/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c


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


This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m
[2023-09-07 10:05:26,594 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-07 10:05:26,657 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2023-09-07 10:05:26,661 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-07 10:05:26,661 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-07 10:05:26,661 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-07 10:05:26,677 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-07 10:05:26,678 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-07 10:05:26,678 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-07 10:05:26,678 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-07 10:05:26,679 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-07 10:05:26,679 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-07 10:05:26,680 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-07 10:05:26,680 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-07 10:05:26,680 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-07 10:05:26,681 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-07 10:05:26,681 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-07 10:05:26,681 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-07 10:05:26,682 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-07 10:05:26,682 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-07 10:05:26,682 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-07 10:05:26,683 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-07 10:05:26,684 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-07 10:05:26,684 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-07 10:05:26,684 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-07 10:05:26,684 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-07 10:05:26,684 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-07 10:05:26,685 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-07 10:05:26,685 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-07 10:05:26,685 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-07 10:05:26,685 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-07 10:05:26,685 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-07 10:05:26,686 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-07 10:05:26,686 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-07 10:05:26,686 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-07 10:05:26,686 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-07 10:05:26,686 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-07 10:05:26,687 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-07 10:05:26,687 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-07 10:05:26,687 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2023-09-07 10:05:26,687 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2023-09-07 10:05:26,912 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-07 10:05:26,934 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-07 10:05:26,936 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-07 10:05:26,937 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-07 10:05:26,938 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-07 10:05:26,939 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c
[2023-09-07 10:05:28,053 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-07 10:05:28,236 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-07 10:05:28,237 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c
[2023-09-07 10:05:28,244 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e88caf5e/31f55061d5d84d75bd3fed98198171f3/FLAGac5741093
[2023-09-07 10:05:28,255 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e88caf5e/31f55061d5d84d75bd3fed98198171f3
[2023-09-07 10:05:28,258 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-07 10:05:28,259 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-07 10:05:28,260 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-07 10:05:28,260 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-07 10:05:28,264 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-07 10:05:28,265 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,266 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef58fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28, skipping insertion in model container
[2023-09-07 10:05:28,266 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,288 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-09-07 10:05:28,436 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413]
[2023-09-07 10:05:28,440 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-07 10:05:28,449 INFO  L202         MainTranslator]: Completed pre-run
[2023-09-07 10:05:28,474 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413]
[2023-09-07 10:05:28,475 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-07 10:05:28,482 WARN  L669               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-09-07 10:05:28,483 WARN  L669               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-09-07 10:05:28,489 INFO  L206         MainTranslator]: Completed translation
[2023-09-07 10:05:28,489 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28 WrapperNode
[2023-09-07 10:05:28,489 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-07 10:05:28,490 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-07 10:05:28,490 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-07 10:05:28,490 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-07 10:05:28,496 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,504 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,529 INFO  L138                Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 288
[2023-09-07 10:05:28,529 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-07 10:05:28,530 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-07 10:05:28,530 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-07 10:05:28,530 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-07 10:05:28,539 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,539 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,543 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,543 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,550 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,552 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,553 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,555 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,557 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-07 10:05:28,558 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-07 10:05:28,558 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-07 10:05:28,558 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-07 10:05:28,559 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (1/1) ...
[2023-09-07 10:05:28,566 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-07 10:05:28,583 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 10:05:28,595 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-09-07 10:05:28,599 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-09-07 10:05:28,624 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-07 10:05:28,624 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-07 10:05:28,624 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-07 10:05:28,624 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-09-07 10:05:28,625 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-09-07 10:05:28,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-09-07 10:05:28,625 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-09-07 10:05:28,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-09-07 10:05:28,625 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2023-09-07 10:05:28,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2023-09-07 10:05:28,625 INFO  L130     BoogieDeclarations]: Found specification of procedure thread4
[2023-09-07 10:05:28,625 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread4
[2023-09-07 10:05:28,626 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-07 10:05:28,626 INFO  L130     BoogieDeclarations]: Found specification of procedure thread5
[2023-09-07 10:05:28,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread5
[2023-09-07 10:05:28,626 INFO  L130     BoogieDeclarations]: Found specification of procedure thread6
[2023-09-07 10:05:28,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread6
[2023-09-07 10:05:28,626 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-09-07 10:05:28,626 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-09-07 10:05:28,626 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-07 10:05:28,626 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-07 10:05:28,627 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-07 10:05:28,628 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-09-07 10:05:28,723 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-07 10:05:28,724 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-07 10:05:28,998 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-07 10:05:29,131 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-07 10:05:29,132 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-09-07 10:05:29,135 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 10:05:29 BoogieIcfgContainer
[2023-09-07 10:05:29,135 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-07 10:05:29,138 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-07 10:05:29,138 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-07 10:05:29,141 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-07 10:05:29,141 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 10:05:28" (1/3) ...
[2023-09-07 10:05:29,142 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ab5642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 10:05:29, skipping insertion in model container
[2023-09-07 10:05:29,142 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:05:28" (2/3) ...
[2023-09-07 10:05:29,142 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ab5642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 10:05:29, skipping insertion in model container
[2023-09-07 10:05:29,143 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 10:05:29" (3/3) ...
[2023-09-07 10:05:29,144 INFO  L112   eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c
[2023-09-07 10:05:29,151 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-07 10:05:29,160 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-07 10:05:29,160 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-09-07 10:05:29,160 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-07 10:05:29,265 INFO  L144    ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions.
[2023-09-07 10:05:29,314 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 10:05:29,315 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-07 10:05:29,315 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 10:05:29,321 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-09-07 10:05:29,328 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-09-07 10:05:29,367 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-09-07 10:05:29,372 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2023-09-07 10:05:29,377 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6c344fb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 10:05:29,378 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-09-07 10:05:29,614 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:05:29,621 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:05:29,621 INFO  L85        PathProgramCache]: Analyzing trace with hash -2434382, now seen corresponding path program 1 times
[2023-09-07 10:05:29,630 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:05:29,630 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552125791]
[2023-09-07 10:05:29,630 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:05:29,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:05:29,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:05:29,974 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:05:29,974 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:05:29,975 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552125791]
[2023-09-07 10:05:29,975 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552125791] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:05:29,975 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:05:29,975 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-09-07 10:05:29,976 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592482982]
[2023-09-07 10:05:29,977 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:05:29,982 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-09-07 10:05:29,983 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:05:30,001 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-09-07 10:05:30,002 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-09-07 10:05:30,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:30,004 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:05:30,005 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 83.5) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:05:30,005 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:30,088 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:30,089 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-09-07 10:05:30,089 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:05:30,089 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:05:30,090 INFO  L85        PathProgramCache]: Analyzing trace with hash -1688779845, now seen corresponding path program 1 times
[2023-09-07 10:05:30,090 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:05:30,090 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599110167]
[2023-09-07 10:05:30,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:05:30,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:05:30,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:05:32,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:05:32,142 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:05:32,143 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599110167]
[2023-09-07 10:05:32,143 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599110167] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:05:32,143 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:05:32,143 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2023-09-07 10:05:32,143 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48527887]
[2023-09-07 10:05:32,143 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:05:32,146 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-09-07 10:05:32,147 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:05:32,150 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-09-07 10:05:32,150 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132
[2023-09-07 10:05:32,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:32,150 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:05:32,151 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 13.75) internal successors, (165), 12 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:05:32,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:32,151 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:46,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:46,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:05:46,035 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-09-07 10:05:46,036 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:05:46,036 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:05:46,036 INFO  L85        PathProgramCache]: Analyzing trace with hash 1463529713, now seen corresponding path program 2 times
[2023-09-07 10:05:46,037 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:05:46,037 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102254998]
[2023-09-07 10:05:46,037 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:05:46,037 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:05:46,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:05:46,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:05:46,429 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:05:46,429 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102254998]
[2023-09-07 10:05:46,430 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102254998] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:05:46,430 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:05:46,430 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-09-07 10:05:46,430 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456634098]
[2023-09-07 10:05:46,431 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:05:46,432 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-09-07 10:05:46,432 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:05:46,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-09-07 10:05:46,435 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2023-09-07 10:05:46,435 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:46,435 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:05:46,435 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:05:46,435 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:46,435 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:05:46,435 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:57,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:57,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:05:57,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:05:57,900 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-09-07 10:05:57,900 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:05:57,901 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:05:57,901 INFO  L85        PathProgramCache]: Analyzing trace with hash 157390975, now seen corresponding path program 3 times
[2023-09-07 10:05:57,901 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:05:57,901 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140111020]
[2023-09-07 10:05:57,901 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:05:57,901 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:05:57,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:05:58,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:05:58,210 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:05:58,213 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140111020]
[2023-09-07 10:05:58,214 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140111020] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:05:58,214 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:05:58,214 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2023-09-07 10:05:58,214 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361603341]
[2023-09-07 10:05:58,215 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:05:58,215 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-09-07 10:05:58,216 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:05:58,217 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-09-07 10:05:58,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-09-07 10:05:58,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:58,220 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:05:58,225 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 20.625) internal successors, (165), 8 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:05:58,225 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:05:58,225 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:05:58,225 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:05:58,225 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:13,424 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:13,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:06:13,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:06:13,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:06:13,425 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-09-07 10:06:13,425 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:06:13,426 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:06:13,426 INFO  L85        PathProgramCache]: Analyzing trace with hash 2042396691, now seen corresponding path program 4 times
[2023-09-07 10:06:13,426 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:06:13,426 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829115072]
[2023-09-07 10:06:13,426 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:06:13,427 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:06:13,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:06:13,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:06:13,731 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:06:13,731 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829115072]
[2023-09-07 10:06:13,731 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829115072] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:06:13,731 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:06:13,731 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2023-09-07 10:06:13,731 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629200367]
[2023-09-07 10:06:13,731 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:06:13,732 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-09-07 10:06:13,733 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:06:13,733 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-09-07 10:06:13,734 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2023-09-07 10:06:13,734 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:13,734 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:06:13,734 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:06:13,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:13,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:06:13,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:06:13,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:06:13,735 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:30,604 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:30,605 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:06:30,605 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:06:30,605 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:06:30,605 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 10:06:30,605 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-09-07 10:06:30,606 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:06:30,606 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:06:30,606 INFO  L85        PathProgramCache]: Analyzing trace with hash 794876395, now seen corresponding path program 5 times
[2023-09-07 10:06:30,606 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:06:30,606 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305650338]
[2023-09-07 10:06:30,606 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:06:30,607 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:06:30,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:06:30,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:06:30,923 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:06:30,923 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305650338]
[2023-09-07 10:06:30,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305650338] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:06:30,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:06:30,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-09-07 10:06:30,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826973147]
[2023-09-07 10:06:30,924 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:06:30,924 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-07 10:06:30,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:06:30,925 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-07 10:06:30,925 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90
[2023-09-07 10:06:30,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:30,925 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:06:30,925 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 16.5) internal successors, (165), 10 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:06:30,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:30,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:06:30,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:06:30,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:06:30,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 10:06:30,926 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:48,099 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:48,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:06:48,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:06:48,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:06:48,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 10:06:48,100 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 10:06:48,100 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-09-07 10:06:48,101 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:06:48,102 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:06:48,102 INFO  L85        PathProgramCache]: Analyzing trace with hash 1368626905, now seen corresponding path program 6 times
[2023-09-07 10:06:48,102 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:06:48,102 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051530136]
[2023-09-07 10:06:48,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:06:48,103 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:06:48,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:06:48,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:06:48,427 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:06:48,431 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051530136]
[2023-09-07 10:06:48,431 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051530136] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:06:48,432 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:06:48,432 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2023-09-07 10:06:48,432 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130584685]
[2023-09-07 10:06:48,432 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:06:48,432 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-09-07 10:06:48,432 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:06:48,433 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-09-07 10:06:48,433 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110
[2023-09-07 10:06:48,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:48,434 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:06:48,434 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:06:48,434 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:06:48,434 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:06:48,434 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:06:48,434 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:06:48,434 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 10:06:48,434 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 10:06:48,435 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:07:06,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:07:06,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:07:06,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:07:06,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:07:06,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 10:07:06,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 10:07:06,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2023-09-07 10:07:06,080 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-09-07 10:07:06,080 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:07:06,080 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:07:06,080 INFO  L85        PathProgramCache]: Analyzing trace with hash -1629985395, now seen corresponding path program 7 times
[2023-09-07 10:07:06,080 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:07:06,080 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359179053]
[2023-09-07 10:07:06,081 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:07:06,081 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:07:06,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:07:06,400 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:07:06,401 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:07:06,402 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359179053]
[2023-09-07 10:07:06,402 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359179053] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:07:06,402 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:07:06,402 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-09-07 10:07:06,402 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144287263]
[2023-09-07 10:07:06,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:07:06,403 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-07 10:07:06,403 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:07:06,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-07 10:07:06,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90
[2023-09-07 10:07:06,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:07:06,404 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:07:06,404 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 16.5) internal successors, (165), 10 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:07:06,404 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:07:06,404 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:07:06,404 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:07:06,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:07:06,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 10:07:06,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 10:07:06,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2023-09-07 10:07:06,405 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:07:24,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:07:24,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:07:24,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:07:24,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:07:24,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 10:07:24,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 10:07:24,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2023-09-07 10:07:24,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 10:07:24,709 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-09-07 10:07:24,710 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 10:07:24,710 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 10:07:24,731 INFO  L85        PathProgramCache]: Analyzing trace with hash -1967791689, now seen corresponding path program 8 times
[2023-09-07 10:07:24,731 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 10:07:24,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851978212]
[2023-09-07 10:07:24,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 10:07:24,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 10:07:24,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 10:07:25,063 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-07 10:07:25,063 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 10:07:25,063 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851978212]
[2023-09-07 10:07:25,063 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851978212] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 10:07:25,064 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 10:07:25,064 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2023-09-07 10:07:25,064 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540501262]
[2023-09-07 10:07:25,064 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 10:07:25,064 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-09-07 10:07:25,064 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 10:07:25,065 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-09-07 10:07:25,065 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2023-09-07 10:07:25,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:07:25,065 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 10:07:25,065 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 13 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-07 10:07:25,065 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 10:07:25,065 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-09-07 10:07:25,066 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-09-07 10:07:25,066 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 10:07:25,066 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 10:07:25,066 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 10:07:25,066 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2023-09-07 10:07:25,066 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-09-07 10:07:25,066 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.