/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 09:42:40,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 09:42:40,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 09:42:40,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-14 09:42:40,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-14 09:42:40,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-14 09:42:40,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-14 09:42:40,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-14 09:42:40,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-14 09:42:40,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-14 09:42:40,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-14 09:42:40,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-14 09:42:40,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 09:42:40,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 09:42:40,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 09:42:40,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 09:42:40,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 09:42:40,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 09:42:40,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 09:42:40,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 09:42:40,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 09:42:40,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 09:42:40,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 09:42:40,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 09:42:40,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 09:42:40,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 09:42:40,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 09:42:40,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 09:42:40,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 09:42:40,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 09:42:40,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 09:42:40,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 09:42:40,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 09:42:40,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 09:42:40,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 09:42:40,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 09:42:40,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 09:42:40,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 09:42:40,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 09:42:40,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 09:42:40,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 09:42:40,532 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-06-14 09:42:40,573 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 09:42:40,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 09:42:40,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 09:42:40,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 09:42:40,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 09:42:40,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 09:42:40,577 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 09:42:40,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 09:42:40,577 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 09:42:40,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 09:42:40,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 09:42:40,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 09:42:40,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 09:42:40,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 09:42:40,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 09:42:40,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 09:42:40,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 09:42:40,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 09:42:40,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 09:42:40,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 09:42:40,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 09:42:40,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 09:42:40,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 09:42:40,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 09:42:40,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 09:42:40,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 09:42:40,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 09:42:40,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 09:42:40,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 09:42:40,581 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 09:42:40,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 09:42:40,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 09:42:40,581 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-14 09:42:40,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 09:42:40,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 09:42:40,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 09:42:40,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 09:42:40,867 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 09:42:40,868 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 09:42:40,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl [2021-06-14 09:42:40,878 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl' [2021-06-14 09:42:40,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 09:42:40,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 09:42:40,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 09:42:40,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 09:42:40,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 09:42:40,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 09:42:40,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 09:42:40,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 09:42:40,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 09:42:40,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... [2021-06-14 09:42:40,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 09:42:40,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 09:42:40,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 09:42:40,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 09:42:40,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 09:42:41,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 09:42:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 09:42:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 09:42:41,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 09:42:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 09:42:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 09:42:41,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 09:42:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 09:42:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 09:42:41,010 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 09:42:41,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 09:42:41,273 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-14 09:42:41,273 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 09:42:41,274 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 09:42:41,275 INFO L202 PluginConnector]: Adding new model unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:42:41 BoogieIcfgContainer [2021-06-14 09:42:41,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 09:42:41,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 09:42:41,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 09:42:41,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 09:42:41,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 09:42:40" (1/2) ... [2021-06-14 09:42:41,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1719e25f and model type unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 09:42:41, skipping insertion in model container [2021-06-14 09:42:41,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 09:42:41" (2/2) ... [2021-06-14 09:42:41,281 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.bpl [2021-06-14 09:42:41,286 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 09:42:41,286 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 09:42:41,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 09:42:41,287 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 09:42:41,313 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 09:42:41,331 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 09:42:41,386 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 09:42:41,387 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 09:42:41,387 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 09:42:41,387 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 09:42:41,387 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 09:42:41,387 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 09:42:41,387 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 09:42:41,387 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 09:42:41,435 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:41,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1415596831, now seen corresponding path program 1 times [2021-06-14 09:42:41,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:41,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305353368] [2021-06-14 09:42:41,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:42:41,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:41,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305353368] [2021-06-14 09:42:41,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305353368] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 09:42:41,573 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 09:42:41,573 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 09:42:41,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739840571] [2021-06-14 09:42:41,578 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 09:42:41,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:41,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 09:42:41,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 09:42:41,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:41,593 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:41,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-06-14 09:42:41,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:41,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 09:42:41,628 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:41,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:41,628 INFO L82 PathProgramCache]: Analyzing trace with hash 725858237, now seen corresponding path program 1 times [2021-06-14 09:42:41,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:41,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167146345] [2021-06-14 09:42:41,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:42:41,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:41,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167146345] [2021-06-14 09:42:41,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167146345] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:41,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314158106] [2021-06-14 09:42:41,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:41,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-14 09:42:41,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:42:41,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314158106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:41,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:41,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-14 09:42:41,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009562534] [2021-06-14 09:42:41,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 09:42:41,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:41,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 09:42:41,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-14 09:42:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:41,829 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:41,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-06-14 09:42:41,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:41,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:41,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:41,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:42,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:42,095 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:42,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:42,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1049837130, now seen corresponding path program 1 times [2021-06-14 09:42:42,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:42,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069636993] [2021-06-14 09:42:42,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 09:42:42,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:42,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069636993] [2021-06-14 09:42:42,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069636993] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:42,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420981372] [2021-06-14 09:42:42,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:42,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-14 09:42:42,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 09:42:42,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420981372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:42,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:42,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-14 09:42:42,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743799830] [2021-06-14 09:42:42,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 09:42:42,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:42,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 09:42:42,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 09:42:42,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:42,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:42,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-06-14 09:42:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:42,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:42,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:42,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:42,509 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:42,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:42,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1698822694, now seen corresponding path program 2 times [2021-06-14 09:42:42,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:42,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36230188] [2021-06-14 09:42:42,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 09:42:42,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:42,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36230188] [2021-06-14 09:42:42,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36230188] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:42,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200413881] [2021-06-14 09:42:42,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:42,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:42:42,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:42,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 09:42:42,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 09:42:42,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200413881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:42,703 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:42,703 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-14 09:42:42,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656983677] [2021-06-14 09:42:42,703 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-14 09:42:42,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:42,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-14 09:42:42,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-14 09:42:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:42,704 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:42,705 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-06-14 09:42:42,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:42,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:42,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:42,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:42,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:42,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:42,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:42,961 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:42,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:42,962 INFO L82 PathProgramCache]: Analyzing trace with hash 342538698, now seen corresponding path program 3 times [2021-06-14 09:42:42,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:42,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872375989] [2021-06-14 09:42:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 09:42:43,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:43,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872375989] [2021-06-14 09:42:43,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872375989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:43,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512700148] [2021-06-14 09:42:43,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:43,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 09:42:43,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:43,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 09:42:43,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 09:42:43,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512700148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:43,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:43,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-14 09:42:43,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77848081] [2021-06-14 09:42:43,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 09:42:43,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:43,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 09:42:43,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-14 09:42:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:43,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:43,154 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-06-14 09:42:43,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:43,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:43,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:43,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:43,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:43,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:43,422 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:43,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:43,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1247407782, now seen corresponding path program 4 times [2021-06-14 09:42:43,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:43,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308300030] [2021-06-14 09:42:43,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 09:42:43,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:43,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308300030] [2021-06-14 09:42:43,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308300030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:43,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292034721] [2021-06-14 09:42:43,496 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:43,530 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:42:43,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:43,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-14 09:42:43,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 09:42:43,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292034721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:43,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:43,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-14 09:42:43,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292645838] [2021-06-14 09:42:43,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-14 09:42:43,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:43,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-14 09:42:43,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-14 09:42:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:43,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:43,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 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) [2021-06-14 09:42:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:43,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:43,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:43,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:43,896 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:43,896 INFO L82 PathProgramCache]: Analyzing trace with hash -766421686, now seen corresponding path program 5 times [2021-06-14 09:42:43,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:43,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614877601] [2021-06-14 09:42:43,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:42:43,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:43,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614877601] [2021-06-14 09:42:43,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614877601] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:43,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725154653] [2021-06-14 09:42:43,958 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:43,993 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 09:42:43,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:43,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 09:42:43,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:44,153 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 09:42:44,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-14 09:42:44,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:42:44,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 09:42:44,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:42:44,361 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-14 09:42:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:42:44,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725154653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:44,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:44,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-06-14 09:42:44,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572630573] [2021-06-14 09:42:44,369 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 09:42:44,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:44,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 09:42:44,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-14 09:42:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:44,374 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:44,374 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 states have internal predecessors, (25), 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) [2021-06-14 09:42:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:44,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:44,653 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:44,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:44,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1229374246, now seen corresponding path program 6 times [2021-06-14 09:42:44,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:44,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797691642] [2021-06-14 09:42:44,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:42:44,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:44,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797691642] [2021-06-14 09:42:44,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797691642] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:44,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913329334] [2021-06-14 09:42:44,758 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:44,795 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 09:42:44,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:44,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-14 09:42:44,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:42:44,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913329334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:44,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:44,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-14 09:42:44,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227542273] [2021-06-14 09:42:44,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 09:42:44,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:44,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 09:42:44,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-06-14 09:42:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:44,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:44,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 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) [2021-06-14 09:42:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:44,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:45,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-14 09:42:45,187 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:45,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:45,188 INFO L82 PathProgramCache]: Analyzing trace with hash -521035775, now seen corresponding path program 7 times [2021-06-14 09:42:45,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:45,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056714985] [2021-06-14 09:42:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 09:42:45,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:45,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056714985] [2021-06-14 09:42:45,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056714985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:45,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749212326] [2021-06-14 09:42:45,314 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:45,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-14 09:42:45,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 09:42:45,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749212326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:45,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:45,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-14 09:42:45,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539205328] [2021-06-14 09:42:45,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-14 09:42:45,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:45,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-14 09:42:45,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-14 09:42:45,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:45,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:45,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 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) [2021-06-14 09:42:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:45,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:45,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:45,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:45,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:45,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:45,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:45,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:45,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:42:45,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:45,833 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:45,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:45,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1883440861, now seen corresponding path program 8 times [2021-06-14 09:42:45,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:45,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846317785] [2021-06-14 09:42:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 09:42:45,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:45,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846317785] [2021-06-14 09:42:45,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846317785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:45,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551516198] [2021-06-14 09:42:45,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:46,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:42:46,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:46,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 09:42:46,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 09:42:46,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551516198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:46,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:46,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-14 09:42:46,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067637286] [2021-06-14 09:42:46,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 09:42:46,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:46,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 09:42:46,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-14 09:42:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:46,128 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:46,128 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-06-14 09:42:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:42:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:46,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:46,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:46,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:42:46,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:42:46,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:46,549 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:46,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:46,549 INFO L82 PathProgramCache]: Analyzing trace with hash -887194751, now seen corresponding path program 9 times [2021-06-14 09:42:46,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:46,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888307425] [2021-06-14 09:42:46,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 09:42:46,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:46,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888307425] [2021-06-14 09:42:46,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888307425] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:46,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138753847] [2021-06-14 09:42:46,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:46,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 09:42:46,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:46,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 09:42:46,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 09:42:46,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138753847] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:46,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:46,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-14 09:42:46,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111285428] [2021-06-14 09:42:46,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-14 09:42:46,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:46,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-14 09:42:46,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-14 09:42:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:46,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:46,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:42:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:47,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:42:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:42:47,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-06-14 09:42:47,296 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:47,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:47,297 INFO L82 PathProgramCache]: Analyzing trace with hash -877552803, now seen corresponding path program 10 times [2021-06-14 09:42:47,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:47,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531529045] [2021-06-14 09:42:47,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 09:42:47,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:47,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531529045] [2021-06-14 09:42:47,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531529045] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:47,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244602258] [2021-06-14 09:42:47,440 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:47,478 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:42:47,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:47,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 09:42:47,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 09:42:47,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244602258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:47,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:42:47,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-14 09:42:47,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737135660] [2021-06-14 09:42:47,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-14 09:42:47,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:42:47,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-14 09:42:47,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-06-14 09:42:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:47,639 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:42:47,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:42:47,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:42:47,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:42:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:42:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:42:48,047 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-14 09:42:48,047 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:42:48,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:42:48,047 INFO L82 PathProgramCache]: Analyzing trace with hash -578652415, now seen corresponding path program 11 times [2021-06-14 09:42:48,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:42:48,048 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590039894] [2021-06-14 09:42:48,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:42:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:42:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:42:48,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:42:48,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590039894] [2021-06-14 09:42:48,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590039894] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:42:48,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587442656] [2021-06-14 09:42:48,146 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:42:48,180 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-14 09:42:48,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:42:48,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-14 09:42:48,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:42:48,726 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-14 09:42:48,727 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 09:42:48,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-14 09:42:50,022 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2021-06-14 09:42:50,194 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-06-14 09:42:50,352 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-06-14 09:42:50,529 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-06-14 09:42:50,956 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 327 [2021-06-14 09:42:51,329 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 318 [2021-06-14 09:42:51,567 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-06-14 09:42:52,788 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 246 [2021-06-14 09:42:52,951 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2021-06-14 09:42:53,121 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 213 [2021-06-14 09:42:53,251 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 215 [2021-06-14 09:42:54,827 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 172 [2021-06-14 09:42:54,968 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 203 [2021-06-14 09:42:55,110 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-06-14 09:42:55,352 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-06-14 09:42:55,710 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 326 [2021-06-14 09:42:56,874 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 236 [2021-06-14 09:42:57,052 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 260 [2021-06-14 09:42:57,265 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2021-06-14 09:42:58,048 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-06-14 09:42:58,217 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 220 [2021-06-14 09:42:58,378 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2021-06-14 09:42:58,797 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 431 [2021-06-14 09:42:59,590 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 631 [2021-06-14 09:43:00,538 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 670 [2021-06-14 09:43:01,783 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 969 DAG size of output: 794 [2021-06-14 09:43:03,233 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 979 DAG size of output: 806 [2021-06-14 09:43:04,940 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1051 DAG size of output: 859 [2021-06-14 09:43:06,933 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1150 DAG size of output: 926 [2021-06-14 09:43:07,143 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 268 [2021-06-14 09:43:07,306 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 269 [2021-06-14 09:43:07,454 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 254 [2021-06-14 09:43:08,469 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 220 [2021-06-14 09:43:08,821 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 247 [2021-06-14 09:43:09,008 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 254 [2021-06-14 09:43:10,192 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 191 [2021-06-14 09:43:10,603 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 227 [2021-06-14 09:43:10,830 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 234 [2021-06-14 09:43:11,292 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 367 [2021-06-14 09:43:11,790 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 370 [2021-06-14 09:43:12,417 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 432 [2021-06-14 09:43:15,364 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-06-14 09:43:18,293 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-06-14 09:43:21,597 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1148 [2021-06-14 09:43:21,722 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2021-06-14 09:43:24,890 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1191 [2021-06-14 09:43:27,481 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1162 [2021-06-14 09:43:29,920 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1243 [2021-06-14 09:43:30,377 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 581 [2021-06-14 09:43:30,599 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-06-14 09:43:31,052 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 211 [2021-06-14 09:43:31,750 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 264 [2021-06-14 09:43:32,094 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 382 [2021-06-14 09:43:32,684 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 556 [2021-06-14 09:43:33,511 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 650 [2021-06-14 09:43:34,619 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-06-14 09:43:35,731 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-06-14 09:43:37,163 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1094 DAG size of output: 478 [2021-06-14 09:43:37,509 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2021-06-14 09:43:37,668 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-06-14 09:43:38,232 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 224 [2021-06-14 09:43:38,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 09:43:38,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 09:43:38,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 09:43:38,662 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-14 09:43:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:43:38,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587442656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:38,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:43:38,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-06-14 09:43:38,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358734281] [2021-06-14 09:43:38,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 09:43:38,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:43:38,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 09:43:38,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-14 09:43:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:38,674 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:43:38,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 24 states have internal predecessors, (37), 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) [2021-06-14 09:43:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:39,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-14 09:43:39,033 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:43:39,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:43:39,033 INFO L82 PathProgramCache]: Analyzing trace with hash 97325021, now seen corresponding path program 12 times [2021-06-14 09:43:39,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:43:39,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524432931] [2021-06-14 09:43:39,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:43:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:43:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:43:39,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:43:39,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524432931] [2021-06-14 09:43:39,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524432931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:39,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401041569] [2021-06-14 09:43:39,173 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:43:39,203 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-14 09:43:39,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:43:39,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-14 09:43:39,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:43:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:43:39,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401041569] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:39,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:43:39,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-14 09:43:39,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313305672] [2021-06-14 09:43:39,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 09:43:39,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:43:39,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 09:43:39,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-06-14 09:43:39,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:39,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:43:39,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 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) [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:39,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:39,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:39,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:39,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1520,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:43:39,705 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:43:39,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:43:39,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1254823382, now seen corresponding path program 13 times [2021-06-14 09:43:39,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:43:39,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156563984] [2021-06-14 09:43:39,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:43:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:43:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 09:43:39,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:43:39,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156563984] [2021-06-14 09:43:39,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156563984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:39,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295282674] [2021-06-14 09:43:39,874 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:43:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:43:39,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-14 09:43:39,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:43:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 09:43:40,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295282674] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:40,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:43:40,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-14 09:43:40,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066122206] [2021-06-14 09:43:40,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-14 09:43:40,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:43:40,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-14 09:43:40,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-06-14 09:43:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:40,080 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:43:40,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 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) [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:40,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:43:40,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1521 [2021-06-14 09:43:40,701 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:43:40,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:43:40,701 INFO L82 PathProgramCache]: Analyzing trace with hash -180569082, now seen corresponding path program 14 times [2021-06-14 09:43:40,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:43:40,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097857052] [2021-06-14 09:43:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:43:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:43:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 09:43:40,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:43:40,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097857052] [2021-06-14 09:43:40,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097857052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:40,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863228704] [2021-06-14 09:43:40,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:43:40,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 09:43:40,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:43:40,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 09:43:40,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:43:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 09:43:41,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863228704] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:41,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:43:41,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-14 09:43:41,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865738903] [2021-06-14 09:43:41,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-14 09:43:41,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:43:41,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-14 09:43:41,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-06-14 09:43:41,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:41,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:43:41,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 25 states have internal predecessors, (34), 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) [2021-06-14 09:43:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:41,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:41,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:41,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:41,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:41,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:41,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:41,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:43:41,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:41,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:41,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:41,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:43:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 09:43:41,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1522,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:43:41,825 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:43:41,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:43:41,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1238424150, now seen corresponding path program 15 times [2021-06-14 09:43:41,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:43:41,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474742140] [2021-06-14 09:43:41,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:43:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:43:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 09:43:42,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:43:42,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474742140] [2021-06-14 09:43:42,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474742140] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:42,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085162963] [2021-06-14 09:43:42,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:43:42,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-14 09:43:42,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:43:42,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-14 09:43:42,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:43:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 09:43:42,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085162963] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:42,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:43:42,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-14 09:43:42,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639709244] [2021-06-14 09:43:42,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 09:43:42,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:43:42,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 09:43:42,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-14 09:43:42,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:42,408 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:43:42,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 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) [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:42,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:42,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:43:42,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 09:43:42,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:42,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:43:42,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 09:43:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:43:43,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1523 [2021-06-14 09:43:43,102 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:43:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:43:43,103 INFO L82 PathProgramCache]: Analyzing trace with hash 327807110, now seen corresponding path program 16 times [2021-06-14 09:43:43,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:43:43,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546640849] [2021-06-14 09:43:43,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:43:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:43:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 09:43:43,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:43:43,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546640849] [2021-06-14 09:43:43,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546640849] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:43,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314371244] [2021-06-14 09:43:43,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:43:43,416 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 09:43:43,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:43:43,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-14 09:43:43,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:43:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 09:43:43,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314371244] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:43,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 09:43:43,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-14 09:43:43,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987271751] [2021-06-14 09:43:43,662 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 09:43:43,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 09:43:43,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 09:43:43,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-06-14 09:43:43,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:43,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 09:43:43,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 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) [2021-06-14 09:43:43,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:43,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:43,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:43,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:43,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:43,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:43,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:43:43,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 09:43:44,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 09:43:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 09:43:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 09:43:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 09:43:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 09:43:44,482 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-06-14 09:43:44,483 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 09:43:44,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 09:43:44,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1636335914, now seen corresponding path program 17 times [2021-06-14 09:43:44,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 09:43:44,483 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32775645] [2021-06-14 09:43:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 09:43:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 09:43:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 09:43:44,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 09:43:44,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32775645] [2021-06-14 09:43:44,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32775645] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 09:43:44,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115459909] [2021-06-14 09:43:44,637 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 09:43:44,670 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-14 09:43:44,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 09:43:44,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-14 09:43:44,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 09:43:45,821 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-06-14 09:43:45,821 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 09:43:45,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-06-14 09:43:46,890 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 255 [2021-06-14 09:43:47,785 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-14 09:43:47,954 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 331 [2021-06-14 09:43:49,895 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 307 [2021-06-14 09:43:50,137 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 379 [2021-06-14 09:43:50,433 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 413 [2021-06-14 09:43:51,017 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 526 [2021-06-14 09:43:52,715 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-06-14 09:43:54,289 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 281 [2021-06-14 09:43:54,451 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 323 [2021-06-14 09:43:54,726 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 402 [2021-06-14 09:43:55,241 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 513 [2021-06-14 09:43:55,856 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 545 [2021-06-14 09:43:57,482 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-06-14 09:43:58,602 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 294 [2021-06-14 09:43:58,995 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 441 [2021-06-14 09:43:59,459 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 474 [2021-06-14 09:44:00,713 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1000 DAG size of output: 761 [2021-06-14 09:44:02,779 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1025 [2021-06-14 09:44:04,879 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1035 [2021-06-14 09:44:07,280 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1067 [2021-06-14 09:44:10,051 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1101 [2021-06-14 09:44:11,185 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 351 [2021-06-14 09:44:12,008 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 306 [2021-06-14 09:44:12,356 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 448 [2021-06-14 09:44:12,776 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 481 [2021-06-14 09:44:14,323 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2021-06-14 09:44:14,551 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 373 [2021-06-14 09:44:14,836 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 407 [2021-06-14 09:44:15,675 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 649 [2021-06-14 09:44:17,086 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 319 [2021-06-14 09:44:17,334 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 398 [2021-06-14 09:44:18,718 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-06-14 09:44:19,244 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 525 [2021-06-14 09:44:19,867 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 557 [2021-06-14 09:44:20,700 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2021-06-14 09:44:21,409 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 311 [2021-06-14 09:44:21,553 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 351 [2021-06-14 09:44:21,884 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-06-14 09:44:22,590 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 314 [2021-06-14 09:44:23,459 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 390 [2021-06-14 09:44:24,121 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 595 [2021-06-14 09:44:24,911 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 626 [2021-06-14 09:44:26,511 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1116 DAG size of output: 898 [2021-06-14 09:44:29,283 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1544 DAG size of output: 1253 [2021-06-14 09:44:32,079 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1263 [2021-06-14 09:44:35,302 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 1584 DAG size of output: 1293 [2021-06-14 09:44:39,055 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 1616 DAG size of output: 1326 [2021-06-14 09:44:46,448 WARN L205 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 2667 DAG size of output: 2084 [2021-06-14 09:44:54,593 WARN L205 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-06-14 09:45:02,993 WARN L205 SmtUtils]: Spent 8.39 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-06-14 09:45:13,910 WARN L205 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2140 [2021-06-14 09:45:38,796 WARN L205 SmtUtils]: Spent 24.87 s on a formula simplification. DAG size of input: 2142 DAG size of output: 3536 [2021-06-14 09:45:40,917 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2084 [2021-06-14 09:45:44,311 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1844 [2021-06-14 09:45:50,747 WARN L205 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1538 [2021-06-14 09:45:58,255 WARN L205 SmtUtils]: Spent 7.50 s on a formula simplification. DAG size of input: 1306 DAG size of output: 2171 [2021-06-14 09:46:04,785 WARN L205 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1665 [2021-06-14 09:46:12,343 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1672 [2021-06-14 09:46:12,597 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-06-14 09:46:13,241 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 373 [2021-06-14 09:46:13,397 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 402 [2021-06-14 09:46:13,595 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2021-06-14 09:46:14,262 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 360 [2021-06-14 09:46:14,420 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 394 [2021-06-14 09:46:14,843 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 665 [2021-06-14 09:46:15,273 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 678 [2021-06-14 09:46:15,812 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-06-14 09:46:15,946 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 381 [2021-06-14 09:46:16,120 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 412 [2021-06-14 09:46:16,832 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 370 [2021-06-14 09:46:17,201 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 634 [2021-06-14 09:46:17,577 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 646 [2021-06-14 09:46:18,532 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 1205 DAG size of output: 1143 [2021-06-14 09:46:19,289 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2021-06-14 09:46:19,448 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2021-06-14 09:46:20,313 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 421 [2021-06-14 09:46:20,510 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2021-06-14 09:46:20,962 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 682 [2021-06-14 09:46:22,410 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1601 [2021-06-14 09:46:22,987 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 314 [2021-06-14 09:46:23,104 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 324 [2021-06-14 09:46:23,763 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 345 [2021-06-14 09:46:23,900 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 356 [2021-06-14 09:46:24,213 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 525 [2021-06-14 09:46:24,978 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 341 [2021-06-14 09:46:25,466 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 713 [2021-06-14 09:46:27,736 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 2072 DAG size of output: 1911 [2021-06-14 09:46:32,088 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 1178 DAG size of output: 1596 [2021-06-14 09:46:35,658 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1398 [2021-06-14 09:46:38,299 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1312 [2021-06-14 09:46:41,913 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1408 [2021-06-14 09:46:42,140 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2021-06-14 09:46:43,121 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 350 [2021-06-14 09:46:43,344 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 386 [2021-06-14 09:46:43,615 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 412 [2021-06-14 09:46:44,339 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 303 [2021-06-14 09:46:44,516 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 332 [2021-06-14 09:46:45,055 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 597 [2021-06-14 09:46:45,368 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 457 [2021-06-14 09:46:45,660 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 444 [2021-06-14 09:46:45,909 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 281 [2021-06-14 09:46:46,857 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-06-14 09:46:47,312 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 239 [2021-06-14 09:46:47,724 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-06-14 09:46:48,152 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 419 [2021-06-14 09:46:48,775 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-06-14 09:46:49,475 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 243 [2021-06-14 09:46:49,675 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 308 [2021-06-14 09:46:50,052 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 402 [2021-06-14 09:46:50,998 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 586 [2021-06-14 09:46:52,221 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 610 DAG size of output: 648 [2021-06-14 09:46:53,156 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-06-14 09:46:53,385 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 270 [2021-06-14 09:46:53,688 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 308 [2021-06-14 09:46:54,393 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-14 09:46:54,948 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-06-14 09:46:57,008 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 849 DAG size of output: 882 [2021-06-14 09:46:57,329 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 410 [2021-06-14 09:46:57,539 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 342 [2021-06-14 09:46:59,189 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2021-06-14 09:46:59,729 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-14 09:47:00,148 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 412 [2021-06-14 09:47:00,747 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2021-06-14 09:47:01,389 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-06-14 09:47:02,700 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-06-14 09:47:02,988 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 377 [2021-06-14 09:47:03,919 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-06-14 09:47:04,726 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 281 [2021-06-14 09:47:05,065 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 377 [2021-06-14 09:47:05,807 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 587 [2021-06-14 09:47:07,400 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 946 DAG size of output: 855 [2021-06-14 09:47:09,390 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1051 DAG size of output: 957 [2021-06-14 09:47:09,521 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 278 [2021-06-14 09:47:09,648 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 290 [2021-06-14 09:47:09,774 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 285 [2021-06-14 09:47:10,775 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 252 [2021-06-14 09:47:10,941 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 316 [2021-06-14 09:47:11,196 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 389 [2021-06-14 09:47:11,530 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 405 [2021-06-14 09:47:12,102 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-06-14 09:47:12,290 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 320 [2021-06-14 09:47:12,819 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 281 [2021-06-14 09:47:13,138 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-06-14 09:47:13,845 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 562 [2021-06-14 09:47:14,472 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2021-06-14 09:47:15,139 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2021-06-14 09:47:15,423 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 410 [2021-06-14 09:47:16,191 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 320 [2021-06-14 09:47:16,655 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2021-06-14 09:47:16,783 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2021-06-14 09:47:17,095 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 418 [2021-06-14 09:47:17,769 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 566 [2021-06-14 09:47:19,290 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1051 DAG size of output: 864 [2021-06-14 09:47:21,153 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1113 DAG size of output: 917 [2021-06-14 09:47:21,838 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2021-06-14 09:47:22,355 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 284 [2021-06-14 09:47:22,595 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-06-14 09:47:23,171 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 296 [2021-06-14 09:47:23,848 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 375 [2021-06-14 09:47:24,367 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 503 [2021-06-14 09:47:25,062 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 235 [2021-06-14 09:47:25,242 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 264 [2021-06-14 09:47:25,732 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 242 [2021-06-14 09:47:26,062 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 325 [2021-06-14 09:47:26,561 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 438 [2021-06-14 09:47:27,697 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 749 DAG size of output: 750 [2021-06-14 09:47:29,107 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-06-14 09:47:32,830 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 1555 DAG size of output: 1414 [2021-06-14 09:47:39,536 WARN L205 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 2320 DAG size of output: 2079 [2021-06-14 09:47:47,517 WARN L205 SmtUtils]: Spent 7.97 s on a formula simplification. DAG size of input: 2889 DAG size of output: 2253 [2021-06-14 09:47:48,079 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2021-06-14 09:47:48,206 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2021-06-14 09:47:57,643 WARN L205 SmtUtils]: Spent 9.43 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2377 [2021-06-14 09:47:58,228 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 514 [2021-06-14 09:47:58,976 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-14 09:47:59,854 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2021-06-14 09:48:00,067 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-06-14 09:48:00,356 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 311 [2021-06-14 09:48:00,859 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-06-14 09:48:01,044 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 316 [2021-06-14 09:48:01,187 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 323 [2021-06-14 09:48:01,311 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 303 [2021-06-14 09:48:02,104 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 305 [2021-06-14 09:48:02,647 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 256 [2021-06-14 09:48:03,154 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-06-14 09:48:03,523 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 436 [2021-06-14 09:48:04,306 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2021-06-14 09:48:04,468 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 306 [2021-06-14 09:48:05,217 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 300 [2021-06-14 09:48:05,615 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 430 [2021-06-14 09:48:06,420 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 618 [2021-06-14 09:48:06,542 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-06-14 09:48:07,303 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 283 [2021-06-14 09:48:07,449 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 302 [2021-06-14 09:48:08,211 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 279 [2021-06-14 09:48:08,564 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 420 [2021-06-14 09:48:08,711 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 358 [2021-06-14 09:48:09,488 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 302 [2021-06-14 09:48:09,605 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 332 [2021-06-14 09:48:09,763 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 316 [2021-06-14 09:48:10,217 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-06-14 09:48:10,476 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 346 [2021-06-14 09:48:10,886 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 442 [2021-06-14 09:48:11,742 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 616 [2021-06-14 09:48:13,603 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1144 DAG size of output: 978 [2021-06-14 09:48:15,896 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1068 [2021-06-14 09:48:18,237 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1461 DAG size of output: 976 [2021-06-14 09:48:21,309 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1074 [2021-06-14 09:48:21,650 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 389 [2021-06-14 09:48:21,857 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 388 [2021-06-14 09:48:22,064 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 388 [2021-06-14 09:48:22,284 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 435 [2021-06-14 09:48:22,597 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 446 [2021-06-14 09:48:22,725 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 370 [2021-06-14 09:48:22,921 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 386 [2021-06-14 09:48:23,499 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 300 [2021-06-14 09:48:23,727 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 352 [2021-06-14 09:48:24,185 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 455 [2021-06-14 09:48:24,429 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 373 [2021-06-14 09:48:25,137 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2021-06-14 09:48:25,431 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 308 [2021-06-14 09:48:25,797 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 401 [2021-06-14 09:48:26,628 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 636 [2021-06-14 09:48:26,866 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 459 [2021-06-14 09:48:27,201 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 466 [2021-06-14 09:48:28,200 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-06-14 09:48:28,650 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-14 09:48:29,140 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 497 [2021-06-14 09:48:29,407 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 393 [2021-06-14 09:48:29,529 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 347 [2021-06-14 09:48:29,696 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 348 [2021-06-14 09:48:30,240 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 261 [2021-06-14 09:48:30,454 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 319 [2021-06-14 09:48:30,859 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 408 [2021-06-14 09:48:31,746 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 681 [2021-06-14 09:48:33,678 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1233 DAG size of output: 968 [2021-06-14 09:48:33,894 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-06-14 09:48:34,142 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 451 [2021-06-14 09:48:35,139 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 287 [2021-06-14 09:48:35,420 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-06-14 09:48:36,011 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 408 [2021-06-14 09:48:36,357 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 462 [2021-06-14 09:48:36,489 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 378 [2021-06-14 09:48:36,705 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 394 [2021-06-14 09:48:37,351 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 305 [2021-06-14 09:48:37,590 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 357 [2021-06-14 09:48:38,094 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 462 [2021-06-14 09:48:38,947 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 641 [2021-06-14 09:48:39,175 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 427 [2021-06-14 09:48:39,993 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 233 [2021-06-14 09:48:40,185 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-06-14 09:48:40,304 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 263 [2021-06-14 09:48:40,857 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 307 [2021-06-14 09:48:41,199 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 381 [2021-06-14 09:48:41,669 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 443 [2021-06-14 09:48:41,931 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 369 [2021-06-14 09:48:42,735 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 279 [2021-06-14 09:48:42,933 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 308 [2021-06-14 09:48:43,326 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 399 [2021-06-14 09:48:44,184 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 623 [2021-06-14 09:48:46,025 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1208 DAG size of output: 945 [2021-06-14 09:48:50,246 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 1884 DAG size of output: 1436 [2021-06-14 09:48:55,537 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1581 [2021-06-14 09:48:56,342 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 293 [2021-06-14 09:48:56,524 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 304 [2021-06-14 09:49:02,702 WARN L205 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 2189 DAG size of output: 1741 [2021-06-14 09:49:13,315 WARN L205 SmtUtils]: Spent 10.60 s on a formula simplification. DAG size of input: 3225 DAG size of output: 2355 [2021-06-14 09:49:34,523 WARN L205 SmtUtils]: Spent 21.19 s on a formula simplification. DAG size of input: 5151 DAG size of output: 3699 [2021-06-14 09:49:58,719 WARN L205 SmtUtils]: Spent 24.17 s on a formula simplification. DAG size of input: 5285 DAG size of output: 3839 [2021-06-14 09:49:59,595 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 218 [2021-06-14 09:49:59,753 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-06-14 09:50:00,319 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 438 [2021-06-14 09:50:01,538 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-06-14 09:50:02,149 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 252 [2021-06-14 09:50:02,705 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 318 [2021-06-14 09:50:03,244 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 459 [2021-06-14 09:50:03,864 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 514 [2021-06-14 09:50:04,543 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-06-14 09:50:05,476 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 702 [2021-06-14 09:50:06,175 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 207 [2021-06-14 09:50:06,596 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 260 [2021-06-14 09:50:07,565 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 274 [2021-06-14 09:50:07,962 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 405 [2021-06-14 09:50:08,469 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 460 [2021-06-14 09:50:09,023 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-06-14 09:50:09,904 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 635 [2021-06-14 09:50:11,024 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 659 DAG size of output: 679 [2021-06-14 09:50:13,464 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 937 DAG size of output: 1011 [2021-06-14 09:50:13,929 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 190 [2021-06-14 09:50:14,484 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 292 [2021-06-14 09:50:15,043 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 385 [2021-06-14 09:50:16,131 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-06-14 09:50:16,453 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 316 [2021-06-14 09:50:17,016 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 408 [2021-06-14 09:50:17,967 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 569 [2021-06-14 09:50:21,198 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1222 [2021-06-14 09:50:21,581 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 376 [2021-06-14 09:50:21,830 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 363 [2021-06-14 09:50:22,056 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 418 [2021-06-14 09:50:22,357 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 373 [2021-06-14 09:50:22,964 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 292 [2021-06-14 09:50:23,171 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-06-14 09:50:23,962 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 241 [2021-06-14 09:50:24,132 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 282 [2021-06-14 09:50:24,503 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 431 [2021-06-14 09:50:24,701 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 394 [2021-06-14 09:50:25,561 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 280 [2021-06-14 09:50:26,484 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 278 [2021-06-14 09:50:26,660 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-06-14 09:50:26,990 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 414 [2021-06-14 09:50:27,767 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 627 [2021-06-14 09:50:27,964 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-06-14 09:50:28,167 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-06-14 09:50:29,064 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-14 09:50:29,245 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-06-14 09:50:30,084 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-06-14 09:50:30,423 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-06-14 09:50:30,630 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-06-14 09:50:31,575 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-06-14 09:50:31,896 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-06-14 09:50:32,468 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-14 09:50:32,683 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-06-14 09:50:33,052 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 430 [2021-06-14 09:50:33,885 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 624 [2021-06-14 09:50:35,761 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1154 DAG size of output: 777 [2021-06-14 09:50:38,124 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1272 DAG size of output: 894 [2021-06-14 09:50:44,402 WARN L205 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 2242 DAG size of output: 1906 [2021-06-14 09:50:44,835 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 436 [2021-06-14 09:50:45,136 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 374 [2021-06-14 09:50:45,351 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 359 [2021-06-14 09:50:45,559 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 414 [2021-06-14 09:50:45,833 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 369 [2021-06-14 09:50:46,417 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 293 [2021-06-14 09:50:46,625 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 328 [2021-06-14 09:50:47,451 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 277 [2021-06-14 09:50:47,796 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 427 [2021-06-14 09:50:47,985 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 390 [2021-06-14 09:50:48,790 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 276 [2021-06-14 09:50:49,647 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-14 09:50:49,813 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 313 [2021-06-14 09:50:50,130 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 409 [2021-06-14 09:50:50,893 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 621 [2021-06-14 09:50:51,086 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-06-14 09:50:51,316 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-06-14 09:50:52,161 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-06-14 09:50:52,450 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-06-14 09:50:53,026 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-14 09:50:53,245 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-06-14 09:50:53,595 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 429 [2021-06-14 09:50:53,782 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-06-14 09:50:54,676 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-14 09:50:54,852 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-06-14 09:50:55,669 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-06-14 09:50:55,994 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-06-14 09:50:56,773 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 623 [2021-06-14 09:50:58,510 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1157 DAG size of output: 759 [2021-06-14 09:51:00,804 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1275 DAG size of output: 876 [2021-06-14 09:51:01,749 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 285 [2021-06-14 09:51:02,225 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 380 [2021-06-14 09:51:03,429 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2021-06-14 09:51:03,691 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-06-14 09:51:04,079 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 399 [2021-06-14 09:51:04,958 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 560 [2021-06-14 09:51:05,618 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 203 [2021-06-14 09:51:06,047 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 269 [2021-06-14 09:51:06,798 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 265 [2021-06-14 09:51:07,220 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2021-06-14 09:51:07,736 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2021-06-14 09:51:08,346 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-06-14 09:51:09,129 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 623 [2021-06-14 09:51:10,101 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 675 [2021-06-14 09:51:11,038 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-06-14 09:51:11,251 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-06-14 09:51:12,350 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-06-14 09:51:12,842 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 431 [2021-06-14 09:51:13,503 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 484 [2021-06-14 09:51:14,004 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-06-14 09:51:14,944 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 681 [2021-06-14 09:51:17,163 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 960 DAG size of output: 1007 [2021-06-14 09:51:20,215 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 1227 DAG size of output: 1204 [2021-06-14 09:51:26,407 WARN L205 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 2273 DAG size of output: 1873 [2021-06-14 09:51:39,763 WARN L205 SmtUtils]: Spent 13.34 s on a formula simplification. DAG size of input: 3626 DAG size of output: 3012 [2021-06-14 09:51:55,273 WARN L205 SmtUtils]: Spent 15.49 s on a formula simplification. DAG size of input: 3733 DAG size of output: 3114 [2021-06-14 09:52:13,210 WARN L205 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 3858 DAG size of output: 3216 [2021-06-14 09:53:02,090 WARN L205 SmtUtils]: Spent 48.85 s on a formula simplification. DAG size of input: 8350 DAG size of output: 6493 [2021-06-14 09:53:04,538 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 765 DAG size of output: 1165 [2021-06-14 09:53:05,491 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 801 [2021-06-14 09:53:07,885 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 760 DAG size of output: 1013 [2021-06-14 09:53:09,842 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 753 DAG size of output: 864 [2021-06-14 09:53:11,193 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2021-06-14 09:53:11,989 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-06-14 09:53:12,352 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 383 [2021-06-14 09:53:13,141 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2021-06-14 09:53:14,113 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2021-06-14 09:53:14,474 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-06-14 09:53:15,291 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 547 [2021-06-14 09:53:15,525 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 298 [2021-06-14 09:53:16,348 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 271 [2021-06-14 09:53:17,069 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-06-14 09:53:17,230 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 277 [2021-06-14 09:53:17,556 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 395 [2021-06-14 09:53:18,091 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 478 [2021-06-14 09:53:19,031 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 288 [2021-06-14 09:53:19,623 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-06-14 09:53:19,772 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-06-14 09:53:20,155 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 402 [2021-06-14 09:53:20,749 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 471 [2021-06-14 09:53:21,778 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 795 DAG size of output: 747 [2021-06-14 09:53:23,101 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 828 DAG size of output: 750 [2021-06-14 09:53:23,847 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 219 [2021-06-14 09:53:24,023 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-06-14 09:53:24,891 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 213 [2021-06-14 09:53:25,264 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 352 [2021-06-14 09:53:25,740 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 423 [2021-06-14 09:53:26,370 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 238 [2021-06-14 09:53:26,512 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 288 [2021-06-14 09:53:27,016 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 333 [2021-06-14 09:53:27,572 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-06-14 09:53:27,750 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 284 [2021-06-14 09:53:28,336 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 338 [2021-06-14 09:53:28,855 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 451 [2021-06-14 09:53:29,988 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 728 DAG size of output: 652 [2021-06-14 09:53:32,681 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1113 [2021-06-14 09:53:35,509 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1618 DAG size of output: 1151 [2021-06-14 09:53:38,908 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1217 [2021-06-14 09:53:40,325 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-06-14 09:53:40,983 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-06-14 09:53:41,320 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 365 [2021-06-14 09:53:41,807 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 468 [2021-06-14 09:53:42,373 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 489 [2021-06-14 09:53:43,124 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 292 [2021-06-14 09:53:43,701 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-06-14 09:53:43,838 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 274 [2021-06-14 09:53:44,138 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 396 [2021-06-14 09:53:44,787 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2021-06-14 09:53:44,926 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-06-14 09:53:45,633 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 294 [2021-06-14 09:53:45,960 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 402 [2021-06-14 09:53:46,659 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 550 [2021-06-14 09:53:48,112 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 842 DAG size of output: 808 [2021-06-14 09:53:49,251 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 305 [2021-06-14 09:53:50,344 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 301 [2021-06-14 09:53:50,756 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2021-06-14 09:53:51,680 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2021-06-14 09:53:51,912 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2021-06-14 09:53:52,293 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 311 [2021-06-14 09:53:53,152 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 545 [2021-06-14 09:53:55,225 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1181 DAG size of output: 920 [2021-06-14 09:53:57,562 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-06-14 09:54:04,094 WARN L205 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 2494 DAG size of output: 1879 [2021-06-14 09:54:12,657 WARN L205 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2341 [2021-06-14 09:54:13,215 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-06-14 09:54:13,598 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 423 [2021-06-14 09:54:14,488 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 237 [2021-06-14 09:54:14,685 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-06-14 09:54:15,234 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 337 [2021-06-14 09:54:16,175 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 250 [2021-06-14 09:54:16,359 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2021-06-14 09:54:16,642 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 355 [2021-06-14 09:54:17,272 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 442 [2021-06-14 09:54:18,094 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 548 [2021-06-14 09:54:18,403 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 311 [2021-06-14 09:54:18,930 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 279 [2021-06-14 09:54:19,059 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2021-06-14 09:54:19,310 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 377 [2021-06-14 09:54:19,830 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2021-06-14 09:54:19,991 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 292 [2021-06-14 09:54:20,404 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 467 [2021-06-14 09:54:21,368 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2021-06-14 09:54:21,572 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 356 [2021-06-14 09:54:21,861 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 432 [2021-06-14 09:54:22,284 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2021-06-14 09:54:23,143 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 669 [2021-06-14 09:54:25,104 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 993 DAG size of output: 928 [2021-06-14 09:54:26,371 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 263 [2021-06-14 09:54:26,617 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 314 [2021-06-14 09:54:27,803 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 348 [2021-06-14 09:54:28,338 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 459 [2021-06-14 09:54:29,119 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 579 [2021-06-14 09:54:30,143 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 356 [2021-06-14 09:54:30,459 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 383 [2021-06-14 09:54:31,021 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-14 09:54:31,187 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 285 [2021-06-14 09:54:31,719 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 480 [2021-06-14 09:54:32,621 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 593 [2021-06-14 09:54:33,552 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 617 [2021-06-14 09:54:35,416 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 870 DAG size of output: 884 [2021-06-14 09:54:39,739 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1523 [2021-06-14 09:54:44,848 WARN L205 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1666 [2021-06-14 09:54:45,841 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 254 [2021-06-14 09:54:46,095 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 330 [2021-06-14 09:54:46,471 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 415 [2021-06-14 09:54:47,439 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 260 [2021-06-14 09:54:47,694 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 329 [2021-06-14 09:54:48,071 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 422 [2021-06-14 09:54:48,986 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 559 [2021-06-14 09:54:54,859 WARN L205 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1719 [2021-06-14 09:55:02,321 WARN L205 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1825 [2021-06-14 09:55:03,070 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 467 [2021-06-14 09:55:03,842 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 224 [2021-06-14 09:55:03,977 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2021-06-14 09:55:04,446 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2021-06-14 09:55:04,773 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2021-06-14 09:55:05,408 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 445 [2021-06-14 09:55:06,336 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-06-14 09:55:06,822 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-06-14 09:55:07,215 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 345 [2021-06-14 09:55:07,723 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 466 [2021-06-14 09:55:08,872 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 692 DAG size of output: 688 [2021-06-14 09:55:09,135 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 272 [2021-06-14 09:55:09,672 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-06-14 09:55:09,897 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-06-14 09:55:10,482 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 391 [2021-06-14 09:55:11,085 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-06-14 09:55:11,700 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-06-14 09:55:11,977 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 392 [2021-06-14 09:55:12,669 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 542 [2021-06-14 09:55:12,954 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 279 [2021-06-14 09:55:13,459 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2021-06-14 09:55:13,639 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2021-06-14 09:55:14,093 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 243 [2021-06-14 09:55:14,384 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 394 [2021-06-14 09:55:14,553 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 274 [2021-06-14 09:55:15,087 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 274 [2021-06-14 09:55:15,341 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-06-14 09:55:15,925 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 395 [2021-06-14 09:55:16,596 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 546 [2021-06-14 09:55:18,174 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 816 DAG size of output: 763 [2021-06-14 09:55:21,299 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1122 [2021-06-14 09:55:21,509 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 302 [2021-06-14 09:55:21,944 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 236 [2021-06-14 09:55:22,449 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 255 [2021-06-14 09:55:22,736 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 319 [2021-06-14 09:55:23,694 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 242 [2021-06-14 09:55:24,011 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2021-06-14 09:55:24,633 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-06-14 09:55:24,817 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-06-14 09:55:25,334 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-14 09:55:25,789 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-06-14 09:55:26,035 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-06-14 09:55:26,467 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 361 [2021-06-14 09:55:27,367 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-06-14 09:55:27,612 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-06-14 09:55:28,275 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 515 [2021-06-14 09:55:29,715 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 700 DAG size of output: 716 [2021-06-14 09:55:34,364 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 1678 DAG size of output: 1384 [2021-06-14 09:55:40,178 WARN L205 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1603 [2021-06-14 09:55:46,903 WARN L205 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1662 [2021-06-14 09:56:01,894 WARN L205 SmtUtils]: Spent 14.98 s on a formula simplification. DAG size of input: 3341 DAG size of output: 3040 [2021-06-14 09:56:28,367 WARN L205 SmtUtils]: Spent 26.45 s on a formula simplification. DAG size of input: 5467 DAG size of output: 4541 [2021-06-14 09:56:28,515 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2021-06-14 09:56:29,393 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 572 [2021-06-14 09:56:29,889 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 465 [2021-06-14 09:56:30,147 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 298 [2021-06-14 09:56:30,672 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 238 [2021-06-14 09:56:31,251 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 318 [2021-06-14 09:56:31,754 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 297 [2021-06-14 09:56:32,181 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-06-14 09:56:32,424 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 289 [2021-06-14 09:56:32,765 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 359 [2021-06-14 09:56:33,431 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 513 [2021-06-14 09:56:33,611 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-06-14 09:56:34,147 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-06-14 09:56:34,760 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-06-14 09:56:34,986 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-14 09:56:35,444 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 241 [2021-06-14 09:56:35,682 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 294 [2021-06-14 09:56:36,318 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 364 [2021-06-14 09:56:37,010 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 518 [2021-06-14 09:56:38,516 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 674 DAG size of output: 664 [2021-06-14 09:56:38,706 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 336 [2021-06-14 09:56:38,827 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 363 [2021-06-14 09:56:39,432 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 291 [2021-06-14 09:56:39,538 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-06-14 09:56:40,139 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-06-14 09:56:40,512 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 403 [2021-06-14 09:56:41,218 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2021-06-14 09:56:41,464 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 308 [2021-06-14 09:56:42,043 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 517 [2021-06-14 09:56:42,152 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 351 [2021-06-14 09:56:42,260 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 253 [2021-06-14 09:56:42,845 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 294 [2021-06-14 09:56:43,077 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 358 [2021-06-14 09:56:43,931 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-06-14 09:56:44,141 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 337 [2021-06-14 09:56:44,533 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2021-06-14 09:56:45,109 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 504 [2021-06-14 09:56:46,407 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 841 DAG size of output: 753 [2021-06-14 09:56:46,560 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 334 [2021-06-14 09:56:46,683 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 361 [2021-06-14 09:56:47,124 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2021-06-14 09:56:47,583 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 306 [2021-06-14 09:56:48,277 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 326 [2021-06-14 09:56:48,653 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 231 [2021-06-14 09:56:48,812 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 287 [2021-06-14 09:56:49,176 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 401 [2021-06-14 09:56:49,761 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 512 [2021-06-14 09:56:49,871 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 349 [2021-06-14 09:56:50,400 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2021-06-14 09:56:50,579 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 294 [2021-06-14 09:56:50,817 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 356 [2021-06-14 09:56:51,642 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 270 [2021-06-14 09:56:51,846 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 335 [2021-06-14 09:56:52,230 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2021-06-14 09:56:52,794 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 504 [2021-06-14 09:56:54,070 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 838 DAG size of output: 751 [2021-06-14 09:56:56,942 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1090 [2021-06-14 09:57:01,549 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 1724 DAG size of output: 1328 [2021-06-14 09:57:07,310 WARN L205 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 1886 DAG size of output: 1547 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown