/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 20 --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 02:47:05,202 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-06 02:47:05,204 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-06 02:47:05,235 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-06 02:47:05,235 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-06 02:47:05,240 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-06 02:47:05,243 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-06 02:47:05,248 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-06 02:47:05,250 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-06 02:47:05,251 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-06 02:47:05,252 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-06 02:47:05,253 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-06 02:47:05,254 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-06 02:47:05,260 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-06 02:47:05,261 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-06 02:47:05,266 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-06 02:47:05,267 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-06 02:47:05,267 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-06 02:47:05,269 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-06 02:47:05,270 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-06 02:47:05,271 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-06 02:47:05,275 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-06 02:47:05,275 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-06 02:47:05,276 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-06 02:47:05,279 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-06 02:47:05,279 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-06 02:47:05,279 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-06 02:47:05,280 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-06 02:47:05,280 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-06 02:47:05,281 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-06 02:47:05,282 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-06 02:47:05,282 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-06 02:47:05,283 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-06 02:47:05,283 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-06 02:47:05,284 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-06 02:47:05,284 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-06 02:47:05,285 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-06 02:47:05,285 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-06 02:47:05,286 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-06 02:47:05,286 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-06 02:47:05,297 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-06 02:47:05,298 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 02:47:05,323 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-06 02:47:05,323 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-06 02:47:05,323 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-06 02:47:05,324 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-06 02:47:05,325 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-06 02:47:05,325 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-06 02:47:05,327 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-06 02:47:05,327 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-06 02:47:05,327 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-06 02:47:05,327 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-06 02:47:05,328 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-06 02:47:05,328 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-06 02:47:05,329 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-06 02:47:05,329 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-06 02:47:05,329 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-06 02:47:05,329 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-06 02:47:05,329 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-06 02:47:05,329 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-06 02:47:05,329 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-06 02:47:05,329 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-06 02:47:05,330 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-06 02:47:05,330 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-06 02:47:05,330 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-06 02:47:05,330 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-06 02:47:05,330 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-06 02:47:05,330 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-06 02:47:05,331 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-06 02:47:05,331 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-06 02:47:05,331 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-06 02:47:05,331 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-06 02:47:05,331 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-06 02:47:05,331 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-06 02:47:05,332 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-06 02:47:05,332 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-06 02:47:05,332 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-06 02:47:05,332 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-06 02:47:05,332 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-06 02:47:05,333 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-06 02:47:05,333 INFO  L138        SettingsManager]:  * Number of independence relations to use for POR=2
[2022-10-06 02:47:05,333 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE
[2022-10-06 02:47:05,669 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-06 02:47:05,696 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-06 02:47:05,699 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-06 02:47:05,700 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-06 02:47:05,703 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-06 02:47:05,707 INFO  L432   ainManager$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 02:47:05,707 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 02:47:05,737 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-06 02:47:05,738 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-10-06 02:47:05,739 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-06 02:47:05,740 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-06 02:47:05,740 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-06 02:47:05,752 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,760 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,767 INFO  L138                Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-10-06 02:47:05,769 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-06 02:47:05,771 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-06 02:47:05,771 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-06 02:47:05,771 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-06 02:47:05,779 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,779 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,782 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,782 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,785 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,788 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,789 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,790 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-06 02:47:05,791 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-06 02:47:05,791 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-06 02:47:05,791 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-06 02:47:05,795 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 02:47:05" (1/1) ...
[2022-10-06 02:47:05,800 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-06 02:47:05,807 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-06 02:47:05,821 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-06 02:47:05,847 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 02:47:05,869 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure computeMax given in one single declaration
[2022-10-06 02:47:05,869 INFO  L130     BoogieDeclarations]: Found specification of procedure computeMax
[2022-10-06 02:47:05,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure computeMax
[2022-10-06 02:47:05,869 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-10-06 02:47:05,869 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-06 02:47:05,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-06 02:47:05,870 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration
[2022-10-06 02:47:05,870 INFO  L130     BoogieDeclarations]: Found specification of procedure sample
[2022-10-06 02:47:05,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure sample
[2022-10-06 02:47:05,872 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration
[2022-10-06 02:47:05,872 INFO  L130     BoogieDeclarations]: Found specification of procedure mapAbs
[2022-10-06 02:47:05,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure mapAbs
[2022-10-06 02:47:05,874 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure computeMin given in one single declaration
[2022-10-06 02:47:05,874 INFO  L130     BoogieDeclarations]: Found specification of procedure computeMin
[2022-10-06 02:47:05,874 INFO  L138     BoogieDeclarations]: Found implementation of procedure computeMin
[2022-10-06 02:47:05,875 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 02:47:05,919 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-06 02:47:05,921 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-06 02:47:06,078 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-06 02:47:06,087 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-06 02:47:06,087 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2022-10-06 02:47:06,089 INFO  L202        PluginConnector]: Adding new model min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 02:47:06 BoogieIcfgContainer
[2022-10-06 02:47:06,089 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-06 02:47:06,091 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-06 02:47:06,091 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-06 02:47:06,094 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-06 02:47:06,094 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 02:47:05" (1/2) ...
[2022-10-06 02:47:06,095 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 02:47:06, skipping insertion in model container
[2022-10-06 02:47:06,095 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 02:47:06" (2/2) ...
[2022-10-06 02:47:06,097 INFO  L112   eAbstractionObserver]: Analyzing ICFG min-max-sample-abs-nonatomic.bpl
[2022-10-06 02:47:06,113 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-06 02:47:06,122 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-06 02:47:06,122 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-06 02:47:06,122 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-06 02:47:06,215 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-10-06 02:47:06,276 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-06 02:47:06,277 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-06 02:47:06,277 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-06 02:47:06,283 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 02:47:06,327 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 02:47:06,340 INFO  L100   denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-06 02:47:06,382 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations.
[2022-10-06 02:47:06,382 WARN  L162   artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound!
[2022-10-06 02:47:06,382 WARN  L163   artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound.
[2022-10-06 02:47:06,390 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ========
[2022-10-06 02:47:06,421 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 02:47:06,422 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-06 02:47:07,400 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 02:47:07,407 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 02:47:07,407 INFO  L85        PathProgramCache]: Analyzing trace with hash -300974843, now seen corresponding path program 1 times
[2022-10-06 02:47:07,416 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 02:47:07,417 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831430366]
[2022-10-06 02:47:07,417 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 02:47:07,418 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 02:47:07,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 02:47:07,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 39 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-10-06 02:47:07,693 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 02:47:07,693 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831430366]
[2022-10-06 02:47:07,694 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831430366] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 02:47:07,695 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 02:47:07,695 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2022-10-06 02:47:07,698 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730376233]
[2022-10-06 02:47:07,698 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 02:47:07,726 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-10-06 02:47:07,727 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 02:47:07,787 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-10-06 02:47:07,793 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2022-10-06 02:47:07,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:07,801 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 02:47:07,804 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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 02:47:07,804 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:09,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:09,295 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-06 02:47:09,296 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 02:47:09,296 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 02:47:09,296 INFO  L85        PathProgramCache]: Analyzing trace with hash -1390767354, now seen corresponding path program 2 times
[2022-10-06 02:47:09,297 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 02:47:09,297 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240203336]
[2022-10-06 02:47:09,297 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 02:47:09,297 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 02:47:09,326 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 02:47:09,382 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-10-06 02:47:09,383 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 02:47:09,383 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240203336]
[2022-10-06 02:47:09,383 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240203336] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 02:47:09,383 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 02:47:09,383 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2022-10-06 02:47:09,383 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181688578]
[2022-10-06 02:47:09,384 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 02:47:09,385 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-10-06 02:47:09,385 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 02:47:09,386 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-10-06 02:47:09,386 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2022-10-06 02:47:09,386 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:09,388 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 02:47:09,389 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 02:47:09,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:09,389 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:10,931 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:10,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:47:10,932 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-06 02:47:10,932 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 02:47:10,933 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 02:47:10,933 INFO  L85        PathProgramCache]: Analyzing trace with hash -17846467, now seen corresponding path program 3 times
[2022-10-06 02:47:10,933 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 02:47:10,933 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981567070]
[2022-10-06 02:47:10,933 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 02:47:10,934 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 02:47:10,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 02:47:11,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2022-10-06 02:47:11,028 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 02:47:11,028 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981567070]
[2022-10-06 02:47:11,028 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981567070] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 02:47:11,028 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 02:47:11,028 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2022-10-06 02:47:11,029 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825166360]
[2022-10-06 02:47:11,029 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 02:47:11,029 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-10-06 02:47:11,029 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 02:47:11,030 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-10-06 02:47:11,030 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2022-10-06 02:47:11,030 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:11,031 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 02:47:11,031 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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 02:47:11,031 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:11,031 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:47:11,031 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:13,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:13,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:47:13,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:47:13,876 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-10-06 02:47:13,876 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 02:47:13,877 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 02:47:13,877 INFO  L85        PathProgramCache]: Analyzing trace with hash 761043016, now seen corresponding path program 4 times
[2022-10-06 02:47:13,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 02:47:13,877 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285426537]
[2022-10-06 02:47:13,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 02:47:13,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 02:47:13,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 02:47:14,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-06 02:47:14,243 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 02:47:14,244 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285426537]
[2022-10-06 02:47:14,244 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285426537] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 02:47:14,244 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 02:47:14,244 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14
[2022-10-06 02:47:14,244 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99953658]
[2022-10-06 02:47:14,245 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 02:47:14,245 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2022-10-06 02:47:14,245 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 02:47:14,246 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2022-10-06 02:47:14,246 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210
[2022-10-06 02:47:14,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:14,247 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 02:47:14,247 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 15 states have internal predecessors, (43), 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 02:47:14,247 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:14,247 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:47:14,247 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:47:14,248 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:28,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:28,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:47:28,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:47:28,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-10-06 02:47:28,156 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-10-06 02:47:28,156 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 02:47:28,156 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 02:47:28,156 INFO  L85        PathProgramCache]: Analyzing trace with hash -2083227582, now seen corresponding path program 5 times
[2022-10-06 02:47:28,157 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 02:47:28,157 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802465229]
[2022-10-06 02:47:28,157 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 02:47:28,157 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 02:47:28,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 02:47:28,297 INFO  L134       CoverageAnalysis]: Checked inductivity of 224 backedges. 59 proven. 35 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked.
[2022-10-06 02:47:28,297 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 02:47:28,297 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802465229]
[2022-10-06 02:47:28,297 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802465229] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 02:47:28,298 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 02:47:28,298 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2022-10-06 02:47:28,298 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885495365]
[2022-10-06 02:47:28,298 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 02:47:28,298 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-10-06 02:47:28,299 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 02:47:28,299 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-10-06 02:47:28,299 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2022-10-06 02:47:28,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:28,300 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 02:47:28,300 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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 02:47:28,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:28,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:47:28,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:47:28,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-10-06 02:47:28,301 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:43,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:43,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:47:43,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:47:43,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-10-06 02:47:43,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 02:47:43,102 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-10-06 02:47:43,103 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 02:47:43,103 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 02:47:43,103 INFO  L85        PathProgramCache]: Analyzing trace with hash 1748127378, now seen corresponding path program 6 times
[2022-10-06 02:47:43,103 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 02:47:43,104 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720759213]
[2022-10-06 02:47:43,104 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 02:47:43,104 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 02:47:43,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 02:47:43,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 336 backedges. 186 proven. 84 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.
[2022-10-06 02:47:43,313 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 02:47:43,313 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720759213]
[2022-10-06 02:47:43,313 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720759213] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 02:47:43,314 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 02:47:43,314 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2022-10-06 02:47:43,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260729741]
[2022-10-06 02:47:43,314 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 02:47:43,316 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-10-06 02:47:43,316 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 02:47:43,317 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-10-06 02:47:43,317 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2022-10-06 02:47:43,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:47:43,318 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 02:47:43,318 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 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 02:47:43,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:47:43,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:47:43,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:47:43,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-10-06 02:47:43,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 02:47:43,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:48:24,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:48:24,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:48:24,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:48:24,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-10-06 02:48:24,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 02:48:24,172 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-06 02:48:24,172 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-10-06 02:48:24,173 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 02:48:24,175 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 02:48:24,175 INFO  L85        PathProgramCache]: Analyzing trace with hash -885477716, now seen corresponding path program 7 times
[2022-10-06 02:48:24,175 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 02:48:24,176 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787041345]
[2022-10-06 02:48:24,176 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 02:48:24,177 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 02:48:24,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 02:48:24,295 INFO  L134       CoverageAnalysis]: Checked inductivity of 108 backedges. 52 proven. 37 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2022-10-06 02:48:24,295 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 02:48:24,299 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787041345]
[2022-10-06 02:48:24,299 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787041345] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 02:48:24,300 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 02:48:24,300 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2022-10-06 02:48:24,300 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072327979]
[2022-10-06 02:48:24,300 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 02:48:24,301 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-10-06 02:48:24,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 02:48:24,301 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-10-06 02:48:24,301 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2022-10-06 02:48:24,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:48:24,302 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 02:48:24,302 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 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 02:48:24,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:48:24,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:48:24,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:48:24,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-10-06 02:48:24,302 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 02:48:24,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-06 02:48:24,303 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:49:33,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:49:33,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:49:33,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:49:33,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-10-06 02:49:33,785 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 02:49:33,791 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-10-06 02:49:33,791 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-10-06 02:49:33,792 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-10-06 02:49:33,792 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] ===
[2022-10-06 02:49:33,793 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-06 02:49:33,793 INFO  L85        PathProgramCache]: Analyzing trace with hash 2002097760, now seen corresponding path program 8 times
[2022-10-06 02:49:33,793 INFO  L118   FreeRefinementEngine]: Executing refinement strategy BADGER
[2022-10-06 02:49:33,796 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242621045]
[2022-10-06 02:49:33,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-06 02:49:33,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-06 02:49:33,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-06 02:49:34,005 INFO  L134       CoverageAnalysis]: Checked inductivity of 455 backedges. 160 proven. 148 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked.
[2022-10-06 02:49:34,005 INFO  L136   FreeRefinementEngine]: Strategy BADGER found an infeasible trace
[2022-10-06 02:49:34,005 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242621045]
[2022-10-06 02:49:34,005 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242621045] provided 0 perfect and 1 imperfect interpolant sequences
[2022-10-06 02:49:34,006 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2022-10-06 02:49:34,006 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2022-10-06 02:49:34,006 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194382849]
[2022-10-06 02:49:34,006 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2022-10-06 02:49:34,006 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-10-06 02:49:34,006 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER
[2022-10-06 02:49:34,007 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-10-06 02:49:34,007 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2022-10-06 02:49:34,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-06 02:49:34,008 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-06 02:49:34,008 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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 02:49:34,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2022-10-06 02:49:34,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-10-06 02:49:34,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-10-06 02:49:34,008 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-10-06 02:49:34,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-10-06 02:49:34,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-10-06 02:49:34,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2022-10-06 02:49:34,009 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.