/usr/bin/java -Xmx16000000000 -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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 16:17:23,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 16:17:23,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 16:17:23,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 16:17:23,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 16:17:23,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 16:17:23,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 16:17:23,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 16:17:23,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 16:17:23,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 16:17:23,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 16:17:23,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 16:17:23,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 16:17:23,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 16:17:23,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 16:17:23,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 16:17:23,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 16:17:23,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 16:17:23,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 16:17:23,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 16:17:23,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 16:17:23,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 16:17:23,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 16:17:23,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 16:17:23,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 16:17:23,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 16:17:23,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 16:17:23,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 16:17:23,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 16:17:23,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 16:17:23,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 16:17:23,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 16:17:23,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 16:17:23,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 16:17:23,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 16:17:23,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 16:17:23,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 16:17:23,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 16:17:23,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 16:17:23,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 16:17:23,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 16:17:23,154 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-Sleep-NoLbe-New_States.epf [2021-03-12 16:17:23,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 16:17:23,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 16:17:23,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 16:17:23,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 16:17:23,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 16:17:23,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 16:17:23,203 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 16:17:23,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 16:17:23,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 16:17:23,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 16:17:23,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 16:17:23,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 16:17:23,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 16:17:23,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 16:17:23,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 16:17:23,205 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 16:17:23,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 16:17:23,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 16:17:23,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 16:17:23,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 16:17:23,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 16:17:23,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 16:17:23,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 16:17:23,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 16:17:23,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 16:17:23,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 16:17:23,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 16:17:23,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 16:17:23,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 16:17:23,207 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 16:17:23,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 16:17:23,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 16:17:23,208 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 16:17:23,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 16:17:23,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 16:17:23,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 16:17:23,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 16:17:23,614 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 16:17:23,615 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 16:17:23,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-03-12 16:17:23,618 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-03-12 16:17:23,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 16:17:23,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 16:17:23,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 16:17:23,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 16:17:23,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 16:17:23,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 16:17:23,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 16:17:23,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 16:17:23,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 16:17:23,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/1) ... [2021-03-12 16:17:23,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 16:17:23,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 16:17:23,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 16:17:23,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 16:17:23,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (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 [2021-03-12 16:17:23,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 16:17:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 16:17:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 16:17:23,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 16:17:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 16:17:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 16:17:23,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 16:17:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 16:17:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 16:17:23,796 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 16:17:24,097 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 16:17:24,098 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-03-12 16:17:24,098 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-12 16:17:24,099 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-03-12 16:17:24,100 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 04:17:24 BoogieIcfgContainer [2021-03-12 16:17:24,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 16:17:24,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 16:17:24,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 16:17:24,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 16:17:24,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:17:23" (1/2) ... [2021-03-12 16:17:24,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d3ff67 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 04:17:24, skipping insertion in model container [2021-03-12 16:17:24,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 04:17:24" (2/2) ... [2021-03-12 16:17:24,110 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-03-12 16:17:24,116 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 16:17:24,116 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 16:17:24,120 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 16:17:24,121 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 16:17:24,161 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 16:17:24,195 INFO L253 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 [2021-03-12 16:17:24,243 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 16:17:24,244 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 16:17:24,244 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 16:17:24,244 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 16:17:24,244 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 16:17:24,244 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 16:17:24,244 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 16:17:24,244 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 16:17:24,274 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:24,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:24,280 INFO L82 PathProgramCache]: Analyzing trace with hash -525039273, now seen corresponding path program 1 times [2021-03-12 16:17:24,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:24,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074128495] [2021-03-12 16:17:24,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:24,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:24,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074128495] [2021-03-12 16:17:24,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 16:17:24,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 16:17:24,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158116187] [2021-03-12 16:17:24,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 16:17:24,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:24,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 16:17:24,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 16:17:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:24,437 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:24,439 INFO L481 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) [2021-03-12 16:17:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:24,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:24,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 16:17:24,455 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:24,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:24,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1892497481, now seen corresponding path program 1 times [2021-03-12 16:17:24,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:24,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954989827] [2021-03-12 16:17:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:24,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954989827] [2021-03-12 16:17:24,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984439376] [2021-03-12 16:17:24,506 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 [2021-03-12 16:17:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:24,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-12 16:17:24,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:24,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:24,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-12 16:17:24,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459273874] [2021-03-12 16:17:24,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 16:17:24,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:24,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 16:17:24,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 16:17:24,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:24,703 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:24,703 INFO L481 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) [2021-03-12 16:17:24,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:24,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:24,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:24,980 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:24,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:24,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1462847702, now seen corresponding path program 1 times [2021-03-12 16:17:24,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:24,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663154069] [2021-03-12 16:17:24,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 16:17:25,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663154069] [2021-03-12 16:17:25,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777747257] [2021-03-12 16:17:25,044 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 [2021-03-12 16:17:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:25,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-12 16:17:25,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 16:17:25,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:25,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-12 16:17:25,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454617628] [2021-03-12 16:17:25,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 16:17:25,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:25,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 16:17:25,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 16:17:25,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:25,122 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:25,123 INFO L481 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) [2021-03-12 16:17:25,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:25,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:25,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:25,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:25,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:25,366 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:25,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:25,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1595502390, now seen corresponding path program 2 times [2021-03-12 16:17:25,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:25,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22402537] [2021-03-12 16:17:25,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 16:17:25,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22402537] [2021-03-12 16:17:25,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986202516] [2021-03-12 16:17:25,423 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 [2021-03-12 16:17:25,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:17:25,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:17:25,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 16:17:25,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:25,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 16:17:25,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:25,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-12 16:17:25,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794991799] [2021-03-12 16:17:25,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 16:17:25,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:25,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 16:17:25,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 16:17:25,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:25,577 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:25,577 INFO L481 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) [2021-03-12 16:17:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:25,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:25,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:25,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:25,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:25,823 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:25,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:25,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1412830422, now seen corresponding path program 3 times [2021-03-12 16:17:25,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:25,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104165565] [2021-03-12 16:17:25,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 16:17:25,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104165565] [2021-03-12 16:17:25,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910377869] [2021-03-12 16:17:25,924 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 [2021-03-12 16:17:25,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 16:17:25,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:17:25,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 16:17:25,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 16:17:26,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:26,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-12 16:17:26,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529137447] [2021-03-12 16:17:26,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 16:17:26,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:26,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 16:17:26,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-12 16:17:26,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:26,066 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:26,067 INFO L481 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) [2021-03-12 16:17:26,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:26,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:26,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:26,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:26,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:26,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:26,355 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:26,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:26,356 INFO L82 PathProgramCache]: Analyzing trace with hash 44966710, now seen corresponding path program 4 times [2021-03-12 16:17:26,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:26,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651849385] [2021-03-12 16:17:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:26,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651849385] [2021-03-12 16:17:26,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956137841] [2021-03-12 16:17:26,412 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) [2021-03-12 16:17:26,462 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 16:17:26,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:26,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-12 16:17:26,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:26,595 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:17:26,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-03-12 16:17:26,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:17:26,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:17:26,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:17:26,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-03-12 16:17:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:26,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:26,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-03-12 16:17:26,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210287420] [2021-03-12 16:17:26,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 16:17:26,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:26,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 16:17:26,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-12 16:17:26,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:26,658 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:26,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 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) [2021-03-12 16:17:26,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:26,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:26,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:26,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:26,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:26,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:26,907 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:26,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:26,908 INFO L82 PathProgramCache]: Analyzing trace with hash 590864598, now seen corresponding path program 5 times [2021-03-12 16:17:26,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:26,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733488552] [2021-03-12 16:17:26,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:26,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733488552] [2021-03-12 16:17:26,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934164374] [2021-03-12 16:17:26,980 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) [2021-03-12 16:17:27,018 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 16:17:27,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:27,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 16:17:27,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:27,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:27,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-03-12 16:17:27,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195268095] [2021-03-12 16:17:27,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 16:17:27,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:27,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 16:17:27,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-12 16:17:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:27,125 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:27,126 INFO L481 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) [2021-03-12 16:17:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:27,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:27,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:27,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:27,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:27,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-12 16:17:27,459 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:27,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:27,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1137660823, now seen corresponding path program 6 times [2021-03-12 16:17:27,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:27,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932985807] [2021-03-12 16:17:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 16:17:27,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932985807] [2021-03-12 16:17:27,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794064726] [2021-03-12 16:17:27,559 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 [2021-03-12 16:17:27,587 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 16:17:27,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:17:27,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-12 16:17:27,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 16:17:27,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:27,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-03-12 16:17:27,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778004906] [2021-03-12 16:17:27,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 16:17:27,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:27,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 16:17:27,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-03-12 16:17:27,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:27,657 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:27,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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) [2021-03-12 16:17:27,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:27,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:27,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:27,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:27,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:27,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:27,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:27,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:27,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:27,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:27,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-12 16:17:27,991 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:27,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:27,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1759521079, now seen corresponding path program 7 times [2021-03-12 16:17:27,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:27,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384589377] [2021-03-12 16:17:27,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 16:17:28,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384589377] [2021-03-12 16:17:28,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36274632] [2021-03-12 16:17:28,108 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) [2021-03-12 16:17:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:28,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 16:17:28,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 16:17:28,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:28,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-03-12 16:17:28,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374416683] [2021-03-12 16:17:28,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 16:17:28,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:28,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 16:17:28,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-03-12 16:17:28,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:28,252 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:28,252 INFO L481 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) [2021-03-12 16:17:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:28,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:28,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:28,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:28,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:28,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-12 16:17:28,599 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:28,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:28,600 INFO L82 PathProgramCache]: Analyzing trace with hash -437647465, now seen corresponding path program 8 times [2021-03-12 16:17:28,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:28,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466712515] [2021-03-12 16:17:28,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 16:17:28,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466712515] [2021-03-12 16:17:28,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853436558] [2021-03-12 16:17:28,737 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 [2021-03-12 16:17:28,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:17:28,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:17:28,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-12 16:17:28,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 16:17:28,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:28,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-03-12 16:17:28,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620718475] [2021-03-12 16:17:28,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 16:17:28,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:28,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 16:17:28,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-03-12 16:17:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:28,891 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:28,891 INFO L481 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) [2021-03-12 16:17:28,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:28,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:28,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:28,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:28,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:28,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:28,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:28,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:28,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:28,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:29,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:29,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:29,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:29,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-12 16:17:29,299 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:29,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:29,300 INFO L82 PathProgramCache]: Analyzing trace with hash 169604407, now seen corresponding path program 9 times [2021-03-12 16:17:29,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:29,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664836617] [2021-03-12 16:17:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:29,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664836617] [2021-03-12 16:17:29,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120134117] [2021-03-12 16:17:29,421 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 [2021-03-12 16:17:29,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 16:17:29,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:17:29,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-12 16:17:29,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:29,819 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-03-12 16:17:29,819 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:17:29,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-03-12 16:17:31,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:17:31,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:17:31,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:17:31,580 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-03-12 16:17:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:31,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:31,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-03-12 16:17:31,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620673667] [2021-03-12 16:17:31,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 16:17:31,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:31,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 16:17:31,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-03-12 16:17:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:31,587 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:31,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 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) [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:31,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:31,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:31,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:31,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:31,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-12 16:17:31,892 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:31,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:31,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1814543255, now seen corresponding path program 10 times [2021-03-12 16:17:31,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:31,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975016106] [2021-03-12 16:17:31,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:32,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975016106] [2021-03-12 16:17:32,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916677437] [2021-03-12 16:17:32,025 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 [2021-03-12 16:17:32,065 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 16:17:32,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:17:32,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-03-12 16:17:32,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:32,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:32,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-03-12 16:17:32,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369963609] [2021-03-12 16:17:32,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 16:17:32,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:32,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 16:17:32,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-03-12 16:17:32,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:32,173 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:32,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 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) [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:32,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:32,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:17:32,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable304 [2021-03-12 16:17:32,571 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:32,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:32,572 INFO L82 PathProgramCache]: Analyzing trace with hash 416993526, now seen corresponding path program 11 times [2021-03-12 16:17:32,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:32,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130678389] [2021-03-12 16:17:32,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:32,722 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 16:17:32,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130678389] [2021-03-12 16:17:32,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788529072] [2021-03-12 16:17:32,722 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) [2021-03-12 16:17:32,773 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 16:17:32,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:32,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 16:17:32,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:33,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:33,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2021-03-12 16:17:33,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225111106] [2021-03-12 16:17:33,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 16:17:33,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:33,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 16:17:33,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-03-12 16:17:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:33,101 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:33,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 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) [2021-03-12 16:17:33,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:33,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:17:33,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:17:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:17:33,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable305 [2021-03-12 16:17:33,981 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:33,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:33,982 INFO L82 PathProgramCache]: Analyzing trace with hash 655261526, now seen corresponding path program 12 times [2021-03-12 16:17:33,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:33,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742257271] [2021-03-12 16:17:33,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 16:17:34,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742257271] [2021-03-12 16:17:34,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574906925] [2021-03-12 16:17:34,178 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 [2021-03-12 16:17:34,223 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 16:17:34,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:17:34,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-12 16:17:34,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:34,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:34,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-03-12 16:17:34,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105164562] [2021-03-12 16:17:34,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-12 16:17:34,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:34,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-12 16:17:34,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-03-12 16:17:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:34,538 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:34,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 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) [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:17:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:17:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:34,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:17:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:17:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:17:35,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:35,167 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:35,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:35,168 INFO L82 PathProgramCache]: Analyzing trace with hash -548365066, now seen corresponding path program 13 times [2021-03-12 16:17:35,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:35,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355519686] [2021-03-12 16:17:35,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 16:17:35,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355519686] [2021-03-12 16:17:35,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232055140] [2021-03-12 16:17:35,355 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 [2021-03-12 16:17:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:35,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 16:17:35,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:35,597 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 16:17:35,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:17:35,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-03-12 16:17:35,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803570441] [2021-03-12 16:17:35,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 16:17:35,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:17:35,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 16:17:35,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-03-12 16:17:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:35,602 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:17:35,602 INFO L481 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) [2021-03-12 16:17:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:35,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:35,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:35,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:35,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:17:35,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:17:35,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:17:35,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:17:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:17:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:17:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:17:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:17:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:17:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:17:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:17:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:17:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:17:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:17:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:17:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:17:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:17:36,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable307,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:17:36,217 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:17:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:17:36,218 INFO L82 PathProgramCache]: Analyzing trace with hash 793916246, now seen corresponding path program 14 times [2021-03-12 16:17:36,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:17:36,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507797215] [2021-03-12 16:17:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:17:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:17:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:17:36,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507797215] [2021-03-12 16:17:36,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773991683] [2021-03-12 16:17:36,339 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 [2021-03-12 16:17:36,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:17:36,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:17:36,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-03-12 16:17:36,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:17:37,024 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-03-12 16:17:37,025 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:17:37,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-03-12 16:17:40,221 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1553 [2021-03-12 16:17:43,259 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 3619 DAG size of output: 2867 [2021-03-12 16:17:43,507 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 2912 [2021-03-12 16:17:43,769 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 3688 DAG size of output: 2936 [2021-03-12 16:17:44,009 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 3688 DAG size of output: 2936 [2021-03-12 16:17:44,278 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 3707 DAG size of output: 2955 [2021-03-12 16:17:44,514 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 2957 DAG size of output: 2919 [2021-03-12 16:17:44,844 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 2916 DAG size of output: 3238 [2021-03-12 16:17:45,057 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1269 DAG size of output: 1631 [2021-03-12 16:17:45,207 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1240 DAG size of output: 1242 [2021-03-12 16:17:46,019 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1800 [2021-03-12 16:17:46,189 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1116 DAG size of output: 1584 [2021-03-12 16:17:46,369 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1192 [2021-03-12 16:17:46,531 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1106 DAG size of output: 1162 [2021-03-12 16:17:46,657 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1103 DAG size of output: 1239 [2021-03-12 16:17:50,653 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 883 [2021-03-12 16:17:50,780 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 933 [2021-03-12 16:17:50,913 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 949 [2021-03-12 16:17:55,068 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1200 DAG size of output: 1025 [2021-03-12 16:17:55,440 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 1951 DAG size of output: 1511 [2021-03-12 16:17:55,766 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 2221 DAG size of output: 1709 [2021-03-12 16:17:56,150 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 2843 DAG size of output: 2029 [2021-03-12 16:17:56,566 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 3123 DAG size of output: 2317 [2021-03-12 16:17:56,763 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1109 DAG size of output: 1165 [2021-03-12 16:17:57,138 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 1290 [2021-03-12 16:18:01,225 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1498 DAG size of output: 1079 [2021-03-12 16:18:01,402 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1780 DAG size of output: 1229 [2021-03-12 16:18:01,593 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1812 DAG size of output: 1266 [2021-03-12 16:18:01,827 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1841 DAG size of output: 1293 [2021-03-12 16:18:02,086 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 1577 [2021-03-12 16:18:02,777 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 4045 DAG size of output: 3041 [2021-03-12 16:18:03,545 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 4503 DAG size of output: 3258 [2021-03-12 16:18:04,399 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 5235 DAG size of output: 3764 [2021-03-12 16:18:05,288 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 5494 DAG size of output: 3917 [2021-03-12 16:18:06,247 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 5979 DAG size of output: 4151 [2021-03-12 16:18:06,634 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 2696 DAG size of output: 3549 [2021-03-12 16:18:06,828 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 2526 DAG size of output: 2520 [2021-03-12 16:18:06,998 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 2514 [2021-03-12 16:18:07,179 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 2491 DAG size of output: 2491 [2021-03-12 16:18:07,491 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 2450 DAG size of output: 3011 [2021-03-12 16:18:07,660 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 2239 DAG size of output: 2239 [2021-03-12 16:18:07,851 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1340 DAG size of output: 1950 [2021-03-12 16:18:08,010 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 1353 [2021-03-12 16:18:08,219 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1622 [2021-03-12 16:18:10,687 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1826 DAG size of output: 1159 [2021-03-12 16:18:10,898 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 696 [2021-03-12 16:18:13,442 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1637 DAG size of output: 1014 [2021-03-12 16:18:13,599 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1258 [2021-03-12 16:18:13,771 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1882 DAG size of output: 1299 [2021-03-12 16:18:14,087 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 3503 DAG size of output: 2228 [2021-03-12 16:18:14,506 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 4062 DAG size of output: 2844 [2021-03-12 16:18:17,656 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 793 [2021-03-12 16:18:17,789 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1312 DAG size of output: 975 [2021-03-12 16:18:17,958 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1765 DAG size of output: 1390 [2021-03-12 16:18:18,170 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 2048 DAG size of output: 1773 [2021-03-12 16:18:21,637 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 1013 [2021-03-12 16:18:21,766 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1564 DAG size of output: 1049 [2021-03-12 16:18:21,917 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1719 DAG size of output: 1217 [2021-03-12 16:18:22,105 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 2185 DAG size of output: 1608 [2021-03-12 16:18:22,329 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 2477 DAG size of output: 1968 [2021-03-12 16:18:22,807 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 4257 DAG size of output: 3316 [2021-03-12 16:18:23,697 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 6624 DAG size of output: 4574 [2021-03-12 16:18:24,718 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 7390 DAG size of output: 5309 [2021-03-12 16:18:24,889 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1287 DAG size of output: 1858 [2021-03-12 16:18:27,642 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1692 DAG size of output: 1241 [2021-03-12 16:18:27,808 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 2080 DAG size of output: 1629 [2021-03-12 16:18:29,786 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1874 DAG size of output: 1285 [2021-03-12 16:18:29,929 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1934 DAG size of output: 1329 [2021-03-12 16:18:30,275 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 3085 DAG size of output: 2136 [2021-03-12 16:18:32,364 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1819 DAG size of output: 1361 [2021-03-12 16:18:34,415 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 894 [2021-03-12 16:18:34,669 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1894 DAG size of output: 1537 [2021-03-12 16:18:34,965 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2558 DAG size of output: 1909 [2021-03-12 16:18:35,284 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 2581 DAG size of output: 1951 [2021-03-12 16:18:35,959 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 5310 DAG size of output: 3579 [2021-03-12 16:18:36,744 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 5881 DAG size of output: 4155 [2021-03-12 16:18:38,578 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 12040 DAG size of output: 7625 [2021-03-12 16:18:40,637 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 13365 DAG size of output: 9119 [2021-03-12 16:18:43,338 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 13822 DAG size of output: 9335 [2021-03-12 16:18:45,730 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 13948 DAG size of output: 9411 [2021-03-12 16:18:48,527 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 14434 DAG size of output: 9767 [2021-03-12 16:18:51,013 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 15671 DAG size of output: 10879 [2021-03-12 16:18:54,591 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 20488 DAG size of output: 13814 [2021-03-12 16:18:58,287 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 20503 DAG size of output: 13828 [2021-03-12 16:19:01,996 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 20503 DAG size of output: 13828 [2021-03-12 16:19:05,793 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 20512 DAG size of output: 13837 [2021-03-12 16:19:09,348 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 13839 DAG size of output: 15092 [2021-03-12 16:19:11,641 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 12286 DAG size of output: 12153 [2021-03-12 16:19:14,400 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 12143 DAG size of output: 13252 [2021-03-12 16:19:16,680 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 12125 DAG size of output: 12114 [2021-03-12 16:19:18,624 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 9105 DAG size of output: 10408 [2021-03-12 16:19:21,077 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 8954 DAG size of output: 11863 [2021-03-12 16:19:22,500 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 8719 DAG size of output: 8688 [2021-03-12 16:19:24,705 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 7656 DAG size of output: 9380 [2021-03-12 16:19:25,639 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 5136 DAG size of output: 4648 [2021-03-12 16:19:27,021 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 4346 DAG size of output: 4209 [2021-03-12 16:19:27,671 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 3012 DAG size of output: 2968 [2021-03-12 16:19:27,953 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 1737 [2021-03-12 16:19:28,080 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 973 DAG size of output: 973 [2021-03-12 16:19:30,654 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 975 [2021-03-12 16:19:30,781 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-03-12 16:19:33,201 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 530 [2021-03-12 16:19:33,475 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1108 [2021-03-12 16:19:33,800 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 2132 [2021-03-12 16:19:33,918 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1239 DAG size of output: 1239 [2021-03-12 16:19:37,576 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 1741 [2021-03-12 16:19:41,430 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1800 DAG size of output: 989 [2021-03-12 16:19:41,662 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 2266 DAG size of output: 1322 [2021-03-12 16:19:42,128 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 3176 DAG size of output: 1909 [2021-03-12 16:19:42,687 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 4278 DAG size of output: 2963 [2021-03-12 16:19:43,334 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 4564 DAG size of output: 3072 [2021-03-12 16:19:44,470 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 10141 DAG size of output: 5470 [2021-03-12 16:19:44,696 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1507 DAG size of output: 1715 [2021-03-12 16:19:44,961 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1423 DAG size of output: 2052 [2021-03-12 16:19:45,193 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1408 DAG size of output: 1802 [2021-03-12 16:19:45,652 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1174 DAG size of output: 1426 [2021-03-12 16:19:47,190 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1814 DAG size of output: 1424 [2021-03-12 16:19:48,368 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1767 [2021-03-12 16:19:48,698 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 921 [2021-03-12 16:19:50,109 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1560 DAG size of output: 1366 [2021-03-12 16:19:50,296 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 2044 DAG size of output: 1742 [2021-03-12 16:19:51,548 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 2680 DAG size of output: 2197 [2021-03-12 16:19:52,037 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 3888 DAG size of output: 2983 [2021-03-12 16:19:52,599 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 4003 DAG size of output: 3095 [2021-03-12 16:19:53,150 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 4039 DAG size of output: 3110 [2021-03-12 16:19:53,394 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1309 DAG size of output: 1599 [2021-03-12 16:19:53,630 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1213 DAG size of output: 1773 [2021-03-12 16:19:53,786 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1157 [2021-03-12 16:19:54,132 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 1414 [2021-03-12 16:19:55,486 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1392 [2021-03-12 16:19:56,697 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1338 DAG size of output: 1127 [2021-03-12 16:19:56,946 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 2179 DAG size of output: 1891 [2021-03-12 16:19:57,260 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2244 DAG size of output: 1965 [2021-03-12 16:19:57,542 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 2263 DAG size of output: 1980 [2021-03-12 16:19:57,830 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 2264 DAG size of output: 1880 [2021-03-12 16:19:57,951 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1300 DAG size of output: 1300 [2021-03-12 16:19:58,060 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1285 DAG size of output: 1285 [2021-03-12 16:19:58,269 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1816 [2021-03-12 16:20:00,764 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1518 [2021-03-12 16:20:00,964 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1983 DAG size of output: 1437 [2021-03-12 16:20:01,252 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 2023 DAG size of output: 1471 [2021-03-12 16:20:01,478 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1495 [2021-03-12 16:20:01,966 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 3356 DAG size of output: 2581 [2021-03-12 16:20:02,973 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 6328 DAG size of output: 4219 [2021-03-12 16:20:03,214 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1213 DAG size of output: 1529 [2021-03-12 16:20:03,435 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 1385 [2021-03-12 16:20:05,083 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 951 [2021-03-12 16:20:05,195 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 971 [2021-03-12 16:20:05,304 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1121 [2021-03-12 16:20:06,900 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1751 DAG size of output: 1466 [2021-03-12 16:20:07,062 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1784 DAG size of output: 1490 [2021-03-12 16:20:07,234 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1816 DAG size of output: 1518 [2021-03-12 16:20:07,442 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1327 [2021-03-12 16:20:07,724 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1006 DAG size of output: 1218 [2021-03-12 16:20:09,000 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1352 DAG size of output: 1136 [2021-03-12 16:20:09,140 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1396 DAG size of output: 1178 [2021-03-12 16:20:10,496 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 915 [2021-03-12 16:20:10,785 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1961 DAG size of output: 1511 [2021-03-12 16:20:11,014 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1997 DAG size of output: 1541 [2021-03-12 16:20:11,449 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 3495 DAG size of output: 2358 [2021-03-12 16:20:12,937 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 7405 DAG size of output: 4830 [2021-03-12 16:20:13,080 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 954 [2021-03-12 16:20:13,192 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 913 [2021-03-12 16:20:16,210 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1122 DAG size of output: 687 [2021-03-12 16:20:16,596 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1877 DAG size of output: 1140 [2021-03-12 16:20:16,716 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 867 [2021-03-12 16:20:16,831 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 972 [2021-03-12 16:20:16,940 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 898 [2021-03-12 16:20:18,031 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-03-12 16:20:18,693 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1580 DAG size of output: 964 [2021-03-12 16:20:18,820 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1581 DAG size of output: 965 [2021-03-12 16:20:18,991 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 899 [2021-03-12 16:20:20,776 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 884 [2021-03-12 16:20:20,989 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 2237 DAG size of output: 1374 [2021-03-12 16:20:21,380 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 3696 DAG size of output: 2089 [2021-03-12 16:20:21,507 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 832 [2021-03-12 16:20:21,801 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-03-12 16:20:23,180 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 774 [2021-03-12 16:20:25,073 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 2093 DAG size of output: 1262 [2021-03-12 16:20:25,712 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 4528 DAG size of output: 2660 [2021-03-12 16:20:27,485 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 11076 DAG size of output: 6061 [2021-03-12 16:20:30,000 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 20450 DAG size of output: 8258 [2021-03-12 16:20:33,117 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 24565 DAG size of output: 10232 [2021-03-12 16:20:36,565 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 26385 DAG size of output: 11105 [2021-03-12 16:20:37,440 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 3591 DAG size of output: 3763 [2021-03-12 16:20:38,051 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 3522 DAG size of output: 3518 [2021-03-12 16:20:38,864 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 2894 DAG size of output: 2894 [2021-03-12 16:20:39,664 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 2841 DAG size of output: 3376 [2021-03-12 16:20:40,168 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 2811 DAG size of output: 2811 [2021-03-12 16:20:41,789 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 2590 [2021-03-12 16:20:42,003 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1519 DAG size of output: 1463 [2021-03-12 16:20:42,188 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1245 DAG size of output: 1245 [2021-03-12 16:20:42,345 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1003 [2021-03-12 16:20:42,663 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 839 DAG size of output: 839 [2021-03-12 16:20:42,789 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-03-12 16:20:45,517 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 840 [2021-03-12 16:20:46,410 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1346 DAG size of output: 991 [2021-03-12 16:20:46,717 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2848 DAG size of output: 1713 [2021-03-12 16:20:46,863 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1178 DAG size of output: 1178 [2021-03-12 16:20:47,102 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1113 [2021-03-12 16:20:47,213 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-03-12 16:20:49,403 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 956 [2021-03-12 16:20:49,540 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1055 [2021-03-12 16:20:49,687 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1096 [2021-03-12 16:20:50,199 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 4009 DAG size of output: 2635 [2021-03-12 16:20:50,858 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 4821 DAG size of output: 2922 [2021-03-12 16:20:51,487 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 4877 DAG size of output: 2975 [2021-03-12 16:20:52,201 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 5416 DAG size of output: 3501 [2021-03-12 16:20:53,024 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 5685 DAG size of output: 3755 [2021-03-12 16:20:54,458 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 403 [2021-03-12 16:20:55,272 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 832 [2021-03-12 16:20:58,090 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 812 [2021-03-12 16:20:58,346 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1117 [2021-03-12 16:20:59,852 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1021 DAG size of output: 943 [2021-03-12 16:21:00,243 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 1937 DAG size of output: 1542 [2021-03-12 16:21:00,653 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 2893 DAG size of output: 2010 [2021-03-12 16:21:04,695 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 33515 DAG size of output: 12904 [2021-03-12 16:21:09,149 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 34798 DAG size of output: 13460 [2021-03-12 16:21:13,962 WARN L205 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 35091 DAG size of output: 13664 [2021-03-12 16:21:19,164 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 38686 DAG size of output: 16158 [2021-03-12 16:21:24,392 WARN L205 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 38686 DAG size of output: 16158 [2021-03-12 16:21:29,698 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 38694 DAG size of output: 16166 [2021-03-12 16:21:35,037 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 16168 DAG size of output: 18114 [2021-03-12 16:21:39,804 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 14809 DAG size of output: 17687 [2021-03-12 16:21:44,708 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 14714 DAG size of output: 16389 [2021-03-12 16:21:48,745 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 14705 DAG size of output: 16875 [2021-03-12 16:21:52,072 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 14697 DAG size of output: 15164 [2021-03-12 16:21:54,857 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 14558 DAG size of output: 14551 [2021-03-12 16:21:57,502 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 12084 DAG size of output: 12939 [2021-03-12 16:22:06,633 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 947 [2021-03-12 16:22:08,013 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 1157 [2021-03-12 16:22:10,013 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1731 DAG size of output: 1702 [2021-03-12 16:22:10,537 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 1630 [2021-03-12 16:22:24,177 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 6153 DAG size of output: 3549 [2021-03-12 16:22:24,685 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 2735 DAG size of output: 2803 [2021-03-12 16:22:25,045 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 2720 DAG size of output: 2712 [2021-03-12 16:22:26,451 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 2188 [2021-03-12 16:22:27,193 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1892 DAG size of output: 1929 [2021-03-12 16:22:27,785 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1814 DAG size of output: 1788 [2021-03-12 16:22:31,818 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 6558 DAG size of output: 3797 [2021-03-12 16:22:32,860 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 7323 DAG size of output: 4321 [2021-03-12 16:22:33,990 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 8967 DAG size of output: 4694 [2021-03-12 16:22:35,721 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 15677 DAG size of output: 7230 [2021-03-12 16:22:37,692 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 18252 DAG size of output: 7849 [2021-03-12 16:22:40,071 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 21601 DAG size of output: 9240 [2021-03-12 16:22:42,427 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 21601 DAG size of output: 9240 [2021-03-12 16:22:44,920 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 21603 DAG size of output: 9242 [2021-03-12 16:22:46,322 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 9238 DAG size of output: 8230 [2021-03-12 16:22:48,182 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 8232 DAG size of output: 8846 [2021-03-12 16:22:48,876 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 5917 DAG size of output: 4290 [2021-03-12 16:22:49,395 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 3833 DAG size of output: 3768 [2021-03-12 16:22:49,915 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 3599 DAG size of output: 3583 [2021-03-12 16:22:50,134 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1697 [2021-03-12 16:22:50,290 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1403 DAG size of output: 1386 [2021-03-12 16:22:50,463 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1220 [2021-03-12 16:22:50,766 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 827 [2021-03-12 16:22:52,560 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 2326 DAG size of output: 2605 [2021-03-12 16:22:52,828 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 2172 DAG size of output: 2161 [2021-03-12 16:22:53,077 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 2074 DAG size of output: 2069 [2021-03-12 16:22:53,330 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1832 DAG size of output: 1832 [2021-03-12 16:22:53,493 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1540 DAG size of output: 1540 [2021-03-12 16:22:53,627 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-03-12 16:22:55,348 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 300 [2021-03-12 16:22:55,980 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 2763 DAG size of output: 884 [2021-03-12 16:22:56,296 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 2907 DAG size of output: 971 [2021-03-12 16:22:57,049 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 1093 [2021-03-12 16:22:57,513 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 6567 DAG size of output: 2230 [2021-03-12 16:22:57,987 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 6567 DAG size of output: 2230 [2021-03-12 16:22:58,700 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 6574 DAG size of output: 2327 [2021-03-12 16:22:58,887 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1022 [2021-03-12 16:22:59,729 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1551 DAG size of output: 580 [2021-03-12 16:23:00,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:23:00,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:23:00,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:23:00,340 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-03-12 16:23:00,350 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:23:00,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:23:00,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-03-12 16:23:00,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249790111] [2021-03-12 16:23:00,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-03-12 16:23:00,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:23:00,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-03-12 16:23:00,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2021-03-12 16:23:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:00,352 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:23:00,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 29 states have internal predecessors, (44), 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) [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:00,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:00,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:00,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:00,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable308,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:23:00,704 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:23:00,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:23:00,704 INFO L82 PathProgramCache]: Analyzing trace with hash -545036042, now seen corresponding path program 15 times [2021-03-12 16:23:00,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:23:00,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872359065] [2021-03-12 16:23:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:23:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:23:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 66 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:23:00,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872359065] [2021-03-12 16:23:00,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825438905] [2021-03-12 16:23:00,846 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 [2021-03-12 16:23:00,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-03-12 16:23:00,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:23:00,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-12 16:23:00,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:23:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 78 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:23:00,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:23:00,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2021-03-12 16:23:00,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992425069] [2021-03-12 16:23:00,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 16:23:00,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:23:00,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 16:23:00,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2021-03-12 16:23:00,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:00,976 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:23:00,976 INFO L481 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) [2021-03-12 16:23:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:23:01,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37682 [2021-03-12 16:23:01,423 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:23:01,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:23:01,423 INFO L82 PathProgramCache]: Analyzing trace with hash 284479351, now seen corresponding path program 16 times [2021-03-12 16:23:01,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:23:01,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590286332] [2021-03-12 16:23:01,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:23:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:23:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-12 16:23:01,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590286332] [2021-03-12 16:23:01,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316622384] [2021-03-12 16:23:01,617 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 [2021-03-12 16:23:01,653 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 16:23:01,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:23:01,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 29 conjunts are in the unsatisfiable core [2021-03-12 16:23:01,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:23:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-12 16:23:01,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:23:01,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-03-12 16:23:01,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477077184] [2021-03-12 16:23:01,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-12 16:23:01,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:23:01,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-12 16:23:01,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-12 16:23:01,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:01,895 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:23:01,896 INFO L481 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) [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:01,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:01,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:01,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:01,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:01,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:01,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:01,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:23:01,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:23:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 16:23:02,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37683,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:23:02,620 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:23:02,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:23:02,621 INFO L82 PathProgramCache]: Analyzing trace with hash 2041519383, now seen corresponding path program 17 times [2021-03-12 16:23:02,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:23:02,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409407034] [2021-03-12 16:23:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:23:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:23:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-12 16:23:02,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409407034] [2021-03-12 16:23:02,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834358382] [2021-03-12 16:23:02,843 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 [2021-03-12 16:23:02,900 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-03-12 16:23:02,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:23:02,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-03-12 16:23:02,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:23:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-12 16:23:03,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:23:03,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-03-12 16:23:03,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636285261] [2021-03-12 16:23:03,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-03-12 16:23:03,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:23:03,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-03-12 16:23:03,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-03-12 16:23:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:03,140 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:23:03,140 INFO L481 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) [2021-03-12 16:23:03,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:03,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 16:23:03,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:23:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 16:23:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 16:23:03,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37684,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:23:03,838 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:23:03,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:23:03,838 INFO L82 PathProgramCache]: Analyzing trace with hash 675185527, now seen corresponding path program 18 times [2021-03-12 16:23:03,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:23:03,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931510592] [2021-03-12 16:23:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:23:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:23:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-12 16:23:04,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931510592] [2021-03-12 16:23:04,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223275268] [2021-03-12 16:23:04,062 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:23:04,109 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-03-12 16:23:04,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:23:04,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 33 conjunts are in the unsatisfiable core [2021-03-12 16:23:04,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:23:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-12 16:23:04,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:23:04,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-03-12 16:23:04,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714505043] [2021-03-12 16:23:04,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-03-12 16:23:04,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:23:04,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-03-12 16:23:04,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=917, Unknown=0, NotChecked=0, Total=992 [2021-03-12 16:23:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:04,364 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:23:04,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.25) internal successors, (40), 31 states have internal predecessors, (40), 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) [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:04,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:23:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 16:23:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 16:23:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:23:04,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 16:23:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 16:23:05,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37685 [2021-03-12 16:23:05,163 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:23:05,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:23:05,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1268508951, now seen corresponding path program 19 times [2021-03-12 16:23:05,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:23:05,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772413154] [2021-03-12 16:23:05,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:23:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:23:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:23:05,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772413154] [2021-03-12 16:23:05,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911485392] [2021-03-12 16:23:05,318 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:23:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:23:05,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-03-12 16:23:05,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:23:06,656 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2021-03-12 16:23:06,656 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:23:06,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 31 new quantified variables, introduced 120 case distinctions, treesize of input 71 treesize of output 1012 [2021-03-12 16:23:10,717 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 2076 DAG size of output: 1505 [2021-03-12 16:23:13,396 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1599 DAG size of output: 1259 [2021-03-12 16:23:13,600 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 3433 DAG size of output: 1884 [2021-03-12 16:23:17,095 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 2110 DAG size of output: 1535 [2021-03-12 16:23:19,626 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1290 [2021-03-12 16:23:19,815 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 3472 DAG size of output: 1922 [2021-03-12 16:23:20,212 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 6589 DAG size of output: 3519 [2021-03-12 16:23:20,680 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 6641 DAG size of output: 3551 [2021-03-12 16:23:24,172 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 2076 DAG size of output: 1504 [2021-03-12 16:23:26,610 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1600 DAG size of output: 1261 [2021-03-12 16:23:26,801 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 3433 DAG size of output: 1872 [2021-03-12 16:23:31,085 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 886 DAG size of output: 714 [2021-03-12 16:23:33,333 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 3450 DAG size of output: 1886 [2021-03-12 16:23:33,739 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 6564 DAG size of output: 3482 [2021-03-12 16:23:34,176 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 6598 DAG size of output: 3518 [2021-03-12 16:23:35,069 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 12880 DAG size of output: 5666 [2021-03-12 16:23:35,955 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 12913 DAG size of output: 5704 [2021-03-12 16:23:36,926 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 12945 DAG size of output: 5737 [2021-03-12 16:23:39,367 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1291 [2021-03-12 16:23:42,614 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1173 DAG size of output: 883 [2021-03-12 16:23:42,805 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 2110 DAG size of output: 1535 [2021-03-12 16:23:42,997 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 3472 DAG size of output: 1923 [2021-03-12 16:23:45,396 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1663 DAG size of output: 1321 [2021-03-12 16:23:46,823 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 773 [2021-03-12 16:23:48,726 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 2142 DAG size of output: 1563 [2021-03-12 16:23:48,968 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 3509 DAG size of output: 1960 [2021-03-12 16:23:49,365 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 6639 DAG size of output: 3572 [2021-03-12 16:23:49,790 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 6691 DAG size of output: 3605 [2021-03-12 16:23:52,776 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 777 [2021-03-12 16:23:56,165 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 3491 DAG size of output: 1925 [2021-03-12 16:23:59,607 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 2110 DAG size of output: 1534 [2021-03-12 16:24:02,008 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 1294 [2021-03-12 16:24:02,198 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 3472 DAG size of output: 1909 [2021-03-12 16:24:02,605 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 6617 DAG size of output: 3533 [2021-03-12 16:24:03,088 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 6650 DAG size of output: 3568 [2021-03-12 16:24:03,933 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 12956 DAG size of output: 5757 [2021-03-12 16:24:04,875 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 12988 DAG size of output: 5794 [2021-03-12 16:24:05,802 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 13019 DAG size of output: 5826 [2021-03-12 16:24:07,774 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 25506 DAG size of output: 11149 [2021-03-12 16:24:09,724 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 25506 DAG size of output: 11149 [2021-03-12 16:24:11,903 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 25533 DAG size of output: 11176 [2021-03-12 16:24:13,344 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 11164 DAG size of output: 11108 [2021-03-12 16:24:15,592 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 11110 DAG size of output: 11428 [2021-03-12 16:24:16,962 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 4903 DAG size of output: 5823 [2021-03-12 16:24:17,761 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 3056 DAG size of output: 3572 [2021-03-12 16:24:17,992 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1658 [2021-03-12 16:24:18,202 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 977 DAG size of output: 1108 [2021-03-12 16:24:18,346 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 966 [2021-03-12 16:24:20,190 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 651 [2021-03-12 16:24:20,330 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 998 [2021-03-12 16:24:22,132 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 961 DAG size of output: 745 [2021-03-12 16:24:22,271 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 678 [2021-03-12 16:24:23,881 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 565 [2021-03-12 16:24:24,932 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 744 [2021-03-12 16:24:25,114 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 847 [2021-03-12 16:24:25,485 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 1676 DAG size of output: 1309 [2021-03-12 16:24:25,601 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 827 [2021-03-12 16:24:27,849 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 883 [2021-03-12 16:24:28,577 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1233 DAG size of output: 984 [2021-03-12 16:24:29,151 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 2587 DAG size of output: 1982 [2021-03-12 16:24:29,733 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 3027 DAG size of output: 1963 [2021-03-12 16:24:29,858 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 840 [2021-03-12 16:24:29,988 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 898 [2021-03-12 16:24:30,242 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 679 [2021-03-12 16:24:31,720 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 908 DAG size of output: 831 [2021-03-12 16:24:31,845 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 833 [2021-03-12 16:24:32,023 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 991 [2021-03-12 16:24:33,531 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 834 [2021-03-12 16:24:33,844 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 891 [2021-03-12 16:24:33,993 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1048 DAG size of output: 931 [2021-03-12 16:24:34,147 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 934 [2021-03-12 16:24:35,182 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 663 [2021-03-12 16:24:35,476 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 758 [2021-03-12 16:24:35,590 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 900 DAG size of output: 776 [2021-03-12 16:24:35,711 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 919 DAG size of output: 793 [2021-03-12 16:24:35,838 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 794 [2021-03-12 16:24:36,125 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1447 [2021-03-12 16:24:36,549 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 2116 DAG size of output: 1667 [2021-03-12 16:24:39,128 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1028 DAG size of output: 795 [2021-03-12 16:24:39,695 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 2642 DAG size of output: 2001 [2021-03-12 16:24:40,904 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 4243 DAG size of output: 2996 [2021-03-12 16:24:42,251 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 4970 DAG size of output: 3451 [2021-03-12 16:24:43,072 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 2993 DAG size of output: 3502 [2021-03-12 16:24:43,669 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 2992 DAG size of output: 2944 [2021-03-12 16:24:43,816 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1120 DAG size of output: 1116 [2021-03-12 16:24:45,476 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 904 DAG size of output: 728 [2021-03-12 16:24:47,208 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 821 [2021-03-12 16:24:47,473 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1648 DAG size of output: 1286 [2021-03-12 16:24:47,746 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 1670 DAG size of output: 1177 [2021-03-12 16:24:48,114 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 1464 [2021-03-12 16:24:48,644 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2702 [2021-03-12 16:24:48,930 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 2230 [2021-03-12 16:24:49,074 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1268 [2021-03-12 16:24:49,300 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1237 DAG size of output: 1653 [2021-03-12 16:24:50,191 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 1240 [2021-03-12 16:24:50,728 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1128 [2021-03-12 16:24:50,854 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1089 DAG size of output: 770 [2021-03-12 16:24:51,554 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 933 [2021-03-12 16:24:51,941 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 1107 [2021-03-12 16:24:52,856 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1416 DAG size of output: 1246 [2021-03-12 16:24:53,074 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1499 DAG size of output: 1324 [2021-03-12 16:24:53,309 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1359 [2021-03-12 16:24:53,599 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1658 DAG size of output: 1484 [2021-03-12 16:24:53,972 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 2149 DAG size of output: 1892 [2021-03-12 16:24:54,397 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1867 [2021-03-12 16:24:54,920 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 3165 DAG size of output: 2587 [2021-03-12 16:24:55,259 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 1907 DAG size of output: 2609 [2021-03-12 16:24:55,392 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1349 DAG size of output: 1347 [2021-03-12 16:24:56,228 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1338 DAG size of output: 1217 [2021-03-12 16:24:56,483 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1822 DAG size of output: 1898 [2021-03-12 16:24:56,639 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1762 DAG size of output: 1762 [2021-03-12 16:24:56,762 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 1026 [2021-03-12 16:24:58,148 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1388 [2021-03-12 16:24:58,357 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 1017 [2021-03-12 16:24:59,191 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 927 [2021-03-12 16:24:59,564 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 1083 [2021-03-12 16:24:59,686 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1092 [2021-03-12 16:24:59,986 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 2296 DAG size of output: 1806 [2021-03-12 16:25:00,426 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 3069 DAG size of output: 2415 [2021-03-12 16:25:01,442 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 4771 DAG size of output: 3521 [2021-03-12 16:25:02,720 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 6072 DAG size of output: 4107 [2021-03-12 16:25:03,277 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 2369 DAG size of output: 2748 [2021-03-12 16:25:03,552 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 2061 [2021-03-12 16:25:03,917 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 1898 DAG size of output: 2607 [2021-03-12 16:25:04,079 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1818 DAG size of output: 1812 [2021-03-12 16:25:04,239 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1045 DAG size of output: 1151 [2021-03-12 16:25:04,841 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 1024 [2021-03-12 16:25:06,170 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1009 [2021-03-12 16:25:06,398 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1937 DAG size of output: 1551 [2021-03-12 16:25:06,596 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1349 DAG size of output: 1425 [2021-03-12 16:25:07,181 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 1292 [2021-03-12 16:25:07,883 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1213 DAG size of output: 1124 [2021-03-12 16:25:08,041 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1361 DAG size of output: 1221 [2021-03-12 16:25:08,432 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 2724 DAG size of output: 2174 [2021-03-12 16:25:09,887 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1036 DAG size of output: 889 [2021-03-12 16:25:10,365 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 3233 DAG size of output: 2153 [2021-03-12 16:25:10,649 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 2230 [2021-03-12 16:25:10,786 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1268 [2021-03-12 16:25:10,966 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1237 DAG size of output: 1286 [2021-03-12 16:25:11,186 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1235 DAG size of output: 1651 [2021-03-12 16:25:11,393 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 1238 [2021-03-12 16:25:11,624 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 768 [2021-03-12 16:25:12,303 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 931 [2021-03-12 16:25:12,425 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 1105 [2021-03-12 16:25:13,583 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1410 DAG size of output: 1240 [2021-03-12 16:25:13,796 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1318 [2021-03-12 16:25:14,025 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1353 [2021-03-12 16:25:14,729 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 1652 DAG size of output: 1478 [2021-03-12 16:25:15,714 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 2120 DAG size of output: 1866 [2021-03-12 16:25:17,080 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 2436 DAG size of output: 2073 [2021-03-12 16:25:17,552 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 2459 DAG size of output: 2045 [2021-03-12 16:25:18,169 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 3456 DAG size of output: 2768 [2021-03-12 16:25:19,270 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 5311 DAG size of output: 3822 [2021-03-12 16:25:21,684 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 7421 DAG size of output: 5025 [2021-03-12 16:25:25,250 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 10588 DAG size of output: 6682 [2021-03-12 16:25:26,368 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 4309 DAG size of output: 4802 [2021-03-12 16:25:26,992 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 2302 DAG size of output: 2543 [2021-03-12 16:25:27,426 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 2299 DAG size of output: 2438 [2021-03-12 16:25:27,953 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 2185 DAG size of output: 2347 [2021-03-12 16:25:28,264 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 1816 DAG size of output: 2448 [2021-03-12 16:25:28,431 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1768 DAG size of output: 1760 [2021-03-12 16:25:28,661 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 1086 [2021-03-12 16:25:28,773 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 995 [2021-03-12 16:25:29,502 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 683 [2021-03-12 16:25:30,124 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 735 [2021-03-12 16:25:30,248 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 725 [2021-03-12 16:25:30,449 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1724 DAG size of output: 1228 [2021-03-12 16:25:30,570 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1253 DAG size of output: 1250 [2021-03-12 16:25:31,701 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1338 DAG size of output: 1084 [2021-03-12 16:25:32,038 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 2501 DAG size of output: 1742 [2021-03-12 16:25:32,489 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 1950 DAG size of output: 2570 [2021-03-12 16:25:32,751 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1837 DAG size of output: 1822 [2021-03-12 16:25:32,975 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 1128 [2021-03-12 16:25:33,084 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1048 DAG size of output: 1048 [2021-03-12 16:25:33,932 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 1059 [2021-03-12 16:25:34,039 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1021 DAG size of output: 1020 [2021-03-12 16:25:34,157 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 987 DAG size of output: 691 [2021-03-12 16:25:35,223 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 928 DAG size of output: 727 [2021-03-12 16:25:35,493 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1707 DAG size of output: 1268 [2021-03-12 16:25:35,736 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1331 [2021-03-12 16:25:35,918 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 731 [2021-03-12 16:25:36,455 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1257 DAG size of output: 1257 [2021-03-12 16:25:37,404 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1035 [2021-03-12 16:25:37,624 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1345 DAG size of output: 1116 [2021-03-12 16:25:38,082 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 2491 DAG size of output: 1841 [2021-03-12 16:25:38,911 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 3511 DAG size of output: 2505 [2021-03-12 16:25:39,125 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 761 DAG size of output: 1084 [2021-03-12 16:25:41,425 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 895 [2021-03-12 16:25:41,590 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 907 [2021-03-12 16:25:41,762 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 913 [2021-03-12 16:25:41,961 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1083 [2021-03-12 16:25:42,074 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 725 [2021-03-12 16:25:43,738 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 823 [2021-03-12 16:25:44,119 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 2007 DAG size of output: 1546 [2021-03-12 16:25:45,254 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 4841 DAG size of output: 3342 [2021-03-12 16:25:45,759 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 1997 DAG size of output: 2234 [2021-03-12 16:25:45,982 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 1809 [2021-03-12 16:25:47,691 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 779 [2021-03-12 16:25:47,963 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1708 DAG size of output: 2251 [2021-03-12 16:25:48,121 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1667 DAG size of output: 1661 [2021-03-12 16:25:48,332 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 1011 [2021-03-12 16:25:49,631 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1549 DAG size of output: 1123 [2021-03-12 16:25:49,792 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1156 DAG size of output: 1201 [2021-03-12 16:25:49,946 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1122 DAG size of output: 1159 [2021-03-12 16:25:50,449 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1029 DAG size of output: 898 [2021-03-12 16:25:50,792 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 955 [2021-03-12 16:25:51,346 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1210 DAG size of output: 1044 [2021-03-12 16:25:51,670 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 2205 DAG size of output: 1608 [2021-03-12 16:25:52,114 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 2704 DAG size of output: 1756 [2021-03-12 16:25:52,370 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1956 DAG size of output: 1956 [2021-03-12 16:25:52,502 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1129 [2021-03-12 16:25:52,623 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1090 [2021-03-12 16:25:52,906 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 900 [2021-03-12 16:25:53,747 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 699 [2021-03-12 16:25:54,884 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 635 [2021-03-12 16:25:55,108 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 951 [2021-03-12 16:25:56,597 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 1540 DAG size of output: 1299 [2021-03-12 16:25:56,988 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 1566 DAG size of output: 1324 [2021-03-12 16:25:57,361 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 1590 DAG size of output: 1345 [2021-03-12 16:25:57,748 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1616 DAG size of output: 1332 [2021-03-12 16:25:58,253 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 2462 DAG size of output: 1916 [2021-03-12 16:25:59,214 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 3816 DAG size of output: 2763 [2021-03-12 16:26:01,362 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 6404 DAG size of output: 4389 [2021-03-12 16:26:02,378 WARN L205 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 4247 DAG size of output: 4469 [2021-03-12 16:26:02,891 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 3581 DAG size of output: 3545 [2021-03-12 16:26:03,423 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 1951 [2021-03-12 16:26:03,663 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1947 [2021-03-12 16:26:03,967 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 1911 DAG size of output: 1972 [2021-03-12 16:26:04,362 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 1895 DAG size of output: 2513 [2021-03-12 16:26:04,480 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1259 DAG size of output: 942 [2021-03-12 16:26:04,656 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 1006 [2021-03-12 16:26:05,707 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 937 [2021-03-12 16:26:05,870 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 955 [2021-03-12 16:26:06,019 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1790 DAG size of output: 1184 [2021-03-12 16:26:06,131 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 1147 [2021-03-12 16:26:06,343 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1109 DAG size of output: 1217 [2021-03-12 16:26:06,455 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 1103 [2021-03-12 16:26:06,565 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 435 [2021-03-12 16:26:06,901 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1178 DAG size of output: 924 [2021-03-12 16:26:07,433 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1299 DAG size of output: 1015 [2021-03-12 16:26:07,668 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1327 DAG size of output: 1043 [2021-03-12 16:26:07,905 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1361 DAG size of output: 1073 [2021-03-12 16:26:08,360 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 2056 DAG size of output: 1649 [2021-03-12 16:26:11,072 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1032 DAG size of output: 917 [2021-03-12 16:26:11,306 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1345 DAG size of output: 1183 [2021-03-12 16:26:12,016 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 2799 DAG size of output: 2385 [2021-03-12 16:26:12,713 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 2826 DAG size of output: 2290 [2021-03-12 16:26:12,997 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1945 [2021-03-12 16:26:13,294 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 1909 DAG size of output: 1970 [2021-03-12 16:26:15,923 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 907 [2021-03-12 16:26:16,154 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1331 DAG size of output: 1173 [2021-03-12 16:26:16,576 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 2511 [2021-03-12 16:26:16,720 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1788 DAG size of output: 1182 [2021-03-12 16:26:16,828 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 1145 [2021-03-12 16:26:17,031 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1215 [2021-03-12 16:26:17,453 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1103 DAG size of output: 1101 [2021-03-12 16:26:17,890 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1172 DAG size of output: 918 [2021-03-12 16:26:18,092 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1293 DAG size of output: 1009 [2021-03-12 16:26:18,304 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1323 DAG size of output: 1039 [2021-03-12 16:26:18,533 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 1069 [2021-03-12 16:26:18,646 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1257 DAG size of output: 940 [2021-03-12 16:26:18,814 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 1004 [2021-03-12 16:26:19,837 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 927 [2021-03-12 16:26:19,993 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1132 DAG size of output: 947 [2021-03-12 16:26:20,388 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 2048 DAG size of output: 1641 [2021-03-12 16:26:21,081 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 2785 DAG size of output: 2375 [2021-03-12 16:26:21,757 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 2814 DAG size of output: 2282 [2021-03-12 16:26:23,185 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 3259 DAG size of output: 2698 [2021-03-12 16:26:24,891 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 4860 DAG size of output: 3781 [2021-03-12 16:26:25,596 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 3388 DAG size of output: 3712 [2021-03-12 16:26:26,109 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 3375 DAG size of output: 3582 [2021-03-12 16:26:26,668 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 3261 DAG size of output: 4308 [2021-03-12 16:26:26,982 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 3184 DAG size of output: 3174 [2021-03-12 16:26:27,142 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1743 DAG size of output: 1743 [2021-03-12 16:26:27,290 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1712 DAG size of output: 1711 [2021-03-12 16:26:27,425 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1679 DAG size of output: 1096 [2021-03-12 16:26:28,363 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 2726 DAG size of output: 1785 [2021-03-12 16:26:28,559 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1961 DAG size of output: 1959 [2021-03-12 16:26:28,744 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1219 [2021-03-12 16:26:29,020 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1094 [2021-03-12 16:26:30,634 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 847 [2021-03-12 16:26:30,880 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1936 DAG size of output: 1636 [2021-03-12 16:26:31,366 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 3868 DAG size of output: 2619 [2021-03-12 16:26:32,236 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 605 [2021-03-12 16:26:33,032 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 786 [2021-03-12 16:26:33,175 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 991 [2021-03-12 16:26:33,729 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 4571 DAG size of output: 2692 [2021-03-12 16:26:34,081 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 3084 DAG size of output: 3084 [2021-03-12 16:26:34,283 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1705 DAG size of output: 1783 [2021-03-12 16:26:34,429 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1691 DAG size of output: 1691 [2021-03-12 16:26:34,665 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1662 DAG size of output: 2174 [2021-03-12 16:26:34,836 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1183 [2021-03-12 16:26:34,979 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1078 DAG size of output: 1092 [2021-03-12 16:26:36,295 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 876 [2021-03-12 16:26:36,425 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1614 [2021-03-12 16:26:36,599 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1155 [2021-03-12 16:26:37,874 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1266 DAG size of output: 943 [2021-03-12 16:26:38,050 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 971 [2021-03-12 16:26:38,375 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 1859 DAG size of output: 1476 [2021-03-12 16:26:38,751 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1378 [2021-03-12 16:26:40,112 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 838 DAG size of output: 786 [2021-03-12 16:26:40,228 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 735 [2021-03-12 16:26:40,603 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 2240 DAG size of output: 1299 [2021-03-12 16:26:41,093 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 3685 DAG size of output: 2246 [2021-03-12 16:26:42,188 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 5463 DAG size of output: 3240 [2021-03-12 16:26:45,064 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 7976 DAG size of output: 5588 [2021-03-12 16:26:49,913 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 11976 DAG size of output: 7720 [2021-03-12 16:26:58,409 WARN L205 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 21216 DAG size of output: 13157 [2021-03-12 16:27:00,390 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 9988 DAG size of output: 10835 [2021-03-12 16:27:01,589 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 9894 DAG size of output: 9894 [2021-03-12 16:27:02,477 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 5118 DAG size of output: 5536 [2021-03-12 16:27:02,721 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 2255 DAG size of output: 2242 [2021-03-12 16:27:03,105 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2722 [2021-03-12 16:27:03,511 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 2077 DAG size of output: 2224 [2021-03-12 16:27:03,806 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 2076 DAG size of output: 2246 [2021-03-12 16:27:04,027 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 849 [2021-03-12 16:27:05,353 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 959 [2021-03-12 16:27:06,578 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1576 DAG size of output: 1391 [2021-03-12 16:27:06,819 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1407 [2021-03-12 16:27:07,156 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 2018 DAG size of output: 2697 [2021-03-12 16:27:07,546 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 1936 DAG size of output: 2182 [2021-03-12 16:27:07,727 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1921 DAG size of output: 1921 [2021-03-12 16:27:07,898 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1891 DAG size of output: 1891 [2021-03-12 16:27:08,483 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1343 DAG size of output: 1177 [2021-03-12 16:27:08,642 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1808 DAG size of output: 1808 [2021-03-12 16:27:08,793 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1778 DAG size of output: 1778 [2021-03-12 16:27:08,925 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1566 DAG size of output: 1007 [2021-03-12 16:27:09,470 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1228 DAG size of output: 1090 [2021-03-12 16:27:09,584 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 1117 [2021-03-12 16:27:09,805 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1415 [2021-03-12 16:27:09,931 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1313 [2021-03-12 16:27:10,048 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1283 [2021-03-12 16:27:10,517 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 721 DAG size of output: 732 [2021-03-12 16:27:11,263 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 973 [2021-03-12 16:27:11,404 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 990 [2021-03-12 16:27:11,581 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1236 [2021-03-12 16:27:11,767 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1386 DAG size of output: 1252 [2021-03-12 16:27:12,226 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 2580 DAG size of output: 2248 [2021-03-12 16:27:12,760 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 2430 [2021-03-12 16:27:12,954 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1923 DAG size of output: 1923 [2021-03-12 16:27:13,263 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 1895 DAG size of output: 2577 [2021-03-12 16:27:13,435 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1299 DAG size of output: 1390 [2021-03-12 16:27:13,550 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-03-12 16:27:13,764 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 820 [2021-03-12 16:27:14,742 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 963 [2021-03-12 16:27:14,881 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 982 [2021-03-12 16:27:15,053 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1361 DAG size of output: 1230 [2021-03-12 16:27:16,235 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1696 DAG size of output: 1232 [2021-03-12 16:27:16,457 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1936 [2021-03-12 16:27:17,118 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1783 DAG size of output: 2003 [2021-03-12 16:27:17,337 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 992 DAG size of output: 1005 [2021-03-12 16:27:18,013 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1188 DAG size of output: 1073 [2021-03-12 16:27:18,172 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1780 DAG size of output: 1780 [2021-03-12 16:27:18,389 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 1004 [2021-03-12 16:27:19,107 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1127 DAG size of output: 1000 [2021-03-12 16:27:19,225 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1020 [2021-03-12 16:27:19,372 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1402 DAG size of output: 1255 [2021-03-12 16:27:19,638 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1656 DAG size of output: 1442 [2021-03-12 16:27:19,893 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1293 [2021-03-12 16:27:20,422 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 3077 DAG size of output: 2108 [2021-03-12 16:27:20,935 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 3102 DAG size of output: 2130 [2021-03-12 16:27:22,041 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 4243 DAG size of output: 2927 [2021-03-12 16:27:22,336 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 1634 [2021-03-12 16:27:22,544 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1482 DAG size of output: 1557 [2021-03-12 16:27:23,490 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 709 [2021-03-12 16:27:24,117 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1076 [2021-03-12 16:27:24,258 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1302 DAG size of output: 1096 [2021-03-12 16:27:24,386 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1307 DAG size of output: 1299 [2021-03-12 16:27:25,641 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1403 DAG size of output: 1336 [2021-03-12 16:27:25,790 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1426 DAG size of output: 1358 [2021-03-12 16:27:26,041 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 1662 [2021-03-12 16:27:26,267 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 1832 [2021-03-12 16:27:26,427 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1249 DAG size of output: 1346 [2021-03-12 16:27:27,448 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 1404 [2021-03-12 16:27:28,385 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 654 [2021-03-12 16:27:28,928 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1197 DAG size of output: 921 [2021-03-12 16:27:29,102 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1510 DAG size of output: 1031 [2021-03-12 16:27:29,318 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 1037 [2021-03-12 16:27:30,048 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 956 DAG size of output: 1157 [2021-03-12 16:27:32,190 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1311 DAG size of output: 1135 [2021-03-12 16:27:32,322 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1329 DAG size of output: 1152 [2021-03-12 16:27:32,487 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1383 [2021-03-12 16:27:32,744 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1948 DAG size of output: 1711 [2021-03-12 16:27:32,996 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 2139 DAG size of output: 1420 [2021-03-12 16:27:33,299 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 2162 DAG size of output: 1442 [2021-03-12 16:27:33,742 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 3243 DAG size of output: 2131 [2021-03-12 16:27:34,462 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 3942 DAG size of output: 2720 [2021-03-12 16:27:36,399 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 7552 DAG size of output: 5006 [2021-03-12 16:27:38,378 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 7576 DAG size of output: 4791 [2021-03-12 16:27:39,260 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 4837 DAG size of output: 5826 [2021-03-12 16:27:39,940 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 2981 DAG size of output: 3100 [2021-03-12 16:27:40,280 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 2974 DAG size of output: 2974 [2021-03-12 16:27:40,590 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 2942 DAG size of output: 2942 [2021-03-12 16:27:40,993 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 2907 DAG size of output: 2972 [2021-03-12 16:27:41,274 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 2725 DAG size of output: 2147 [2021-03-12 16:27:41,461 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1164 DAG size of output: 1579 [2021-03-12 16:27:41,700 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1015 DAG size of output: 1115 [2021-03-12 16:27:42,293 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1062 DAG size of output: 832 [2021-03-12 16:27:42,439 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 850 [2021-03-12 16:27:42,587 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 964 [2021-03-12 16:27:43,044 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 955 [2021-03-12 16:27:43,280 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 794 DAG size of output: 1283 [2021-03-12 16:27:43,806 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1363 DAG size of output: 987 [2021-03-12 16:27:43,969 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1399 DAG size of output: 1062 [2021-03-12 16:27:44,142 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1419 DAG size of output: 1079 [2021-03-12 16:27:44,264 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 863 [2021-03-12 16:27:45,429 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1084 DAG size of output: 892 [2021-03-12 16:27:45,743 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 1767 DAG size of output: 1377 [2021-03-12 16:27:46,253 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 2513 DAG size of output: 1929 [2021-03-12 16:27:46,814 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 3363 DAG size of output: 2321 [2021-03-12 16:27:46,961 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 961 [2021-03-12 16:27:48,089 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 941 [2021-03-12 16:27:48,800 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 3949 DAG size of output: 2742 [2021-03-12 16:27:49,593 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 3975 DAG size of output: 2769 [2021-03-12 16:27:50,369 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 4001 DAG size of output: 2709 [2021-03-12 16:27:50,921 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 2820 DAG size of output: 3861 [2021-03-12 16:27:51,127 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1970 DAG size of output: 1968 [2021-03-12 16:27:51,400 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1937 DAG size of output: 2019 [2021-03-12 16:27:52,719 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1041 DAG size of output: 860 [2021-03-12 16:27:52,854 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 885 [2021-03-12 16:27:53,046 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1933 DAG size of output: 1933 [2021-03-12 16:27:53,410 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 1896 DAG size of output: 2107 [2021-03-12 16:27:53,588 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1840 DAG size of output: 1840 [2021-03-12 16:27:54,429 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1450 DAG size of output: 958 [2021-03-12 16:27:54,724 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1895 DAG size of output: 1902 [2021-03-12 16:27:54,911 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1890 [2021-03-12 16:27:55,403 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1500 DAG size of output: 1003 [2021-03-12 16:27:55,775 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 608 [2021-03-12 16:27:55,962 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1536 DAG size of output: 1037 [2021-03-12 16:27:56,297 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 1779 DAG size of output: 1192 [2021-03-12 16:27:56,648 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 1804 DAG size of output: 1218 [2021-03-12 16:27:57,150 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 2273 DAG size of output: 1632 [2021-03-12 16:27:57,715 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 2299 DAG size of output: 1603 [2021-03-12 16:27:58,042 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 2588 DAG size of output: 2692 [2021-03-12 16:27:59,108 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 713 [2021-03-12 16:27:59,223 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 748 [2021-03-12 16:27:59,343 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 753 [2021-03-12 16:27:59,578 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 2558 DAG size of output: 2558 [2021-03-12 16:27:59,804 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 2525 DAG size of output: 2525 [2021-03-12 16:28:00,236 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 2488 DAG size of output: 2700 [2021-03-12 16:28:00,631 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 2485 DAG size of output: 2490 [2021-03-12 16:28:00,747 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1341 DAG size of output: 1341 [2021-03-12 16:28:01,181 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 2478 DAG size of output: 2478 [2021-03-12 16:28:01,693 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1678 DAG size of output: 1043 [2021-03-12 16:28:01,890 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1707 DAG size of output: 1070 [2021-03-12 16:28:02,140 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 2434 DAG size of output: 2434 [2021-03-12 16:28:02,349 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 985 DAG size of output: 986 [2021-03-12 16:28:02,755 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 982 DAG size of output: 1129 [2021-03-12 16:28:03,282 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 828 [2021-03-12 16:28:03,436 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1075 DAG size of output: 848 [2021-03-12 16:28:03,679 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1120 [2021-03-12 16:28:04,097 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 2098 DAG size of output: 1385 [2021-03-12 16:28:04,531 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 2135 DAG size of output: 1423 [2021-03-12 16:28:04,986 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 2163 DAG size of output: 1415 [2021-03-12 16:28:05,612 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 2427 DAG size of output: 1718 [2021-03-12 16:28:06,786 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 4175 DAG size of output: 2933 [2021-03-12 16:28:08,780 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 5608 DAG size of output: 4063 [2021-03-12 16:28:09,753 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 4691 DAG size of output: 4798 [2021-03-12 16:28:10,585 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 4534 DAG size of output: 6109 [2021-03-12 16:28:11,110 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 4308 DAG size of output: 4441 [2021-03-12 16:28:11,544 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 4266 DAG size of output: 4266 [2021-03-12 16:28:12,292 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 4231 DAG size of output: 4469 [2021-03-12 16:28:12,912 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 4228 DAG size of output: 4261 [2021-03-12 16:28:13,157 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 2234 DAG size of output: 2233 [2021-03-12 16:28:13,341 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 2198 DAG size of output: 2198 [2021-03-12 16:28:14,146 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 4220 DAG size of output: 4220 [2021-03-12 16:28:14,514 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 4185 DAG size of output: 4185 [2021-03-12 16:28:14,684 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 1657 [2021-03-12 16:28:14,854 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 1622 [2021-03-12 16:28:15,057 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1421 DAG size of output: 1071 [2021-03-12 16:28:15,172 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 1092 [2021-03-12 16:28:15,367 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 2598 DAG size of output: 1442 [2021-03-12 16:28:15,573 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 2632 DAG size of output: 1476 [2021-03-12 16:28:15,885 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2686 DAG size of output: 1528 [2021-03-12 16:28:16,249 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 4175 DAG size of output: 4175 [2021-03-12 16:28:16,638 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 4140 DAG size of output: 4140 [2021-03-12 16:28:16,799 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 2730 DAG size of output: 1636 [2021-03-12 16:28:16,919 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1601 [2021-03-12 16:28:17,629 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1580 DAG size of output: 1168 [2021-03-12 16:28:17,786 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1607 DAG size of output: 1189 [2021-03-12 16:28:18,068 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 2735 DAG size of output: 1511 [2021-03-12 16:28:18,311 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 2770 DAG size of output: 1546 [2021-03-12 16:28:18,876 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 3141 DAG size of output: 1823 [2021-03-12 16:28:19,468 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 3176 DAG size of output: 1824 [2021-03-12 16:28:19,638 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 843 [2021-03-12 16:28:21,163 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 742 [2021-03-12 16:28:21,409 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 982 [2021-03-12 16:28:22,185 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 3671 DAG size of output: 2314 [2021-03-12 16:28:22,493 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 2915 [2021-03-12 16:28:22,926 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 2879 DAG size of output: 2985 [2021-03-12 16:28:23,139 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 783 [2021-03-12 16:28:23,249 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 675 [2021-03-12 16:28:24,759 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1132 DAG size of output: 1064 [2021-03-12 16:28:24,941 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1088 [2021-03-12 16:28:25,496 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 2851 DAG size of output: 3080 [2021-03-12 16:28:25,787 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 2848 DAG size of output: 2848 [2021-03-12 16:28:26,098 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 2813 DAG size of output: 2813 [2021-03-12 16:28:26,233 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1801 DAG size of output: 1220 [2021-03-12 16:28:26,812 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1340 [2021-03-12 16:28:26,996 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 2112 DAG size of output: 1366 [2021-03-12 16:28:27,264 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2795 [2021-03-12 16:28:27,720 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 2762 DAG size of output: 2788 [2021-03-12 16:28:27,976 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 2758 DAG size of output: 2758 [2021-03-12 16:28:28,100 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1189 [2021-03-12 16:28:28,597 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 2005 DAG size of output: 1264 [2021-03-12 16:28:28,731 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1477 DAG size of output: 1477 [2021-03-12 16:28:29,280 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1308 [2021-03-12 16:28:29,530 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 2078 DAG size of output: 1337 [2021-03-12 16:28:29,966 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 2397 DAG size of output: 1551 [2021-03-12 16:28:30,613 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 2910 DAG size of output: 2132 [2021-03-12 16:28:31,314 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 2939 DAG size of output: 2105 [2021-03-12 16:28:32,840 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 5803 DAG size of output: 3915 [2021-03-12 16:28:33,350 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 4682 DAG size of output: 4682 [2021-03-12 16:28:34,017 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4811 [2021-03-12 16:28:34,796 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 4577 DAG size of output: 6125 [2021-03-12 16:28:35,642 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 4351 DAG size of output: 4611 [2021-03-12 16:28:36,029 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 4237 DAG size of output: 4237 [2021-03-12 16:28:36,393 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 4202 DAG size of output: 4202 [2021-03-12 16:28:36,554 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 2732 DAG size of output: 1638 [2021-03-12 16:28:36,680 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1603 [2021-03-12 16:28:37,452 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1174 [2021-03-12 16:28:37,612 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1611 DAG size of output: 1193 [2021-03-12 16:28:37,859 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 2784 DAG size of output: 1546 [2021-03-12 16:28:38,116 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 2819 DAG size of output: 1581 [2021-03-12 16:28:38,526 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 4336 DAG size of output: 4334 [2021-03-12 16:28:38,958 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 4299 DAG size of output: 4299 [2021-03-12 16:28:39,127 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 1661 [2021-03-12 16:28:39,259 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1626 DAG size of output: 1626 [2021-03-12 16:28:39,593 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1093 [2021-03-12 16:28:39,726 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1112 [2021-03-12 16:28:39,954 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 2702 DAG size of output: 1516 [2021-03-12 16:28:40,192 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 2736 DAG size of output: 1550 [2021-03-12 16:28:40,728 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 3219 DAG size of output: 1882 [2021-03-12 16:28:41,016 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 2852 DAG size of output: 2851 [2021-03-12 16:28:41,290 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 2816 DAG size of output: 2816 [2021-03-12 16:28:41,549 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1806 DAG size of output: 1334 [2021-03-12 16:28:41,712 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1195 DAG size of output: 1206 [2021-03-12 16:28:42,098 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1193 DAG size of output: 1367 [2021-03-12 16:28:42,549 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 1855 [2021-03-12 16:28:43,465 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1735 DAG size of output: 1364 [2021-03-12 16:28:43,719 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1923 DAG size of output: 1514 [2021-03-12 16:28:43,973 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1968 DAG size of output: 1606 [2021-03-12 16:28:44,086 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1222 [2021-03-12 16:28:44,869 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 2148 DAG size of output: 1755 [2021-03-12 16:28:45,361 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 3047 DAG size of output: 2150 [2021-03-12 16:28:45,833 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 3072 DAG size of output: 2175 [2021-03-12 16:28:46,862 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 5519 DAG size of output: 3575 [2021-03-12 16:28:47,052 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 1121 [2021-03-12 16:28:47,200 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 822 [2021-03-12 16:28:48,031 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 715 [2021-03-12 16:28:48,425 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 925 [2021-03-12 16:28:49,453 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 925 [2021-03-12 16:28:49,602 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1215 DAG size of output: 1060 [2021-03-12 16:28:49,866 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1529 DAG size of output: 1303 [2021-03-12 16:28:50,009 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 895 [2021-03-12 16:28:51,176 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1036 DAG size of output: 877 [2021-03-12 16:28:51,579 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2220 DAG size of output: 1869 [2021-03-12 16:28:53,050 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 6835 DAG size of output: 4702 [2021-03-12 16:28:54,584 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 6864 DAG size of output: 4595 [2021-03-12 16:28:57,690 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 7873 DAG size of output: 5459 [2021-03-12 16:29:02,951 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 12291 DAG size of output: 8807 [2021-03-12 16:29:10,459 WARN L205 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 18118 DAG size of output: 11892 [2021-03-12 16:29:18,762 WARN L205 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 22484 DAG size of output: 14936 [2021-03-12 16:29:19,905 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 5161 DAG size of output: 6177 [2021-03-12 16:29:20,657 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 3185 DAG size of output: 3472 [2021-03-12 16:29:21,183 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 3179 DAG size of output: 3267 [2021-03-12 16:29:21,350 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 941 [2021-03-12 16:29:24,257 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 752 [2021-03-12 16:29:24,387 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 891 DAG size of output: 762 [2021-03-12 16:29:24,642 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1391 DAG size of output: 1071 [2021-03-12 16:29:26,280 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 993 DAG size of output: 811 [2021-03-12 16:29:27,848 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 658 [2021-03-12 16:29:28,073 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1201 [2021-03-12 16:29:28,523 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 2597 DAG size of output: 1959 [2021-03-12 16:29:29,038 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2217 [2021-03-12 16:29:29,594 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 2865 DAG size of output: 3263 [2021-03-12 16:29:29,921 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 2835 DAG size of output: 2809 [2021-03-12 16:29:30,085 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1550 DAG size of output: 1550 [2021-03-12 16:29:30,340 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1519 DAG size of output: 2031 [2021-03-12 16:29:31,454 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 720 [2021-03-12 16:29:31,567 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 740 [2021-03-12 16:29:31,691 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1400 DAG size of output: 1398 [2021-03-12 16:29:31,925 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1363 DAG size of output: 1475 [2021-03-12 16:29:32,050 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1358 DAG size of output: 1356 [2021-03-12 16:29:32,657 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 974 DAG size of output: 655 [2021-03-12 16:29:32,833 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1335 DAG size of output: 1341 [2021-03-12 16:29:33,175 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1490 [2021-03-12 16:29:34,106 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1143 DAG size of output: 799 [2021-03-12 16:29:34,368 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1396 DAG size of output: 983 [2021-03-12 16:29:34,597 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1442 DAG size of output: 1027 [2021-03-12 16:29:34,949 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 2061 DAG size of output: 1467 [2021-03-12 16:29:35,317 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 2087 DAG size of output: 1467 [2021-03-12 16:29:35,873 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 3257 DAG size of output: 2404 [2021-03-12 16:29:36,025 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1352 DAG size of output: 1346 [2021-03-12 16:29:39,499 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 1096 [2021-03-12 16:29:39,760 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1876 DAG size of output: 1665 [2021-03-12 16:29:40,039 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1898 DAG size of output: 1687 [2021-03-12 16:29:40,327 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1927 DAG size of output: 1683 [2021-03-12 16:29:40,736 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 2435 DAG size of output: 2063 [2021-03-12 16:29:41,621 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 4815 DAG size of output: 3609 [2021-03-12 16:29:43,025 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 6854 DAG size of output: 4790 [2021-03-12 16:29:43,563 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 2896 DAG size of output: 3298 [2021-03-12 16:29:43,828 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1385 DAG size of output: 1505 [2021-03-12 16:29:44,068 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1346 DAG size of output: 1867 [2021-03-12 16:29:44,186 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1265 DAG size of output: 1249 [2021-03-12 16:29:45,359 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 750 [2021-03-12 16:29:45,708 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1338 DAG size of output: 1146 [2021-03-12 16:29:45,861 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1035 DAG size of output: 1108 [2021-03-12 16:29:46,986 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 775 [2021-03-12 16:29:47,371 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 1007 [2021-03-12 16:29:48,719 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1196 [2021-03-12 16:29:48,878 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1374 DAG size of output: 1289 [2021-03-12 16:29:49,135 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1617 [2021-03-12 16:29:49,555 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 2676 DAG size of output: 2199 [2021-03-12 16:29:50,911 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 897 [2021-03-12 16:29:51,383 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 3131 DAG size of output: 2181 [2021-03-12 16:29:51,875 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 2860 DAG size of output: 3006 [2021-03-12 16:29:52,192 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 2831 DAG size of output: 2831 [2021-03-12 16:29:52,348 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1548 DAG size of output: 1548 [2021-03-12 16:29:52,597 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 2029 [2021-03-12 16:29:52,719 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1396 [2021-03-12 16:29:52,946 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1361 DAG size of output: 1473 [2021-03-12 16:29:53,120 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1333 DAG size of output: 1339 [2021-03-12 16:29:53,496 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1488 [2021-03-12 16:29:54,398 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 797 [2021-03-12 16:29:54,516 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1356 DAG size of output: 1354 [2021-03-12 16:29:55,301 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1394 DAG size of output: 981 [2021-03-12 16:29:55,524 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1438 DAG size of output: 1023 [2021-03-12 16:29:56,667 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 716 [2021-03-12 16:29:57,004 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 2034 DAG size of output: 1443 [2021-03-12 16:29:57,361 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 2060 DAG size of output: 1443 [2021-03-12 16:29:57,866 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 3255 DAG size of output: 2380 [2021-03-12 16:29:58,036 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 1016 [2021-03-12 16:29:58,147 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 664 [2021-03-12 16:29:59,388 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 830 [2021-03-12 16:30:00,366 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 1217 [2021-03-12 16:30:01,095 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 4055 DAG size of output: 2990 [2021-03-12 16:30:02,383 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 6265 DAG size of output: 4361 [2021-03-12 16:30:05,148 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 9135 DAG size of output: 6293 [2021-03-12 16:30:06,022 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 4888 DAG size of output: 5320 [2021-03-12 16:30:06,596 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 4725 DAG size of output: 4723 [2021-03-12 16:30:07,109 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 2526 DAG size of output: 2586 [2021-03-12 16:30:07,376 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 2523 DAG size of output: 2523 [2021-03-12 16:30:07,749 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 2488 DAG size of output: 2574 [2021-03-12 16:30:09,831 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 900 DAG size of output: 760 [2021-03-12 16:30:10,010 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1243 DAG size of output: 1030 [2021-03-12 16:30:10,198 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1266 DAG size of output: 1051 [2021-03-12 16:30:10,605 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 2450 DAG size of output: 3274 [2021-03-12 16:30:10,764 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1617 [2021-03-12 16:30:11,097 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1713 [2021-03-12 16:30:11,314 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1530 DAG size of output: 1542 [2021-03-12 16:30:11,452 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1524 DAG size of output: 1524 [2021-03-12 16:30:12,146 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 798 [2021-03-12 16:30:12,383 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1585 DAG size of output: 1597 [2021-03-12 16:30:12,797 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 1579 [2021-03-12 16:30:13,326 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1233 DAG size of output: 847 [2021-03-12 16:30:13,587 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1400 DAG size of output: 976 [2021-03-12 16:30:13,864 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 1422 DAG size of output: 998 [2021-03-12 16:30:14,322 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 2336 DAG size of output: 2472 [2021-03-12 16:30:14,537 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 2325 DAG size of output: 2323 [2021-03-12 16:30:14,740 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 2290 DAG size of output: 2290 [2021-03-12 16:30:15,419 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1476 DAG size of output: 885 [2021-03-12 16:30:15,549 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1510 DAG size of output: 919 [2021-03-12 16:30:15,901 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 2276 DAG size of output: 2295 [2021-03-12 16:30:16,155 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1283 [2021-03-12 16:30:16,349 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 1088 [2021-03-12 16:30:17,500 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 2270 [2021-03-12 16:30:17,690 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 2237 DAG size of output: 2237 [2021-03-12 16:30:18,438 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1897 DAG size of output: 1153 [2021-03-12 16:30:18,780 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 2162 DAG size of output: 1371 [2021-03-12 16:30:19,455 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 3077 DAG size of output: 2012 [2021-03-12 16:30:20,304 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 3742 DAG size of output: 2570 [2021-03-12 16:30:21,215 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 3768 DAG size of output: 2549 [2021-03-12 16:30:21,544 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 2447 DAG size of output: 2524 [2021-03-12 16:30:23,840 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1190 DAG size of output: 1045 [2021-03-12 16:30:24,011 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1060 [2021-03-12 16:30:24,247 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 2427 DAG size of output: 2427 [2021-03-12 16:30:24,475 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 2390 DAG size of output: 2390 [2021-03-12 16:30:24,659 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 2357 DAG size of output: 1813 [2021-03-12 16:30:24,801 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1309 [2021-03-12 16:30:25,862 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 728 [2021-03-12 16:30:25,975 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 900 DAG size of output: 744 [2021-03-12 16:30:26,914 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 657 [2021-03-12 16:30:27,080 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 676 [2021-03-12 16:30:27,310 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1461 DAG size of output: 1152 [2021-03-12 16:30:27,604 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2135 DAG size of output: 1413 [2021-03-12 16:30:27,916 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 1438 [2021-03-12 16:30:28,237 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 2188 DAG size of output: 1447 [2021-03-12 16:30:28,777 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 2905 DAG size of output: 2057 [2021-03-12 16:30:30,226 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 4715 DAG size of output: 3316 [2021-03-12 16:30:31,951 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 6726 DAG size of output: 4822 [2021-03-12 16:30:32,436 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 2140 DAG size of output: 2291 [2021-03-12 16:30:32,738 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 1978 DAG size of output: 2131 [2021-03-12 16:30:34,819 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1115 DAG size of output: 957 [2021-03-12 16:30:35,016 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-03-12 16:30:35,202 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1369 DAG size of output: 1140 [2021-03-12 16:30:35,406 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1956 DAG size of output: 1934 [2021-03-12 16:30:35,579 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1142 DAG size of output: 1482 [2021-03-12 16:30:35,822 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 874 [2021-03-12 16:30:36,980 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 733 [2021-03-12 16:30:37,092 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 752 [2021-03-12 16:30:37,207 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 734 [2021-03-12 16:30:37,459 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 1180 [2021-03-12 16:30:37,584 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1030 DAG size of output: 1049 [2021-03-12 16:30:38,885 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 814 [2021-03-12 16:30:39,005 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 806 [2021-03-12 16:30:39,245 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1452 DAG size of output: 1189 [2021-03-12 16:30:39,583 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 2179 DAG size of output: 1731 [2021-03-12 16:30:40,091 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 2918 DAG size of output: 2090 [2021-03-12 16:30:40,328 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 2127 DAG size of output: 2065 [2021-03-12 16:30:40,446 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1227 DAG size of output: 1227 [2021-03-12 16:30:40,558 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 1196 [2021-03-12 16:30:43,129 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 947 [2021-03-12 16:30:43,302 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 952 [2021-03-12 16:30:43,488 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 968 [2021-03-12 16:30:43,687 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1711 DAG size of output: 1062 [2021-03-12 16:30:43,896 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1080 [2021-03-12 16:30:44,108 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1753 DAG size of output: 1038 [2021-03-12 16:30:44,423 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2522 DAG size of output: 1607 [2021-03-12 16:30:45,258 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 3834 DAG size of output: 2589 [2021-03-12 16:30:47,869 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 9122 DAG size of output: 6324 [2021-03-12 16:30:53,368 WARN L205 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 16780 DAG size of output: 11462 [2021-03-12 16:31:07,446 WARN L205 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 33151 DAG size of output: 22322 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown