/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 --traceabstraction.number.of.independence.relations.to.use.for.por 2 --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL '--traceabstraction.abstraction.used.for.commutativity.in.por.#2' NONE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix044.opt.i


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


This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m
[2023-09-07 15:28:32,130 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-07 15:28:32,220 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2023-09-07 15:28:32,228 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-07 15:28:32,228 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-07 15:28:32,229 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-07 15:28:32,257 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-07 15:28:32,258 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-07 15:28:32,258 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-07 15:28:32,263 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-07 15:28:32,263 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-07 15:28:32,263 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-07 15:28:32,264 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-07 15:28:32,265 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-07 15:28:32,265 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-07 15:28:32,266 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-07 15:28:32,266 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-07 15:28:32,266 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-07 15:28:32,266 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-07 15:28:32,266 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-07 15:28:32,267 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-07 15:28:32,267 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-07 15:28:32,268 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-07 15:28:32,268 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-07 15:28:32,269 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-07 15:28:32,269 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-07 15:28:32,269 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-07 15:28:32,270 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-07 15:28:32,270 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-07 15:28:32,270 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-07 15:28:32,271 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-07 15:28:32,271 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-07 15:28:32,271 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-07 15:28:32,272 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-07 15:28:32,272 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-07 15:28:32,272 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-07 15:28:32,272 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-07 15:28:32,272 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-07 15:28:32,272 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-07 15:28:32,273 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2023-09-07 15:28:32,273 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Number of independence relations to use for POR -> 2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR #2 -> NONE
[2023-09-07 15:28:32,510 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-07 15:28:32,526 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-07 15:28:32,528 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-07 15:28:32,529 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-07 15:28:32,529 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-07 15:28:32,530 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix044.opt.i
[2023-09-07 15:28:33,821 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-07 15:28:34,065 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-07 15:28:34,066 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i
[2023-09-07 15:28:34,081 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274cd5369/9a09543a43304406b12325728f827bae/FLAGe62fe380a
[2023-09-07 15:28:34,093 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/274cd5369/9a09543a43304406b12325728f827bae
[2023-09-07 15:28:34,095 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-07 15:28:34,097 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-07 15:28:34,098 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-07 15:28:34,098 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-07 15:28:34,106 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-07 15:28:34,107 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,108 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70fecbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34, skipping insertion in model container
[2023-09-07 15:28:34,108 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,170 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-09-07 15:28:34,328 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i[944,957]
[2023-09-07 15:28:34,528 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-07 15:28:34,537 INFO  L202         MainTranslator]: Completed pre-run
[2023-09-07 15:28:34,549 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix044.opt.i[944,957]
[2023-09-07 15:28:34,556 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267]
[2023-09-07 15:28:34,558 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267]
[2023-09-07 15:28:34,597 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-07 15:28:34,632 WARN  L669               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-09-07 15:28:34,632 WARN  L669               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-09-07 15:28:34,637 INFO  L206         MainTranslator]: Completed translation
[2023-09-07 15:28:34,637 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34 WrapperNode
[2023-09-07 15:28:34,637 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-07 15:28:34,638 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-07 15:28:34,638 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-07 15:28:34,638 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-07 15:28:34,645 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,671 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,700 INFO  L138                Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 168
[2023-09-07 15:28:34,701 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-07 15:28:34,708 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-07 15:28:34,708 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-07 15:28:34,708 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-07 15:28:34,716 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,716 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,732 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,734 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,742 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,743 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,746 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,747 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,750 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-07 15:28:34,751 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-07 15:28:34,751 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-07 15:28:34,751 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-07 15:28:34,752 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (1/1) ...
[2023-09-07 15:28:34,757 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-07 15:28:34,777 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 15:28:34,821 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 15:28:34,833 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 15:28:34,859 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-07 15:28:34,859 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-09-07 15:28:34,859 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-07 15:28:34,859 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-07 15:28:34,859 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-07 15:28:34,859 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2023-09-07 15:28:34,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2023-09-07 15:28:34,860 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2023-09-07 15:28:34,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2023-09-07 15:28:34,860 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2023-09-07 15:28:34,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2023-09-07 15:28:34,860 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2023-09-07 15:28:34,860 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2023-09-07 15:28:34,860 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-07 15:28:34,861 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-09-07 15:28:34,861 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-07 15:28:34,861 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-07 15:28:34,862 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 15:28:35,037 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-07 15:28:35,041 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-07 15:28:35,401 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-07 15:28:35,503 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-07 15:28:35,503 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-09-07 15:28:35,505 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 03:28:35 BoogieIcfgContainer
[2023-09-07 15:28:35,505 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-07 15:28:35,507 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-07 15:28:35,507 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-07 15:28:35,511 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-07 15:28:35,512 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 03:28:34" (1/3) ...
[2023-09-07 15:28:35,513 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8c2c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 03:28:35, skipping insertion in model container
[2023-09-07 15:28:35,513 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 03:28:34" (2/3) ...
[2023-09-07 15:28:35,513 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8c2c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 03:28:35, skipping insertion in model container
[2023-09-07 15:28:35,513 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 03:28:35" (3/3) ...
[2023-09-07 15:28:35,514 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix044.opt.i
[2023-09-07 15:28:35,521 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-07 15:28:35,529 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-07 15:28:35,529 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-09-07 15:28:35,529 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-07 15:28:35,590 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-09-07 15:28:35,629 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 15:28:35,630 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-07 15:28:35,630 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 15:28:35,633 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 15:28:35,659 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 15:28:35,677 INFO  L103   denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 15:28:35,689 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations.
[2023-09-07 15:28:35,689 WARN  L169   artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound!
[2023-09-07 15:28:35,689 WARN  L170   artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound.
[2023-09-07 15:28:35,721 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P3Err0ASSERT_VIOLATIONERROR_FUNCTION ========
[2023-09-07 15:28:35,726 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;@2ab4b16d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 15:28:35,726 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-09-07 15:28:35,730 WARN  L125    DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly.
[2023-09-07 15:28:35,732 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-09-07 15:28:35,743 INFO  L445         BasicCegarLoop]: Path program histogram: []
[2023-09-07 15:28:35,744 INFO  L307   ceAbstractionStarter]: Result for error location P3Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/7)
[2023-09-07 15:28:35,763 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 15:28:35,763 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-07 15:28:35,764 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-07 15:28:35,769 INFO  L229       MonitoredProcess]: Starting monitored process 3 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 15:28:35,778 INFO  L103   denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 15:28:35,779 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations.
[2023-09-07 15:28:35,779 WARN  L169   artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound!
[2023-09-07 15:28:35,779 WARN  L170   artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound.
[2023-09-07 15:28:35,780 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2023-09-07 15:28:35,780 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;@2ab4b16d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-07 15:28:35,780 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-09-07 15:28:35,782 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2023-09-07 15:28:37,267 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:28:37,271 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:28:37,273 INFO  L85        PathProgramCache]: Analyzing trace with hash 1972778298, now seen corresponding path program 1 times
[2023-09-07 15:28:37,283 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:28:37,284 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190155101]
[2023-09-07 15:28:37,284 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:28:37,284 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:28:37,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:28:37,589 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 15:28:37,589 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:28:37,590 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190155101]
[2023-09-07 15:28:37,590 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190155101] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:28:37,591 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:28:37,591 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-09-07 15:28:37,592 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816792631]
[2023-09-07 15:28:37,593 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:28:37,598 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-09-07 15:28:37,598 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:28:37,620 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-09-07 15:28:37,623 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-09-07 15:28:37,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:37,626 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:28:37,628 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 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 15:28:37,629 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:38,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:38,403 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-09-07 15:28:38,403 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:28:38,404 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:28:38,404 INFO  L85        PathProgramCache]: Analyzing trace with hash -512292337, now seen corresponding path program 1 times
[2023-09-07 15:28:38,404 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:28:38,404 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028586044]
[2023-09-07 15:28:38,404 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:28:38,404 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:28:38,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:28:38,991 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 15:28:38,991 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:28:38,992 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028586044]
[2023-09-07 15:28:38,992 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028586044] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:28:38,992 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:28:38,992 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-09-07 15:28:38,992 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790240927]
[2023-09-07 15:28:38,993 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:28:38,994 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-09-07 15:28:38,994 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:28:38,995 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-09-07 15:28:38,995 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-09-07 15:28:38,996 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:38,996 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:28:38,997 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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 15:28:38,997 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:38,997 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:42,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:42,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:42,692 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-09-07 15:28:42,692 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:28:42,693 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:28:42,693 INFO  L85        PathProgramCache]: Analyzing trace with hash -532270829, now seen corresponding path program 1 times
[2023-09-07 15:28:42,693 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:28:42,693 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069450023]
[2023-09-07 15:28:42,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:28:42,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:28:42,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:28:43,741 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 15:28:43,742 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:28:43,742 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069450023]
[2023-09-07 15:28:43,742 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069450023] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:28:43,742 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:28:43,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-09-07 15:28:43,742 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977905572]
[2023-09-07 15:28:43,743 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:28:43,743 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-09-07 15:28:43,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:28:43,744 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-09-07 15:28:43,744 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2023-09-07 15:28:43,745 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:43,745 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:28:43,745 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 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 15:28:43,745 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:43,745 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:43,746 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:48,583 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:48,583 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:48,584 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:28:48,584 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-09-07 15:28:48,584 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:28:48,585 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:28:48,586 INFO  L85        PathProgramCache]: Analyzing trace with hash -2143168865, now seen corresponding path program 1 times
[2023-09-07 15:28:48,586 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:28:48,586 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643161753]
[2023-09-07 15:28:48,586 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:28:48,586 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:28:48,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:28:49,715 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 15:28:49,716 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:28:49,716 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643161753]
[2023-09-07 15:28:49,716 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643161753] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:28:49,716 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:28:49,716 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2023-09-07 15:28:49,716 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649044955]
[2023-09-07 15:28:49,717 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:28:49,717 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-09-07 15:28:49,717 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:28:49,718 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-09-07 15:28:49,718 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2023-09-07 15:28:49,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:49,719 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:28:49,719 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 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 15:28:49,719 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:49,719 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:49,719 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:28:49,720 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:52,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:52,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:52,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:28:52,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:28:52,490 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-09-07 15:28:52,490 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:28:52,490 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:28:52,491 INFO  L85        PathProgramCache]: Analyzing trace with hash 1333668192, now seen corresponding path program 1 times
[2023-09-07 15:28:52,491 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:28:52,491 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479289240]
[2023-09-07 15:28:52,491 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:28:52,491 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:28:52,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:28:52,745 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 15:28:52,746 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:28:52,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479289240]
[2023-09-07 15:28:52,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479289240] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:28:52,746 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:28:52,746 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-09-07 15:28:52,746 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163320201]
[2023-09-07 15:28:52,746 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:28:52,747 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-09-07 15:28:52,747 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:28:52,748 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-09-07 15:28:52,748 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-09-07 15:28:52,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:52,748 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:28:52,749 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 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 15:28:52,749 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:52,749 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:52,749 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:28:52,749 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:28:52,749 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:55,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:55,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:55,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:28:55,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:28:55,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-09-07 15:28:55,482 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-09-07 15:28:55,483 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:28:55,483 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:28:55,483 INFO  L85        PathProgramCache]: Analyzing trace with hash -776258017, now seen corresponding path program 2 times
[2023-09-07 15:28:55,483 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:28:55,483 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456925719]
[2023-09-07 15:28:55,484 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:28:55,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:28:55,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:28:56,514 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 15:28:56,514 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:28:56,514 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456925719]
[2023-09-07 15:28:56,514 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456925719] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:28:56,514 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:28:56,514 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2023-09-07 15:28:56,515 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391509206]
[2023-09-07 15:28:56,515 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:28:56,515 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-09-07 15:28:56,515 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:28:56,516 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-09-07 15:28:56,516 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2023-09-07 15:28:56,516 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:56,516 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:28:56,517 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 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 15:28:56,517 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:56,517 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:56,517 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:28:56,517 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:28:56,517 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-09-07 15:28:56,517 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:59,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:28:59,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:28:59,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:28:59,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:28:59,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-09-07 15:28:59,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2023-09-07 15:28:59,633 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-09-07 15:28:59,633 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:28:59,634 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:28:59,634 INFO  L85        PathProgramCache]: Analyzing trace with hash 2143317049, now seen corresponding path program 1 times
[2023-09-07 15:28:59,634 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:28:59,634 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524384865]
[2023-09-07 15:28:59,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:28:59,635 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:28:59,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:29:00,302 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 15:29:00,303 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:29:00,303 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524384865]
[2023-09-07 15:29:00,303 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524384865] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:29:00,303 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:29:00,303 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-09-07 15:29:00,304 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733887740]
[2023-09-07 15:29:00,304 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:29:00,304 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-07 15:29:00,304 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:29:00,305 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-07 15:29:00,305 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2023-09-07 15:29:00,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:00,306 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:29:00,306 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 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 15:29:00,306 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:00,306 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:29:00,306 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:29:00,306 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:29:00,306 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-09-07 15:29:00,306 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2023-09-07 15:29:00,307 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:12,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:12,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:29:12,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:29:12,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:29:12,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-09-07 15:29:12,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2023-09-07 15:29:12,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-09-07 15:29:12,103 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-09-07 15:29:12,104 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:29:12,104 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:29:12,104 INFO  L85        PathProgramCache]: Analyzing trace with hash -1666688174, now seen corresponding path program 2 times
[2023-09-07 15:29:12,104 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:29:12,105 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032232719]
[2023-09-07 15:29:12,105 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:29:12,105 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:29:12,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:29:13,091 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 15:29:13,091 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:29:13,091 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032232719]
[2023-09-07 15:29:13,091 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032232719] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:29:13,091 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:29:13,091 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-09-07 15:29:13,092 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763454284]
[2023-09-07 15:29:13,092 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:29:13,092 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-09-07 15:29:13,092 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:29:13,093 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-09-07 15:29:13,093 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2023-09-07 15:29:13,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:13,093 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:29:13,093 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 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 15:29:13,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:13,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:29:13,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:29:13,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:29:13,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-09-07 15:29:13,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2023-09-07 15:29:13,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2023-09-07 15:29:13,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:33,801 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:33,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:29:33,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:29:33,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:29:33,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-09-07 15:29:33,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2023-09-07 15:29:33,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-09-07 15:29:33,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 15:29:33,803 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-09-07 15:29:33,803 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-07 15:29:33,803 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-07 15:29:33,803 INFO  L85        PathProgramCache]: Analyzing trace with hash 886598420, now seen corresponding path program 1 times
[2023-09-07 15:29:33,803 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-07 15:29:33,803 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952921719]
[2023-09-07 15:29:33,803 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-07 15:29:33,803 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-07 15:29:33,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-07 15:29:34,070 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 15:29:34,070 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-07 15:29:34,070 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952921719]
[2023-09-07 15:29:34,071 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952921719] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-07 15:29:34,071 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-09-07 15:29:34,071 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-09-07 15:29:34,071 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309774308]
[2023-09-07 15:29:34,071 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-07 15:29:34,071 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-09-07 15:29:34,071 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-07 15:29:34,072 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-09-07 15:29:34,072 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-09-07 15:29:34,072 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:34,073 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-07 15:29:34,073 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 15:29:34,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-09-07 15:29:34,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-07 15:29:34,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2023-09-07 15:29:34,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2023-09-07 15:29:34,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-09-07 15:29:34,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2023-09-07 15:29:34,074 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2023-09-07 15:29:34,074 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2023-09-07 15:29:34,074 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.