/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-subst.wvr.line896.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m
[2022-10-24 16:25:13,024 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-24 16:25:13,025 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-24 16:25:13,046 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-24 16:25:13,047 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-24 16:25:13,048 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-24 16:25:13,048 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-24 16:25:13,050 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-24 16:25:13,051 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-24 16:25:13,051 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-24 16:25:13,052 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-24 16:25:13,053 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-24 16:25:13,053 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-24 16:25:13,054 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-24 16:25:13,055 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-24 16:25:13,055 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-24 16:25:13,056 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-24 16:25:13,057 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-24 16:25:13,058 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-24 16:25:13,059 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-24 16:25:13,061 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-24 16:25:13,062 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-24 16:25:13,063 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-24 16:25:13,063 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-24 16:25:13,086 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-24 16:25:13,086 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-24 16:25:13,086 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-24 16:25:13,087 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-24 16:25:13,087 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-24 16:25:13,088 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-24 16:25:13,088 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-24 16:25:13,089 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-24 16:25:13,089 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-24 16:25:13,090 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-24 16:25:13,091 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-24 16:25:13,091 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-24 16:25:13,094 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-24 16:25:13,094 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-24 16:25:13,094 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-24 16:25:13,095 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-24 16:25:13,096 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-24 16:25:13,097 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2022-10-24 16:25:13,129 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-24 16:25:13,129 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-24 16:25:13,130 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-24 16:25:13,130 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-24 16:25:13,131 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-24 16:25:13,131 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-24 16:25:13,133 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-24 16:25:13,133 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-24 16:25:13,133 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-24 16:25:13,133 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-24 16:25:13,134 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-24 16:25:13,135 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-24 16:25:13,135 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-24 16:25:13,135 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-24 16:25:13,135 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-24 16:25:13,135 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-24 16:25:13,135 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-24 16:25:13,135 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-24 16:25:13,135 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-24 16:25:13,135 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-24 16:25:13,136 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-24 16:25:13,136 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-24 16:25:13,136 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-24 16:25:13,136 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-24 16:25:13,136 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-24 16:25:13,136 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-24 16:25:13,136 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
[2022-10-24 16:25:13,385 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-24 16:25:13,407 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-24 16:25:13,409 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-24 16:25:13,410 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-24 16:25:13,411 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-24 16:25:13,413 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-subst.wvr.line896.bpl
[2022-10-24 16:25:13,413 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-subst.wvr.line896.bpl'
[2022-10-24 16:25:13,468 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-24 16:25:13,469 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-24 16:25:13,470 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-24 16:25:13,470 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-24 16:25:13,470 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-24 16:25:13,478 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,502 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,513 INFO  L138                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-24 16:25:13,514 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-24 16:25:13,516 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-24 16:25:13,516 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-24 16:25:13,516 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-24 16:25:13,521 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,522 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,538 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,538 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,574 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,581 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,585 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,592 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-24 16:25:13,593 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-24 16:25:13,593 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-24 16:25:13,593 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-24 16:25:13,595 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/1) ...
[2022-10-24 16:25:13,612 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-24 16:25:13,618 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:25:13,629 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)
[2022-10-24 16:25:13,638 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
[2022-10-24 16:25:13,675 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-10-24 16:25:13,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-10-24 16:25:13,675 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-10-24 16:25:13,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-10-24 16:25:13,675 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-24 16:25:13,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-24 16:25:13,676 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-10-24 16:25:13,676 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-10-24 16:25:13,678 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-24 16:25:13,805 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-24 16:25:13,812 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-24 16:25:14,624 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-24 16:25:14,638 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-24 16:25:14,639 INFO  L299             CfgBuilder]: Removed 6 assume(true) statements.
[2022-10-24 16:25:14,641 INFO  L202        PluginConnector]: Adding new model chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:25:14 BoogieIcfgContainer
[2022-10-24 16:25:14,641 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-24 16:25:14,643 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-24 16:25:14,643 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-24 16:25:14,645 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-24 16:25:14,645 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:25:13" (1/2) ...
[2022-10-24 16:25:14,646 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc7028e and model type chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:25:14, skipping insertion in model container
[2022-10-24 16:25:14,646 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-subst.wvr.line896.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:25:14" (2/2) ...
[2022-10-24 16:25:14,647 INFO  L112   eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.line896.bpl
[2022-10-24 16:25:14,652 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-24 16:25:14,658 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-24 16:25:14,658 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-24 16:25:14,658 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-24 16:25:14,805 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-10-24 16:25:14,867 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:14,870 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:25:14,870 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:25:14,872 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)
[2022-10-24 16:25:14,883 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
[2022-10-24 16:25:14,916 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:25:14,933 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-24 16:25:14,938 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;@755f074e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:14,939 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:25:14,995 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-24 16:25:15,000 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-24 16:25:15,002 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/5)
[2022-10-24 16:25:15,019 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:15,019 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:25:15,019 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:25:15,021 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-24 16:25:15,023 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2022-10-24 16:25:15,026 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:25:15,026 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-24 16:25:15,027 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;@755f074e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:15,027 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:25:42,485 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-24 16:25:42,487 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-24 16:25:42,487 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5)
[2022-10-24 16:25:42,497 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:42,498 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:25:42,498 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:25:42,500 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-24 16:25:42,502 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process
[2022-10-24 16:25:42,507 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:25:42,508 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-24 16:25:42,508 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;@755f074e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:42,508 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:25:42,866 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-24 16:25:42,867 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-24 16:25:42,867 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5)
[2022-10-24 16:25:42,876 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:42,877 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:25:42,877 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:25:42,879 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-24 16:25:42,880 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process
[2022-10-24 16:25:42,883 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:25:42,883 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONASSERT ========
[2022-10-24 16:25:42,884 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;@755f074e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:42,884 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:25:42,884 WARN  L124    DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly.
[2022-10-24 16:25:42,884 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-24 16:25:42,885 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-24 16:25:42,885 INFO  L307   ceAbstractionStarter]: Result for error location thread3Err0ASSERT_VIOLATIONASSERT was SAFE (4/5)
[2022-10-24 16:25:42,897 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:42,897 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-24 16:25:42,898 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-24 16:25:42,912 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-24 16:25:42,924 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process
[2022-10-24 16:25:42,926 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-24 16:25:42,926 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONASSERT ========
[2022-10-24 16:25:42,927 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;@755f074e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-24 16:25:42,927 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-24 16:25:42,948 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:25:42,952 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:25:42,952 INFO  L85        PathProgramCache]: Analyzing trace with hash -1011678075, now seen corresponding path program 1 times
[2022-10-24 16:25:42,959 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:25:42,959 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492643203]
[2022-10-24 16:25:42,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:25:42,960 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:25:43,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:25:43,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 16:25:43,161 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:25:43,161 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492643203]
[2022-10-24 16:25:43,162 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492643203] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 16:25:43,162 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 16:25:43,162 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-24 16:25:43,170 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766416324]
[2022-10-24 16:25:43,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 16:25:43,336 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-24 16:25:43,336 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:25:43,381 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-24 16:25:43,383 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-24 16:25:43,385 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:25:43,386 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:25:43,388 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 185.5) internal successors, (371), 2 states have internal predecessors, (371), 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)
[2022-10-24 16:25:43,388 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:26:45,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:26:45,488 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-24 16:26:45,488 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:26:45,489 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:26:45,489 INFO  L85        PathProgramCache]: Analyzing trace with hash 1578448122, now seen corresponding path program 1 times
[2022-10-24 16:26:45,489 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:26:45,489 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689654544]
[2022-10-24 16:26:45,489 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:26:45,490 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:26:45,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:26:45,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-24 16:26:45,860 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:26:45,860 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689654544]
[2022-10-24 16:26:45,860 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689654544] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 16:26:45,860 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 16:26:45,860 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-10-24 16:26:45,860 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804123455]
[2022-10-24 16:26:45,860 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 16:26:45,861 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-10-24 16:26:45,861 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:26:45,862 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-10-24 16:26:45,862 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-10-24 16:26:45,862 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:26:45,864 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:26:45,864 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 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)
[2022-10-24 16:26:45,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:26:45,864 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:27:22,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:27:22,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:27:22,028 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-24 16:27:22,028 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:27:22,029 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:27:22,029 INFO  L85        PathProgramCache]: Analyzing trace with hash 1885924946, now seen corresponding path program 1 times
[2022-10-24 16:27:22,029 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:27:22,029 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222935324]
[2022-10-24 16:27:22,030 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:27:22,030 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:27:22,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:27:22,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-10-24 16:27:22,192 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:27:22,192 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222935324]
[2022-10-24 16:27:22,192 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222935324] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-24 16:27:22,192 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-24 16:27:22,192 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2022-10-24 16:27:22,193 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982708035]
[2022-10-24 16:27:22,193 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-24 16:27:22,193 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-10-24 16:27:22,193 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:27:22,194 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-10-24 16:27:22,194 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2022-10-24 16:27:22,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:27:22,194 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:27:22,195 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 57.42857142857143) internal successors, (402), 7 states have internal predecessors, (402), 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)
[2022-10-24 16:27:22,195 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:27:22,195 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:27:22,195 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:28:05,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:28:05,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:28:05,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-24 16:28:05,755 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-24 16:28:05,755 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:28:05,755 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:28:05,755 INFO  L85        PathProgramCache]: Analyzing trace with hash 909452602, now seen corresponding path program 2 times
[2022-10-24 16:28:05,756 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:28:05,756 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221404731]
[2022-10-24 16:28:05,756 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:28:05,756 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:28:05,837 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:28:05,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2022-10-24 16:28:05,950 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:28:05,950 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221404731]
[2022-10-24 16:28:05,950 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221404731] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-24 16:28:05,951 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-24 16:28:05,951 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2022-10-24 16:28:05,951 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939726615]
[2022-10-24 16:28:05,951 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-24 16:28:05,951 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-10-24 16:28:05,951 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:28:05,952 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-10-24 16:28:05,952 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2022-10-24 16:28:05,952 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:28:05,952 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:28:05,952 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 46.111111111111114) internal successors, (415), 9 states have internal predecessors, (415), 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)
[2022-10-24 16:28:05,953 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:28:05,953 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:28:05,953 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-24 16:28:05,953 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:28:45,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:28:45,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:28:45,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-24 16:28:45,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-24 16:28:45,281 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-24 16:28:45,281 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:28:45,281 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:28:45,281 INFO  L85        PathProgramCache]: Analyzing trace with hash -180224238, now seen corresponding path program 3 times
[2022-10-24 16:28:45,282 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:28:45,282 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149293320]
[2022-10-24 16:28:45,282 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:28:45,284 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:28:45,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:28:45,886 INFO  L134       CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2022-10-24 16:28:45,886 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:28:45,886 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149293320]
[2022-10-24 16:28:45,886 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149293320] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-24 16:28:45,886 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-24 16:28:45,886 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11
[2022-10-24 16:28:45,886 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239791604]
[2022-10-24 16:28:45,886 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-24 16:28:45,887 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-10-24 16:28:45,887 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:28:45,888 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-10-24 16:28:45,889 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2022-10-24 16:28:45,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:28:45,889 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:28:45,889 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 38.90909090909091) internal successors, (428), 11 states have internal predecessors, (428), 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)
[2022-10-24 16:28:45,889 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:28:45,889 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:28:45,889 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-24 16:28:45,889 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-24 16:28:45,890 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:29:29,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:29:29,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:29:29,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-24 16:29:29,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-24 16:29:29,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-24 16:29:29,925 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-24 16:29:29,926 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:29:29,926 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:29:29,926 INFO  L85        PathProgramCache]: Analyzing trace with hash 2019186042, now seen corresponding path program 4 times
[2022-10-24 16:29:29,927 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:29:29,938 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789004276]
[2022-10-24 16:29:29,941 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:29:29,942 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:29:30,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:29:30,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked.
[2022-10-24 16:29:30,154 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:29:30,154 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789004276]
[2022-10-24 16:29:30,154 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789004276] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-24 16:29:30,154 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-24 16:29:30,154 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13
[2022-10-24 16:29:30,155 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766900497]
[2022-10-24 16:29:30,155 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-24 16:29:30,155 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-10-24 16:29:30,155 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:29:30,155 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-10-24 16:29:30,157 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156
[2022-10-24 16:29:30,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:29:30,157 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:29:30,157 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 33.92307692307692) internal successors, (441), 13 states have internal predecessors, (441), 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)
[2022-10-24 16:29:30,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:29:30,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:29:30,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-24 16:29:30,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-24 16:29:30,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-24 16:29:30,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:30:09,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:30:09,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:30:09,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-10-24 16:30:09,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-24 16:30:09,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-24 16:30:09,069 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-24 16:30:09,069 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-24 16:30:09,074 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-24 16:30:09,074 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-24 16:30:09,075 INFO  L85        PathProgramCache]: Analyzing trace with hash -26128430, now seen corresponding path program 5 times
[2022-10-24 16:30:09,077 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-24 16:30:09,078 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388760933]
[2022-10-24 16:30:09,078 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-24 16:30:09,078 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-24 16:30:09,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-24 16:30:09,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked.
[2022-10-24 16:30:09,273 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-24 16:30:09,273 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388760933]
[2022-10-24 16:30:09,273 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388760933] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-24 16:30:09,274 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-24 16:30:09,274 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-10-24 16:30:09,274 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496778972]
[2022-10-24 16:30:09,274 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-24 16:30:09,274 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-10-24 16:30:09,274 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-24 16:30:09,275 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-10-24 16:30:09,275 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-10-24 16:30:09,275 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:30:09,275 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-24 16:30:09,275 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 57.42857142857143) internal successors, (402), 7 states have internal predecessors, (402), 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)
[2022-10-24 16:30:09,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-24 16:30:09,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-10-24 16:30:09,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-10-24 16:30:09,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-24 16:30:09,276 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-24 16:30:09,276 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-24 16:30:09,276 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.