/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 15:35:53,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 15:35:53,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 15:35:53,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 15:35:53,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-14 15:35:53,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 15:35:53,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 15:35:53,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 15:35:53,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 15:35:53,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 15:35:53,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 15:35:53,457 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 15:35:53,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 15:35:53,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 15:35:53,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 15:35:53,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 15:35:53,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 15:35:53,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 15:35:53,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 15:35:53,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 15:35:53,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 15:35:53,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 15:35:53,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 15:35:53,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 15:35:53,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 15:35:53,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 15:35:53,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 15:35:53,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 15:35:53,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 15:35:53,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 15:35:53,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 15:35:53,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 15:35:53,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 15:35:53,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 15:35:53,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 15:35:53,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 15:35:53,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 15:35:53,461 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 15:35:53,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 15:35:53,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 15:35:53,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 15:35:53,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 15:35:53,702 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 15:35:53,703 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 15:35:53,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-07-14 15:35:53,704 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-07-14 15:35:53,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 15:35:53,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 15:35:53,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 15:35:53,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 15:35:53,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 15:35:53,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 15:35:53,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 15:35:53,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 15:35:53,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 15:35:53,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/1) ... [2021-07-14 15:35:53,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 15:35:53,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 15:35:53,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 15:35:53,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 15:35:53,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (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 [2021-07-14 15:35:53,826 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 15:35:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 15:35:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 15:35:53,827 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 15:35:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 15:35:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 15:35:53,827 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 15:35:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 15:35:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 15:35:53,829 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 15:35:53,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 15:35:53,981 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 15:35:53,982 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 15:35:53,983 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:35:53 BoogieIcfgContainer [2021-07-14 15:35:53,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 15:35:53,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 15:35:53,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 15:35:53,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 15:35:53,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:35:53" (1/2) ... [2021-07-14 15:35:53,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2d9073 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:35:53, skipping insertion in model container [2021-07-14 15:35:53,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:35:53" (2/2) ... [2021-07-14 15:35:53,988 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-07-14 15:35:53,991 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 15:35:53,991 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 15:35:53,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 15:35:53,992 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 15:35:54,009 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 15:35:54,023 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 15:35:54,086 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 15:35:54,086 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 15:35:54,086 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 15:35:54,086 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 15:35:54,086 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 15:35:54,086 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 15:35:54,086 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 15:35:54,086 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 15:35:54,133 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:54,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:54,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1117752213, now seen corresponding path program 1 times [2021-07-14 15:35:54,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:54,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696598199] [2021-07-14 15:35:54,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:54,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:54,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696598199] [2021-07-14 15:35:54,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696598199] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 15:35:54,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 15:35:54,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 15:35:54,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109913726] [2021-07-14 15:35:54,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 15:35:54,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:54,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 15:35:54,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-14 15:35:54,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:54,296 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:54,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-07-14 15:35:54,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:54,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:54,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 15:35:54,347 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:54,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:54,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1312180789, now seen corresponding path program 1 times [2021-07-14 15:35:54,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:54,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677436134] [2021-07-14 15:35:54,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:54,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:54,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677436134] [2021-07-14 15:35:54,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677436134] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:54,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717204015] [2021-07-14 15:35:54,414 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 [2021-07-14 15:35:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:54,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 15:35:54,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:54,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 15:35:54,573 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:35:54,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:54,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:35:54,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-14 15:35:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:54,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717204015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:54,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:54,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 15:35:54,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682258353] [2021-07-14 15:35:54,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 15:35:54,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:54,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 15:35:54,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-14 15:35:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:54,596 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:54,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 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) [2021-07-14 15:35:54,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:54,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:54,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:35:54,857 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:54,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:54,858 INFO L82 PathProgramCache]: Analyzing trace with hash -669307477, now seen corresponding path program 2 times [2021-07-14 15:35:54,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:54,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166921374] [2021-07-14 15:35:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:54,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:54,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166921374] [2021-07-14 15:35:54,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166921374] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:54,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018215050] [2021-07-14 15:35:54,899 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 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 [2021-07-14 15:35:54,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:35:54,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:35:54,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 15:35:54,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:55,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018215050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:55,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:55,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-14 15:35:55,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081593633] [2021-07-14 15:35:55,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 15:35:55,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:55,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 15:35:55,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 15:35:55,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:55,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:55,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-07-14 15:35:55,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:55,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:55,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:55,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:55,270 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:35:55,272 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:55,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:55,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1551916118, now seen corresponding path program 1 times [2021-07-14 15:35:55,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:55,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613977396] [2021-07-14 15:35:55,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:55,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:55,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613977396] [2021-07-14 15:35:55,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613977396] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:55,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922631989] [2021-07-14 15:35:55,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-14 15:35:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:55,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 15:35:55,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:55,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:55,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 15:35:55,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:35:55,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:55,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:35:55,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 15:35:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:55,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922631989] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:55,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:55,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 15:35:55,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155869895] [2021-07-14 15:35:55,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 15:35:55,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:55,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 15:35:55,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-14 15:35:55,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:55,504 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:55,504 INFO L483 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) [2021-07-14 15:35:55,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:55,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:55,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:55,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:55,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:35:55,821 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:55,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:55,821 INFO L82 PathProgramCache]: Analyzing trace with hash 12204620, now seen corresponding path program 2 times [2021-07-14 15:35:55,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:55,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90485802] [2021-07-14 15:35:55,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:55,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:55,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90485802] [2021-07-14 15:35:55,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90485802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:55,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392812941] [2021-07-14 15:35:55,912 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 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 [2021-07-14 15:35:55,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:35:55,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:35:55,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 15:35:55,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:56,072 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:56,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-14 15:35:56,093 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:35:56,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:56,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:35:56,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 15:35:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:56,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392812941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:56,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:56,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 15:35:56,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852893958] [2021-07-14 15:35:56,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 15:35:56,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:56,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 15:35:56,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 15:35:56,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:56,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:56,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 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) [2021-07-14 15:35:56,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:56,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:56,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:56,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:56,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:56,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:35:56,417 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:56,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:56,417 INFO L82 PathProgramCache]: Analyzing trace with hash -474211562, now seen corresponding path program 3 times [2021-07-14 15:35:56,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:56,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594854789] [2021-07-14 15:35:56,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:56,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:56,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594854789] [2021-07-14 15:35:56,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594854789] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:56,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869656833] [2021-07-14 15:35:56,462 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:35:56,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 15:35:56,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:35:56,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 15:35:56,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:56,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869656833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:56,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:56,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 15:35:56,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022679512] [2021-07-14 15:35:56,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 15:35:56,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:56,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 15:35:56,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 15:35:56,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:56,533 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:56,534 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:35:56,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:56,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:56,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:56,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:56,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:56,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:56,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:35:56,811 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:56,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:56,811 INFO L82 PathProgramCache]: Analyzing trace with hash -990045109, now seen corresponding path program 4 times [2021-07-14 15:35:56,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:56,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232163769] [2021-07-14 15:35:56,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:56,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:56,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232163769] [2021-07-14 15:35:56,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232163769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:56,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840492825] [2021-07-14 15:35:56,919 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:35:56,952 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:35:56,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:35:56,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 15:35:56,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:57,158 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:57,158 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 [2021-07-14 15:35:57,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:35:57,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:57,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:35:57,199 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 15:35:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:57,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840492825] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:57,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:57,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 15:35:57,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974875466] [2021-07-14 15:35:57,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 15:35:57,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:57,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 15:35:57,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-07-14 15:35:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:57,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:57,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 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) [2021-07-14 15:35:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:57,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:57,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:35:57,587 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 15:35:57,587 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:57,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:57,587 INFO L82 PathProgramCache]: Analyzing trace with hash -284560747, now seen corresponding path program 5 times [2021-07-14 15:35:57,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:57,588 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043689923] [2021-07-14 15:35:57,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:57,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:57,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043689923] [2021-07-14 15:35:57,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043689923] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:57,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858837554] [2021-07-14 15:35:57,678 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 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 [2021-07-14 15:35:57,713 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 15:35:57,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:35:57,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 15:35:57,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:57,902 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:57,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-14 15:35:57,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:35:57,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:57,975 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:35:57,975 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-14 15:35:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:57,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858837554] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:57,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:57,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 15:35:57,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920956553] [2021-07-14 15:35:57,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 15:35:57,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:57,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 15:35:57,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-07-14 15:35:57,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:57,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:57,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 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) [2021-07-14 15:35:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:35:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:58,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:58,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:58,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:35:58,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:35:58,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-14 15:35:58,407 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:58,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:58,407 INFO L82 PathProgramCache]: Analyzing trace with hash 110617995, now seen corresponding path program 6 times [2021-07-14 15:35:58,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:58,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379095312] [2021-07-14 15:35:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:58,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:58,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379095312] [2021-07-14 15:35:58,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379095312] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:58,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297159147] [2021-07-14 15:35:58,465 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:35:58,498 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 15:35:58,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:35:58,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 15:35:58,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:58,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297159147] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:58,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:58,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-07-14 15:35:58,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573767149] [2021-07-14 15:35:58,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 15:35:58,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:58,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 15:35:58,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-07-14 15:35:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:58,542 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:58,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 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) [2021-07-14 15:35:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:58,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:58,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:58,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:58,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:35:58,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:35:58,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:35:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:35:58,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 15:35:58,853 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:35:58,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:35:58,853 INFO L82 PathProgramCache]: Analyzing trace with hash -40198026, now seen corresponding path program 7 times [2021-07-14 15:35:58,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:35:58,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498441625] [2021-07-14 15:35:58,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:35:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:58,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:35:58,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498441625] [2021-07-14 15:35:58,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498441625] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:58,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579910708] [2021-07-14 15:35:58,986 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 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 [2021-07-14 15:35:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:35:59,015 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 15:35:59,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:35:59,300 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:59,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 15:35:59,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:35:59,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:35:59,551 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:35:59,551 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 15:35:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:35:59,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579910708] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:35:59,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:35:59,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-14 15:35:59,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022131583] [2021-07-14 15:35:59,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 15:35:59,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:35:59,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 15:35:59,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 15:35:59,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:59,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:35:59,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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) [2021-07-14 15:35:59,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:59,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:35:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:35:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:35:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:35:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:35:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:35:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:35:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:35:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:35:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:35:59,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:35:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:35:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:00,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 15:36:00,095 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:36:00,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:36:00,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1769450988, now seen corresponding path program 8 times [2021-07-14 15:36:00,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:36:00,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969154164] [2021-07-14 15:36:00,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:36:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:36:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:00,221 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:36:00,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969154164] [2021-07-14 15:36:00,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969154164] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:00,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450675100] [2021-07-14 15:36:00,221 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 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 [2021-07-14 15:36:00,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:36:00,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:36:00,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 15:36:00,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:36:00,603 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:00,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-14 15:36:01,105 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:36:01,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:01,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:36:01,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-14 15:36:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:01,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450675100] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:01,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:36:01,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-14 15:36:01,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469345853] [2021-07-14 15:36:01,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 15:36:01,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:36:01,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 15:36:01,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-14 15:36:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:01,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:36:01,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 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) [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:01,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:01,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-07-14 15:36:01,679 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:36:01,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:36:01,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2033995574, now seen corresponding path program 9 times [2021-07-14 15:36:01,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:36:01,679 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289132321] [2021-07-14 15:36:01,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:36:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:36:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:01,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:36:01,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289132321] [2021-07-14 15:36:01,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289132321] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:01,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119574591] [2021-07-14 15:36:01,762 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 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 [2021-07-14 15:36:01,788 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 15:36:01,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:36:01,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 15:36:01,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:36:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:01,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119574591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:01,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:36:01,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-14 15:36:01,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732240983] [2021-07-14 15:36:01,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 15:36:01,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:36:01,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 15:36:01,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-07-14 15:36:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:01,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:36:01,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:02,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:36:02,225 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:36:02,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:36:02,226 INFO L82 PathProgramCache]: Analyzing trace with hash -545035221, now seen corresponding path program 10 times [2021-07-14 15:36:02,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:36:02,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172136213] [2021-07-14 15:36:02,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:36:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:36:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:02,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:36:02,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172136213] [2021-07-14 15:36:02,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172136213] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:02,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824936129] [2021-07-14 15:36:02,406 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:36:02,433 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 15:36:02,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:36:02,434 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 15:36:02,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:36:02,959 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 15:36:02,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:02,960 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 [2021-07-14 15:36:04,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:36:04,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:04,803 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:36:04,803 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 15:36:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:04,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824936129] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:04,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:36:04,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-14 15:36:04,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292750211] [2021-07-14 15:36:04,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 15:36:04,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:36:04,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 15:36:04,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-14 15:36:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:04,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:36:04,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:36:04,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:04,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:04,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:04,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:04,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:04,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:04,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:04,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 15:36:05,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-14 15:36:05,513 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:36:05,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:36:05,514 INFO L82 PathProgramCache]: Analyzing trace with hash 279241461, now seen corresponding path program 11 times [2021-07-14 15:36:05,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:36:05,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801235695] [2021-07-14 15:36:05,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:36:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:36:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:05,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:36:05,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801235695] [2021-07-14 15:36:05,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801235695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:05,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141009589] [2021-07-14 15:36:05,707 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 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 [2021-07-14 15:36:05,749 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 15:36:05,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:36:05,749 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 15:36:05,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:36:06,284 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 15:36:06,284 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:06,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-14 15:36:07,304 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-14 15:36:08,368 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-07-14 15:36:08,541 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-14 15:36:08,684 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-14 15:36:09,052 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-14 15:36:09,339 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-14 15:36:09,659 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-14 15:36:10,075 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-14 15:36:10,933 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 203 [2021-07-14 15:36:11,075 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-14 15:36:11,198 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-14 15:36:11,385 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-14 15:36:12,316 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 174 [2021-07-14 15:36:12,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:36:12,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:12,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:36:12,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 15:36:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:12,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141009589] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:12,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:36:12,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-14 15:36:12,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321611917] [2021-07-14 15:36:12,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 15:36:12,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:36:12,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 15:36:12,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-07-14 15:36:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:12,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:36:12,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 15:36:12,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 15:36:13,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 15:36:13,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:36:13,428 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:36:13,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:36:13,429 INFO L82 PathProgramCache]: Analyzing trace with hash 62014827, now seen corresponding path program 12 times [2021-07-14 15:36:13,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:36:13,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594698956] [2021-07-14 15:36:13,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:36:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:36:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:13,560 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:36:13,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594698956] [2021-07-14 15:36:13,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594698956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:13,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713820032] [2021-07-14 15:36:13,561 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 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 [2021-07-14 15:36:13,602 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 15:36:13,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:36:13,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 15:36:13,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:36:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:13,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713820032] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:13,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:36:13,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 15:36:13,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640300298] [2021-07-14 15:36:13,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 15:36:13,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:36:13,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 15:36:13,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 15:36:13,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:13,677 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:36:13,677 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 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) [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 15:36:13,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:13,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 15:36:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:14,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable900,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:36:14,121 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:36:14,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:36:14,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1546896234, now seen corresponding path program 13 times [2021-07-14 15:36:14,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:36:14,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850463438] [2021-07-14 15:36:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:36:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:36:14,393 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:14,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:36:14,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850463438] [2021-07-14 15:36:14,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850463438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:14,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589472368] [2021-07-14 15:36:14,394 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 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 [2021-07-14 15:36:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:36:14,438 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 15:36:14,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:36:15,257 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 15:36:15,258 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:15,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 15:36:16,220 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-14 15:36:16,387 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-14 15:36:16,558 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-14 15:36:16,750 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-14 15:36:17,124 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-14 15:36:17,330 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-14 15:36:17,575 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-14 15:36:17,762 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-14 15:36:18,197 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-14 15:36:18,953 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-14 15:36:19,183 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-14 15:36:19,293 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-14 15:36:20,401 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-14 15:36:20,847 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-14 15:36:21,035 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-14 15:36:21,899 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-14 15:36:22,376 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-14 15:36:22,812 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-14 15:36:23,071 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-14 15:36:23,817 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-14 15:36:24,565 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-14 15:36:25,391 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-14 15:36:26,370 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-14 15:36:26,543 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-14 15:36:27,352 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-14 15:36:27,683 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-14 15:36:28,113 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-14 15:36:28,586 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-14 15:36:29,056 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-14 15:36:29,580 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-14 15:36:30,131 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-14 15:36:30,373 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-14 15:36:30,564 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-14 15:36:30,769 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-14 15:36:31,485 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-14 15:36:32,083 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-14 15:36:32,358 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-14 15:36:33,537 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-14 15:36:34,038 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-14 15:36:34,998 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-14 15:36:35,847 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-14 15:36:36,894 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-14 15:36:37,917 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-14 15:36:38,935 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-14 15:36:40,022 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-14 15:36:40,178 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-14 15:36:40,507 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-14 15:36:41,182 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-14 15:36:41,349 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-14 15:36:41,508 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-14 15:36:41,678 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-14 15:36:41,845 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-14 15:36:42,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 15:36:42,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:42,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 15:36:42,154 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 15:36:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:42,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589472368] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:42,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 15:36:42,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-14 15:36:42,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307035615] [2021-07-14 15:36:42,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 15:36:42,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 15:36:42,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 15:36:42,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 15:36:42,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:42,160 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 15:36:42,160 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 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) [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:42,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:42,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:42,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 15:36:42,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 15:36:42,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:42,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 15:36:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 15:36:42,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 15:36:42,957 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 15:36:42,957 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 15:36:42,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 15:36:42,958 INFO L82 PathProgramCache]: Analyzing trace with hash 151705996, now seen corresponding path program 14 times [2021-07-14 15:36:42,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 15:36:42,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572562684] [2021-07-14 15:36:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 15:36:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 15:36:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 15:36:43,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 15:36:43,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572562684] [2021-07-14 15:36:43,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572562684] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 15:36:43,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439461812] [2021-07-14 15:36:43,177 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 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 [2021-07-14 15:36:43,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 15:36:43,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 15:36:43,206 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 15:36:43,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 15:36:43,966 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-14 15:36:43,967 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 15:36:43,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-14 15:36:45,142 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-14 15:36:45,297 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-14 15:36:45,501 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-14 15:36:46,738 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-14 15:36:46,922 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-14 15:36:47,154 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-14 15:36:47,675 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-14 15:36:48,202 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-14 15:36:48,839 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-14 15:36:49,580 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-14 15:36:50,423 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-14 15:36:51,265 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-14 15:36:52,274 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-14 15:36:54,487 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-14 15:36:56,123 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-14 15:36:57,128 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-14 15:36:58,643 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-14 15:36:59,448 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-14 15:36:59,766 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-14 15:37:00,658 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-14 15:37:00,765 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-14 15:37:00,905 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-14 15:37:01,890 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-14 15:37:02,075 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-14 15:37:02,268 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-14 15:37:03,072 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-14 15:37:03,387 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-14 15:37:03,776 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-14 15:37:04,869 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-14 15:37:05,034 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-14 15:37:05,533 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-14 15:37:06,006 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-14 15:37:06,160 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-14 15:37:06,369 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-14 15:37:06,523 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-14 15:37:07,124 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-14 15:37:07,402 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-14 15:37:07,521 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-14 15:37:07,680 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-14 15:37:07,837 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-14 15:37:08,408 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-14 15:37:09,027 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-14 15:37:09,189 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-14 15:37:09,410 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-14 15:37:09,732 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-14 15:37:11,020 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-14 15:37:11,175 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-14 15:37:11,626 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-14 15:37:12,646 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-14 15:37:14,061 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-14 15:37:14,228 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-14 15:37:14,428 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-14 15:37:14,571 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-14 15:37:15,366 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-14 15:37:15,533 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-14 15:37:15,867 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-14 15:37:16,776 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-14 15:37:17,010 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-14 15:37:18,048 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-14 15:37:18,238 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-14 15:37:18,716 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-14 15:37:19,327 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-14 15:37:20,043 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-14 15:37:21,324 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-14 15:37:21,481 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-14 15:37:21,710 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-14 15:37:21,982 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-14 15:37:22,651 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-14 15:37:23,095 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-14 15:37:23,330 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-14 15:37:24,189 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-14 15:37:24,545 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-14 15:37:25,461 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-14 15:37:25,619 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-14 15:37:26,242 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-14 15:37:26,965 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-14 15:37:28,221 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-14 15:37:30,293 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-14 15:37:31,217 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-14 15:37:31,380 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-14 15:37:32,022 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-14 15:37:32,705 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-14 15:37:33,061 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-14 15:37:33,200 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-14 15:37:34,142 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-14 15:37:34,956 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-14 15:37:35,145 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-14 15:37:35,551 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-14 15:37:36,543 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-14 15:37:37,116 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-14 15:37:37,569 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-14 15:37:37,808 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-14 15:37:38,336 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-14 15:37:38,759 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-14 15:37:39,192 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-14 15:37:39,959 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-14 15:37:40,293 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-14 15:37:41,099 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-14 15:37:42,088 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-14 15:37:43,585 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-14 15:37:45,887 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-14 15:37:50,679 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-14 15:37:57,117 WARN L205 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-14 15:38:05,185 WARN L205 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-14 15:38:14,580 WARN L205 SmtUtils]: Spent 9.38 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-14 15:38:15,855 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-14 15:38:16,678 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-14 15:38:16,841 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-14 15:38:17,075 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-14 15:38:18,277 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-14 15:38:18,794 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-14 15:38:19,419 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-14 15:38:19,547 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-14 15:38:20,455 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-14 15:38:20,702 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-14 15:38:20,949 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-14 15:38:21,442 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-14 15:38:22,187 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-14 15:38:22,896 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-14 15:38:23,073 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-14 15:38:23,921 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-14 15:38:24,158 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-14 15:38:24,597 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-14 15:38:25,859 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-14 15:38:27,359 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-14 15:38:27,631 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-14 15:38:27,782 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-14 15:38:27,907 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-14 15:38:28,132 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-14 15:38:28,765 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-14 15:38:29,043 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-14 15:38:29,607 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-14 15:38:30,133 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-14 15:38:30,695 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-14 15:38:31,596 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-14 15:38:31,968 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-14 15:38:32,752 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-14 15:38:33,404 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-14 15:38:33,550 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-14 15:38:33,793 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-14 15:38:35,018 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-14 15:38:35,560 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-14 15:38:35,912 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-14 15:38:37,118 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-14 15:38:38,542 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-14 15:38:41,732 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-14 15:38:41,983 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-14 15:38:42,091 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-14 15:38:42,919 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-14 15:38:43,778 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-14 15:38:43,978 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-14 15:38:44,182 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-14 15:38:44,360 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-14 15:38:44,670 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-14 15:38:45,017 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-14 15:38:45,195 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-14 15:38:45,469 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-14 15:38:45,920 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-14 15:38:46,095 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-14 15:38:46,342 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-14 15:38:46,474 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-14 15:38:47,070 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-14 15:38:47,444 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-14 15:38:47,631 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-14 15:38:47,890 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-14 15:38:48,292 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-14 15:38:48,888 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-14 15:38:49,021 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-14 15:38:49,938 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-14 15:38:50,876 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-14 15:38:51,081 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-14 15:38:51,292 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-14 15:38:51,632 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-14 15:38:52,120 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-14 15:38:53,062 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-14 15:38:53,299 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-14 15:38:53,780 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-14 15:38:54,974 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-14 15:39:00,086 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-14 15:39:05,863 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-14 15:39:13,184 WARN L205 SmtUtils]: Spent 7.31 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-14 15:39:21,721 WARN L205 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-14 15:39:22,692 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-14 15:39:23,510 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-14 15:39:23,666 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-14 15:39:24,666 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-14 15:39:24,813 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-14 15:39:24,991 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-14 15:39:25,265 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-14 15:39:26,126 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-14 15:39:26,630 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-14 15:39:27,341 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-14 15:39:28,171 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-14 15:39:29,664 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-14 15:39:29,782 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-14 15:39:29,923 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-14 15:39:30,146 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-14 15:39:30,847 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-14 15:39:31,586 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-14 15:39:31,965 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-14 15:39:32,511 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-14 15:39:34,064 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-14 15:39:35,723 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-14 15:39:37,608 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-14 15:39:49,425 WARN L205 SmtUtils]: Spent 11.81 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-14 15:40:12,323 WARN L205 SmtUtils]: Spent 22.87 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-14 15:40:38,152 WARN L205 SmtUtils]: Spent 25.79 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-14 15:40:39,310 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-14 15:40:39,461 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-14 15:40:40,825 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-14 15:40:41,027 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-14 15:40:41,439 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-14 15:40:41,929 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-14 15:41:11,270 WARN L205 SmtUtils]: Spent 29.33 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-14 15:41:44,371 WARN L205 SmtUtils]: Spent 33.06 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-14 15:42:17,504 WARN L205 SmtUtils]: Spent 33.10 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-14 15:42:54,549 WARN L205 SmtUtils]: Spent 37.02 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-14 15:43:50,424 WARN L205 SmtUtils]: Spent 55.84 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-14 15:44:45,723 WARN L205 SmtUtils]: Spent 55.26 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-14 15:45:43,675 WARN L205 SmtUtils]: Spent 57.92 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-14 15:45:51,128 WARN L205 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-14 15:46:04,030 WARN L205 SmtUtils]: Spent 12.89 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-14 15:46:04,286 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-14 15:46:12,610 WARN L205 SmtUtils]: Spent 8.32 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-14 15:46:13,109 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-14 15:46:13,479 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-14 15:46:18,138 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-14 15:46:18,257 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-14 15:46:18,366 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-14 15:46:19,402 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-14 15:46:19,854 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-14 15:46:20,159 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-14 15:46:21,230 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-14 15:46:21,341 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-14 15:46:21,811 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-14 15:46:22,170 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-14 15:46:23,257 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-14 15:46:23,516 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-14 15:46:23,893 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-14 15:46:24,362 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-14 15:46:25,467 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-14 15:46:25,688 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-14 15:46:26,925 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-14 15:46:27,082 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-14 15:46:27,597 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-14 15:46:27,938 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-14 15:46:28,049 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-14 15:46:29,626 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-14 15:46:30,070 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-14 15:46:30,332 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-14 15:46:30,708 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-14 15:46:31,565 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-14 15:46:33,685 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-14 15:46:36,262 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-14 15:46:39,309 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-14 15:46:44,523 WARN L205 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-14 15:46:44,896 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-14 15:46:45,106 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-14 15:46:46,422 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-14 15:46:46,661 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-14 15:46:47,014 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-14 15:46:52,722 WARN L205 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-14 15:46:53,309 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-14 15:46:54,007 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-14 15:46:54,161 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-14 15:46:54,377 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-14 15:46:54,481 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-14 15:46:55,172 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-14 15:46:55,324 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-14 15:46:55,939 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-14 15:46:56,088 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-14 15:46:56,282 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-14 15:46:56,638 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-14 15:46:57,268 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-14 15:46:58,060 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-14 15:47:05,316 WARN L205 SmtUtils]: Spent 7.25 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-14 15:47:13,717 WARN L205 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-14 15:47:30,761 WARN L205 SmtUtils]: Spent 17.01 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-14 15:47:56,210 WARN L205 SmtUtils]: Spent 25.41 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-14 15:49:06,545 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-14 15:49:24,283 WARN L205 SmtUtils]: Spent 17.72 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-14 15:49:24,703 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-14 15:49:24,927 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-14 15:49:25,033 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-14 15:49:26,031 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-14 15:49:26,277 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-14 15:49:26,420 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-14 15:49:27,220 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-14 15:49:27,451 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-14 15:49:27,736 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-14 15:49:28,538 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-14 15:49:29,231 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-14 15:49:46,124 WARN L205 SmtUtils]: Spent 16.88 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-14 15:49:53,259 WARN L205 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-07-14 15:49:57,955 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-14 15:49:58,237 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-07-14 15:49:58,502 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-07-14 15:49:58,734 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-07-14 15:49:58,850 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-14 15:49:59,907 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-07-14 15:50:00,143 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-07-14 15:50:00,393 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-07-14 15:50:00,509 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-14 15:50:01,241 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-07-14 15:50:01,514 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-07-14 15:50:01,723 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-07-14 15:50:02,246 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-07-14 15:50:02,917 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-07-14 15:50:03,761 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-07-14 15:50:04,017 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-14 15:50:04,257 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-14 15:50:04,611 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 880 [2021-07-14 15:50:05,606 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-07-14 15:50:05,793 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-07-14 15:50:06,044 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-07-14 15:50:06,152 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 605 [2021-07-14 15:50:07,368 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-07-14 15:50:07,558 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-07-14 15:50:07,830 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-07-14 15:50:08,410 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-07-14 15:50:09,149 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-07-14 15:50:10,085 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-07-14 15:50:12,024 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-07-14 15:50:12,332 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-07-14 15:50:12,707 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-07-14 15:50:12,842 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-07-14 15:50:13,402 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-07-14 15:50:13,602 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 378 [2021-07-14 15:50:14,033 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-14 15:50:14,707 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-07-14 15:50:14,919 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-07-14 15:50:15,158 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-07-14 15:50:15,477 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-07-14 15:50:15,915 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-07-14 15:50:16,060 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-07-14 15:50:16,432 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-14 15:50:17,605 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-07-14 15:50:17,814 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-07-14 15:50:18,028 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-07-14 15:50:18,327 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-07-14 15:50:18,750 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-07-14 15:50:19,717 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-07-14 15:50:20,882 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 [2021-07-14 15:50:24,497 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 [2021-07-14 15:50:30,470 WARN L205 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 3337 DAG size of output: 1964 [2021-07-14 15:50:30,727 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 292 [2021-07-14 15:50:30,889 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 226 [2021-07-14 15:50:31,653 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 239 [2021-07-14 15:50:31,837 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 288 [2021-07-14 15:50:32,056 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 297 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown