/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 95 --traceabstraction.coinflip.random.seed 0 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-nonatomic.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-06 04:50:19,524 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-06 04:50:19,526 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-10-06 04:50:19,576 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-06 04:50:19,578 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-06 04:50:19,579 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-06 04:50:19,580 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-06 04:50:19,581 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-06 04:50:19,588 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-06 04:50:19,605 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-06 04:50:19,608 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-06 04:50:19,609 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-06 04:50:19,611 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-06 04:50:19,616 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-10-06 04:50:19,617 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-06 04:50:19,618 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2022-10-06 04:50:19,619 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-06 04:50:19,619 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-06 04:50:19,620 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-06 04:50:19,621 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-06 04:50:19,621 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-06 04:50:19,622 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-10-06 04:50:19,623 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2022-10-06 04:50:19,623 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-10-06 04:50:19,624 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-06 04:50:19,625 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf
[2022-10-06 04:50:19,651 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-06 04:50:19,651 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-06 04:50:19,651 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-06 04:50:19,652 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-06 04:50:19,653 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-06 04:50:19,653 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-06 04:50:19,654 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-06 04:50:19,654 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-06 04:50:19,654 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-06 04:50:19,655 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-06 04:50:19,655 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-06 04:50:19,655 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-06 04:50:19,655 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-06 04:50:19,656 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-06 04:50:19,656 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-06 04:50:19,657 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-06 04:50:19,657 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-06 04:50:19,657 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-06 04:50:19,657 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-06 04:50:19,657 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-06 04:50:19,657 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-06 04:50:19,657 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-06 04:50:19,657 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-06 04:50:19,657 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-06 04:50:19,658 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-06 04:50:19,658 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-06 04:50:19,658 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-06 04:50:19,658 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-06 04:50:19,658 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-06 04:50:19,658 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-06 04:50:19,658 INFO  L138        SettingsManager]:  * Number of independence relations to use for POR=2
[2022-10-06 04:50:19,659 INFO  L138        SettingsManager]:  * Independence relation used for POR in concurrent analysis=SYNTACTIC
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 95
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE
[2022-10-06 04:50:19,922 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-06 04:50:19,940 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-06 04:50:19,942 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-06 04:50:19,942 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-06 04:50:19,950 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-06 04:50:19,952 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-nonatomic.bpl
[2022-10-06 04:50:19,952 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-nonatomic.bpl'
[2022-10-06 04:50:19,970 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-06 04:50:19,972 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-06 04:50:19,972 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-06 04:50:19,972 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-06 04:50:19,973 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-06 04:50:19,981 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:19,988 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:19,993 INFO  L138                Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-06 04:50:19,995 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-06 04:50:19,996 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-06 04:50:19,996 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-06 04:50:19,996 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-06 04:50:20,002 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:20,002 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:20,003 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:20,003 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:20,008 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:20,013 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:20,014 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:20,018 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-06 04:50:20,019 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-06 04:50:20,019 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-06 04:50:20,019 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-06 04:50:20,020 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/1) ...
[2022-10-06 04:50:20,025 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-06 04:50:20,030 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-06 04:50:20,043 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)
[2022-10-06 04:50:20,048 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
[2022-10-06 04:50:20,079 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure computeMax given in one single declaration
[2022-10-06 04:50:20,079 INFO  L130     BoogieDeclarations]: Found specification of procedure computeMax
[2022-10-06 04:50:20,080 INFO  L138     BoogieDeclarations]: Found implementation of procedure computeMax
[2022-10-06 04:50:20,081 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-10-06 04:50:20,081 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-06 04:50:20,081 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-06 04:50:20,081 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration
[2022-10-06 04:50:20,082 INFO  L130     BoogieDeclarations]: Found specification of procedure sample
[2022-10-06 04:50:20,082 INFO  L138     BoogieDeclarations]: Found implementation of procedure sample
[2022-10-06 04:50:20,082 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration
[2022-10-06 04:50:20,082 INFO  L130     BoogieDeclarations]: Found specification of procedure mapAbs
[2022-10-06 04:50:20,083 INFO  L138     BoogieDeclarations]: Found implementation of procedure mapAbs
[2022-10-06 04:50:20,084 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure computeMin given in one single declaration
[2022-10-06 04:50:20,084 INFO  L130     BoogieDeclarations]: Found specification of procedure computeMin
[2022-10-06 04:50:20,085 INFO  L138     BoogieDeclarations]: Found implementation of procedure computeMin
[2022-10-06 04:50:20,086 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-06 04:50:20,130 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-06 04:50:20,131 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-06 04:50:20,219 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-06 04:50:20,224 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-06 04:50:20,224 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-10-06 04:50:20,226 INFO  L202        PluginConnector]: Adding new model min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:50:20 BoogieIcfgContainer
[2022-10-06 04:50:20,226 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-06 04:50:20,228 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-06 04:50:20,228 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-06 04:50:20,230 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-06 04:50:20,230 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 04:50:19" (1/2) ...
[2022-10-06 04:50:20,231 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a0be10 and model type min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:50:20, skipping insertion in model container
[2022-10-06 04:50:20,231 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:50:20" (2/2) ...
[2022-10-06 04:50:20,232 INFO  L112   eAbstractionObserver]: Analyzing ICFG min-max-sample-abs-nonatomic.bpl
[2022-10-06 04:50:20,238 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-06 04:50:20,244 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-06 04:50:20,245 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-06 04:50:20,245 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-06 04:50:20,321 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-10-06 04:50:20,366 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-06 04:50:20,366 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-06 04:50:20,366 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-06 04:50:20,368 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)
[2022-10-06 04:50:20,369 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
[2022-10-06 04:50:20,409 INFO  L100   denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-06 04:50:20,435 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations.
[2022-10-06 04:50:20,435 WARN  L162   artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound!
[2022-10-06 04:50:20,436 WARN  L163   artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound.
[2022-10-06 04:50:20,454 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-06 04:50:20,464 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;@214806e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-06 04:50:20,464 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-06 04:50:20,829 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:20,833 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:20,834 INFO  L85        PathProgramCache]: Analyzing trace with hash 1059209764, now seen corresponding path program 1 times
[2022-10-06 04:50:20,840 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:20,840 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965395913]
[2022-10-06 04:50:20,840 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:20,841 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:21,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:21,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 430 backedges. 151 proven. 241 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.
[2022-10-06 04:50:21,346 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:21,346 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965395913]
[2022-10-06 04:50:21,346 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965395913] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:21,346 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:21,347 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13
[2022-10-06 04:50:21,348 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814898110]
[2022-10-06 04:50:21,348 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:21,352 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-10-06 04:50:21,352 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:21,365 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-10-06 04:50:21,367 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2022-10-06 04:50:21,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:21,371 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:21,372 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 13 states have internal predecessors, (95), 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)
[2022-10-06 04:50:21,372 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:21,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:21,844 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-06 04:50:21,845 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:21,845 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:21,845 INFO  L85        PathProgramCache]: Analyzing trace with hash -2037839781, now seen corresponding path program 1 times
[2022-10-06 04:50:21,845 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:21,845 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375664725]
[2022-10-06 04:50:21,846 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:21,846 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:21,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:22,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 640 backedges. 136 proven. 460 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2022-10-06 04:50:22,089 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:22,089 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375664725]
[2022-10-06 04:50:22,090 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375664725] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:22,090 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:22,090 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15
[2022-10-06 04:50:22,090 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870590101]
[2022-10-06 04:50:22,090 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:22,091 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2022-10-06 04:50:22,091 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:22,092 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2022-10-06 04:50:22,092 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2022-10-06 04:50:22,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:22,093 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:22,094 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 7.466666666666667) internal successors, (112), 15 states have internal predecessors, (112), 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)
[2022-10-06 04:50:22,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:22,094 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:22,385 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:22,385 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-10-06 04:50:22,385 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-06 04:50:22,386 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:22,387 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:22,387 INFO  L85        PathProgramCache]: Analyzing trace with hash -69838208, now seen corresponding path program 2 times
[2022-10-06 04:50:22,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:22,388 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681020007]
[2022-10-06 04:50:22,388 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:22,388 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:22,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:22,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 455 backedges. 265 proven. 70 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2022-10-06 04:50:22,566 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:22,566 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681020007]
[2022-10-06 04:50:22,567 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681020007] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:22,567 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:22,567 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11
[2022-10-06 04:50:22,567 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472473609]
[2022-10-06 04:50:22,567 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:22,568 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-10-06 04:50:22,568 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:22,568 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-10-06 04:50:22,569 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2022-10-06 04:50:22,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:22,570 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:22,570 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 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)
[2022-10-06 04:50:22,570 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:22,570 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-10-06 04:50:22,570 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:22,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:22,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-10-06 04:50:22,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:22,798 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-06 04:50:22,798 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:22,799 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:22,802 INFO  L85        PathProgramCache]: Analyzing trace with hash -725062683, now seen corresponding path program 3 times
[2022-10-06 04:50:22,802 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:22,802 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067738156]
[2022-10-06 04:50:22,803 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:22,803 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:22,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:22,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 421 backedges. 74 proven. 133 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked.
[2022-10-06 04:50:22,942 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:22,943 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067738156]
[2022-10-06 04:50:22,943 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067738156] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:22,943 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:22,943 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2022-10-06 04:50:22,943 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685502678]
[2022-10-06 04:50:22,943 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:22,944 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-10-06 04:50:22,944 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:22,944 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-10-06 04:50:22,944 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2022-10-06 04:50:22,944 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:22,945 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:22,945 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 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)
[2022-10-06 04:50:22,945 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:22,945 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-10-06 04:50:22,945 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:22,945 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:23,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:23,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-10-06 04:50:23,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:23,035 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:23,036 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-06 04:50:23,036 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:23,036 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:23,036 INFO  L85        PathProgramCache]: Analyzing trace with hash 498008268, now seen corresponding path program 4 times
[2022-10-06 04:50:23,037 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:23,037 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205511550]
[2022-10-06 04:50:23,037 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:23,037 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:23,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:23,119 INFO  L134       CoverageAnalysis]: Checked inductivity of 337 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2022-10-06 04:50:23,119 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:23,119 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205511550]
[2022-10-06 04:50:23,120 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205511550] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-06 04:50:23,120 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-06 04:50:23,120 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-10-06 04:50:23,120 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478782640]
[2022-10-06 04:50:23,120 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-06 04:50:23,120 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-06 04:50:23,120 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:23,121 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-06 04:50:23,121 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-06 04:50:23,121 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:23,121 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:23,122 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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)
[2022-10-06 04:50:23,122 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:23,122 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-10-06 04:50:23,122 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:23,122 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:23,122 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:23,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:23,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:23,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:23,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:23,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:23,270 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-06 04:50:23,270 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:23,270 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:23,270 INFO  L85        PathProgramCache]: Analyzing trace with hash -1559154730, now seen corresponding path program 1 times
[2022-10-06 04:50:23,270 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:23,270 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468514132]
[2022-10-06 04:50:23,271 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:23,271 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:23,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:23,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 1372 backedges. 307 proven. 792 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked.
[2022-10-06 04:50:23,472 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:23,472 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468514132]
[2022-10-06 04:50:23,473 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468514132] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:23,473 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:23,473 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17
[2022-10-06 04:50:23,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387175427]
[2022-10-06 04:50:23,473 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:23,473 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2022-10-06 04:50:23,473 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:23,474 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2022-10-06 04:50:23,474 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272
[2022-10-06 04:50:23,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:23,474 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:23,474 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 17 states have internal predecessors, (116), 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)
[2022-10-06 04:50:23,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:23,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:23,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:23,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:23,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:23,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:23,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:23,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:23,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:23,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:23,693 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:23,693 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:23,693 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-06 04:50:23,693 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:23,693 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:23,694 INFO  L85        PathProgramCache]: Analyzing trace with hash 1565035532, now seen corresponding path program 2 times
[2022-10-06 04:50:23,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:23,694 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609062440]
[2022-10-06 04:50:23,694 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:23,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:23,716 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:23,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 610 backedges. 200 proven. 322 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked.
[2022-10-06 04:50:23,847 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:23,847 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609062440]
[2022-10-06 04:50:23,847 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609062440] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:23,847 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:23,847 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15
[2022-10-06 04:50:23,847 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909367081]
[2022-10-06 04:50:23,847 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:23,848 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2022-10-06 04:50:23,848 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:23,848 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2022-10-06 04:50:23,848 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210
[2022-10-06 04:50:23,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:23,849 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:23,849 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 15 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)
[2022-10-06 04:50:23,849 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:23,849 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:23,849 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:23,849 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:23,849 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:23,849 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:23,849 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:24,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:24,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:24,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:24,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:24,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:24,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:24,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:24,155 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-06 04:50:24,156 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:24,156 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:24,156 INFO  L85        PathProgramCache]: Analyzing trace with hash 1731893320, now seen corresponding path program 3 times
[2022-10-06 04:50:24,156 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:24,156 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385184102]
[2022-10-06 04:50:24,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:24,156 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:24,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:24,311 INFO  L134       CoverageAnalysis]: Checked inductivity of 694 backedges. 131 proven. 498 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2022-10-06 04:50:24,312 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:24,312 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385184102]
[2022-10-06 04:50:24,312 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385184102] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:24,312 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:24,312 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16
[2022-10-06 04:50:24,312 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218931145]
[2022-10-06 04:50:24,312 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:24,313 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-10-06 04:50:24,313 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:24,313 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-10-06 04:50:24,314 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240
[2022-10-06 04:50:24,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:24,314 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:24,314 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 7.0625) internal successors, (113), 16 states have internal predecessors, (113), 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)
[2022-10-06 04:50:24,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:24,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:24,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:24,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:24,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:24,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:24,314 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:24,315 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:24,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:24,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:24,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:24,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:24,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:24,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:24,580 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:24,581 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-10-06 04:50:24,581 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-10-06 04:50:24,581 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:24,581 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:24,581 INFO  L85        PathProgramCache]: Analyzing trace with hash -436705711, now seen corresponding path program 4 times
[2022-10-06 04:50:24,581 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:24,581 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118367407]
[2022-10-06 04:50:24,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:24,582 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:24,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:24,791 INFO  L134       CoverageAnalysis]: Checked inductivity of 1000 backedges. 445 proven. 466 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2022-10-06 04:50:24,791 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:24,792 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118367407]
[2022-10-06 04:50:24,792 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118367407] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:24,792 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:24,792 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20
[2022-10-06 04:50:24,792 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186872610]
[2022-10-06 04:50:24,792 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:24,792 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2022-10-06 04:50:24,792 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:24,793 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2022-10-06 04:50:24,793 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380
[2022-10-06 04:50:24,793 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:24,793 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:24,794 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 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)
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-10-06 04:50:24,794 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:25,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:25,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:25,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:25,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:25,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:25,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:25,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:25,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-10-06 04:50:25,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:25,243 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-10-06 04:50:25,243 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:25,244 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:25,244 INFO  L85        PathProgramCache]: Analyzing trace with hash 1883751237, now seen corresponding path program 5 times
[2022-10-06 04:50:25,244 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:25,244 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029067854]
[2022-10-06 04:50:25,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:25,244 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:25,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:25,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 1232 backedges. 201 proven. 918 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked.
[2022-10-06 04:50:25,466 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:25,467 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029067854]
[2022-10-06 04:50:25,467 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029067854] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:25,468 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:25,468 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20
[2022-10-06 04:50:25,468 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979428022]
[2022-10-06 04:50:25,468 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:25,468 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2022-10-06 04:50:25,468 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:25,469 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2022-10-06 04:50:25,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380
[2022-10-06 04:50:25,469 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:25,469 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:25,469 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 6.65) internal successors, (133), 20 states have internal predecessors, (133), 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)
[2022-10-06 04:50:25,469 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:25,470 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-10-06 04:50:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:25,861 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-06 04:50:25,861 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-10-06 04:50:25,861 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:25,861 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:25,861 INFO  L85        PathProgramCache]: Analyzing trace with hash 316221262, now seen corresponding path program 6 times
[2022-10-06 04:50:25,862 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:25,862 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655370407]
[2022-10-06 04:50:25,862 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:25,862 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:25,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:26,421 INFO  L134       CoverageAnalysis]: Checked inductivity of 1052 backedges. 432 proven. 27 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked.
[2022-10-06 04:50:26,421 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:26,421 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655370407]
[2022-10-06 04:50:26,422 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655370407] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:26,422 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:26,422 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19
[2022-10-06 04:50:26,422 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628026404]
[2022-10-06 04:50:26,422 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:26,422 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-10-06 04:50:26,422 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:26,423 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-10-06 04:50:26,423 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342
[2022-10-06 04:50:26,423 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:26,424 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:26,424 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 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)
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-06 04:50:26,424 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:26,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:26,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:26,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:26,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:26,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:26,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:26,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:26,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-10-06 04:50:26,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:26,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-06 04:50:26,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:26,821 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-10-06 04:50:26,821 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:26,821 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:26,821 INFO  L85        PathProgramCache]: Analyzing trace with hash 358995013, now seen corresponding path program 7 times
[2022-10-06 04:50:26,821 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:26,822 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744660963]
[2022-10-06 04:50:26,822 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:26,822 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:26,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:27,106 INFO  L134       CoverageAnalysis]: Checked inductivity of 138 backedges. 77 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2022-10-06 04:50:27,107 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:27,107 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744660963]
[2022-10-06 04:50:27,107 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744660963] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:27,107 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:27,107 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14
[2022-10-06 04:50:27,107 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041133388]
[2022-10-06 04:50:27,107 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:27,107 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2022-10-06 04:50:27,108 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:27,108 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2022-10-06 04:50:27,108 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182
[2022-10-06 04:50:27,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:27,108 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:27,108 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 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)
[2022-10-06 04:50:27,108 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:27,109 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-10-06 04:50:27,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:27,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-06 04:50:27,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 04:50:27,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:27,481 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-10-06 04:50:27,481 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:27,481 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:27,482 INFO  L85        PathProgramCache]: Analyzing trace with hash 1078212619, now seen corresponding path program 1 times
[2022-10-06 04:50:27,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:27,483 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153593219]
[2022-10-06 04:50:27,484 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:27,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:27,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:27,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 4483 backedges. 726 proven. 3314 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked.
[2022-10-06 04:50:27,945 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:27,945 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153593219]
[2022-10-06 04:50:27,945 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153593219] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:27,945 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:27,946 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28
[2022-10-06 04:50:27,946 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270103548]
[2022-10-06 04:50:27,946 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:27,946 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2022-10-06 04:50:27,946 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:27,947 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2022-10-06 04:50:27,947 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756
[2022-10-06 04:50:27,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:27,947 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:27,948 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 6.464285714285714) internal successors, (181), 28 states have internal predecessors, (181), 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)
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:27,948 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:28,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:28,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:28,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:28,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-06 04:50:28,338 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:28,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:28,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:28,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-10-06 04:50:28,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:28,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-10-06 04:50:28,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 04:50:28,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:28,339 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-10-06 04:50:28,339 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-10-06 04:50:28,340 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 04:50:28,340 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 04:50:28,340 INFO  L85        PathProgramCache]: Analyzing trace with hash 1389993448, now seen corresponding path program 2 times
[2022-10-06 04:50:28,340 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 04:50:28,340 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041540001]
[2022-10-06 04:50:28,340 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 04:50:28,340 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 04:50:28,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 04:50:29,099 INFO  L134       CoverageAnalysis]: Checked inductivity of 502 backedges. 133 proven. 194 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked.
[2022-10-06 04:50:29,099 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 04:50:29,100 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041540001]
[2022-10-06 04:50:29,100 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041540001] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 04:50:29,100 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 04:50:29,100 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32
[2022-10-06 04:50:29,100 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192882472]
[2022-10-06 04:50:29,100 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 04:50:29,100 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2022-10-06 04:50:29,100 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 04:50:29,101 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2022-10-06 04:50:29,101 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056
[2022-10-06 04:50:29,101 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 04:50:29,102 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 04:50:29,102 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 33 states, 32 states have (on average 2.6875) internal successors, (86), 33 states have internal predecessors, (86), 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)
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-10-06 04:50:29,102 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2022-10-06 04:50:29,103 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2022-10-06 04:50:29,103 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 04:50:29,103 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 04:50:29,103 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-10-06 04:50:29,103 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.