/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 08:11:47,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 08:11:47,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 08:11:48,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 08:11:48,043 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-NewStatesSleep-NoLbe.epf [2021-04-15 08:11:48,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 08:11:48,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 08:11:48,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 08:11:48,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 08:11:48,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 08:11:48,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 08:11:48,060 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 08:11:48,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 08:11:48,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 08:11:48,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 08:11:48,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 08:11:48,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 08:11:48,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 08:11:48,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 08:11:48,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 08:11:48,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 08:11:48,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 08:11:48,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 08:11:48,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 08:11:48,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 08:11:48,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 08:11:48,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 08:11:48,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 08:11:48,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 08:11:48,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 08:11:48,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 08:11:48,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 08:11:48,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 08:11:48,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 08:11:48,063 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 08:11:48,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 08:11:48,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 08:11:48,064 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 08:11:48,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 08:11:48,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 08:11:48,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 08:11:48,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 08:11:48,300 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 08:11:48,301 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 08:11:48,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-04-15 08:11:48,304 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-04-15 08:11:48,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 08:11:48,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 08:11:48,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 08:11:48,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 08:11:48,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 08:11:48,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 08:11:48,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 08:11:48,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 08:11:48,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 08:11:48,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/1) ... [2021-04-15 08:11:48,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 08:11:48,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 08:11:48,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 08:11:48,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 08:11:48,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (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 [2021-04-15 08:11:48,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 08:11:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 08:11:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 08:11:48,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 08:11:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 08:11:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 08:11:48,446 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 08:11:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 08:11:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 08:11:48,447 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 08:11:48,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 08:11:48,718 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-04-15 08:11:48,718 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-04-15 08:11:48,719 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 08:11:48 BoogieIcfgContainer [2021-04-15 08:11:48,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 08:11:48,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 08:11:48,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 08:11:48,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 08:11:48,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:11:48" (1/2) ... [2021-04-15 08:11:48,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae60d1c and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 08:11:48, skipping insertion in model container [2021-04-15 08:11:48,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 08:11:48" (2/2) ... [2021-04-15 08:11:48,724 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-04-15 08:11:48,727 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 08:11:48,727 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 08:11:48,729 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 08:11:48,730 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 08:11:48,750 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-04-15 08:11:48,761 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-04-15 08:11:48,818 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 08:11:48,818 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 08:11:48,818 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 08:11:48,818 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 08:11:48,818 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 08:11:48,818 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 08:11:48,818 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 08:11:48,820 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 08:11:48,845 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:48,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:48,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1298021065, now seen corresponding path program 1 times [2021-04-15 08:11:48,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:48,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80084400] [2021-04-15 08:11:48,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:49,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80084400] [2021-04-15 08:11:49,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:11:49,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 08:11:49,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480568634] [2021-04-15 08:11:49,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-15 08:11:49,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:49,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-15 08:11:49,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-15 08:11:49,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:49,036 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:49,037 INFO L481 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) [2021-04-15 08:11:49,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:49,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:49,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 08:11:49,060 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:49,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:49,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1876900165, now seen corresponding path program 1 times [2021-04-15 08:11:49,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:49,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583617930] [2021-04-15 08:11:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:49,211 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2021-04-15 08:11:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:49,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583617930] [2021-04-15 08:11:49,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934737536] [2021-04-15 08:11:49,233 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 [2021-04-15 08:11:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:49,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-15 08:11:49,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:49,451 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 [2021-04-15 08:11:49,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:49,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:49,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:49,456 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-04-15 08:11:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:49,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:49,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-04-15 08:11:49,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481701166] [2021-04-15 08:11:49,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-15 08:11:49,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:49,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-15 08:11:49,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-04-15 08:11:49,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:49,472 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:49,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 08:11:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:49,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:11:49,729 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:49,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:49,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1515210487, now seen corresponding path program 2 times [2021-04-15 08:11:49,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:49,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565097713] [2021-04-15 08:11:49,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:49,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565097713] [2021-04-15 08:11:49,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321668875] [2021-04-15 08:11:49,921 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 [2021-04-15 08:11:49,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 08:11:49,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:49,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-04-15 08:11:49,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:50,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:50,072 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 [2021-04-15 08:11:50,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:50,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:50,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:50,077 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-04-15 08:11:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:50,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:50,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-15 08:11:50,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936272365] [2021-04-15 08:11:50,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 08:11:50,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:50,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 08:11:50,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-04-15 08:11:50,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:50,094 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:50,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 08:11:50,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:50,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:50,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:50,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:50,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:50,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:11:50,365 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:50,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:50,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1107234939, now seen corresponding path program 3 times [2021-04-15 08:11:50,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:50,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090164590] [2021-04-15 08:11:50,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:50,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090164590] [2021-04-15 08:11:50,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604998101] [2021-04-15 08:11:50,483 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 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 [2021-04-15 08:11:50,503 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-15 08:11:50,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:50,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-15 08:11:50,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:50,722 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:50,722 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 [2021-04-15 08:11:50,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:50,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:50,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:50,747 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-04-15 08:11:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:50,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:50,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-15 08:11:50,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364331772] [2021-04-15 08:11:50,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 08:11:50,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:50,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 08:11:50,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-04-15 08:11:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:50,759 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:50,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 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) [2021-04-15 08:11:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:50,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:11:51,029 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:51,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:51,029 INFO L82 PathProgramCache]: Analyzing trace with hash -798664521, now seen corresponding path program 4 times [2021-04-15 08:11:51,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:51,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823306332] [2021-04-15 08:11:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:51,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823306332] [2021-04-15 08:11:51,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389953232] [2021-04-15 08:11:51,063 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 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 [2021-04-15 08:11:51,082 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 08:11:51,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:51,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-15 08:11:51,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:51,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:51,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-04-15 08:11:51,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140297522] [2021-04-15 08:11:51,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 08:11:51,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:51,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 08:11:51,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-15 08:11:51,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:51,145 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:51,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 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) [2021-04-15 08:11:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:51,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:51,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-04-15 08:11:51,391 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:51,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:51,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1836816026, now seen corresponding path program 1 times [2021-04-15 08:11:51,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:51,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061300168] [2021-04-15 08:11:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:51,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061300168] [2021-04-15 08:11:51,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593474197] [2021-04-15 08:11:51,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-04-15 08:11:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:51,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-15 08:11:51,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:51,725 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:51,725 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 [2021-04-15 08:11:51,762 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:51,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:51,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:51,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-04-15 08:11:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:51,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:51,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-04-15 08:11:51,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343895250] [2021-04-15 08:11:51,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-15 08:11:51,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:51,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-15 08:11:51,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-04-15 08:11:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:51,770 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:51,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 08:11:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:51,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:51,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:51,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:51,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:52,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:11:52,113 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:52,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:52,115 INFO L82 PathProgramCache]: Analyzing trace with hash 2020244300, now seen corresponding path program 2 times [2021-04-15 08:11:52,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:52,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344554159] [2021-04-15 08:11:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:52,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344554159] [2021-04-15 08:11:52,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298229960] [2021-04-15 08:11:52,217 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-15 08:11:52,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 08:11:52,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:52,247 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-04-15 08:11:52,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:11:52,440 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:52,440 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 [2021-04-15 08:11:52,517 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:52,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:52,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:52,518 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-04-15 08:11:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:52,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:52,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-04-15 08:11:52,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697357945] [2021-04-15 08:11:52,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-04-15 08:11:52,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:52,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-04-15 08:11:52,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-04-15 08:11:52,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:52,526 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:52,526 INFO L481 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) [2021-04-15 08:11:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:52,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:52,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:52,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:52,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:11:52,845 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:52,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:52,845 INFO L82 PathProgramCache]: Analyzing trace with hash -883413798, now seen corresponding path program 3 times [2021-04-15 08:11:52,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:52,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800771206] [2021-04-15 08:11:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:52,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800771206] [2021-04-15 08:11:52,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953473622] [2021-04-15 08:11:52,961 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 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 [2021-04-15 08:11:52,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-15 08:11:52,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:52,991 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-04-15 08:11:52,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:53,204 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:53,204 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 [2021-04-15 08:11:53,366 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:53,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:53,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:53,367 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-04-15 08:11:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:53,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:53,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-04-15 08:11:53,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480903075] [2021-04-15 08:11:53,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-15 08:11:53,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:53,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-15 08:11:53,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-04-15 08:11:53,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:53,374 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:53,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 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) [2021-04-15 08:11:53,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:53,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:53,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:53,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:53,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:53,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:53,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:53,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:53,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-04-15 08:11:53,716 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:53,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:53,716 INFO L82 PathProgramCache]: Analyzing trace with hash -702501620, now seen corresponding path program 4 times [2021-04-15 08:11:53,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:53,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217525156] [2021-04-15 08:11:53,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:53,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217525156] [2021-04-15 08:11:53,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809949179] [2021-04-15 08:11:53,818 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 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 [2021-04-15 08:11:53,839 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 08:11:53,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:53,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-04-15 08:11:53,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:54,110 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:54,111 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 [2021-04-15 08:11:54,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:54,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:54,349 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:54,349 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-04-15 08:11:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:54,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:54,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-04-15 08:11:54,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312948282] [2021-04-15 08:11:54,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-04-15 08:11:54,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:54,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-04-15 08:11:54,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-04-15 08:11:54,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:54,356 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:54,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 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) [2021-04-15 08:11:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:54,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:54,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-04-15 08:11:54,729 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:54,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:54,729 INFO L82 PathProgramCache]: Analyzing trace with hash 610808602, now seen corresponding path program 5 times [2021-04-15 08:11:54,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:54,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823942716] [2021-04-15 08:11:54,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:54,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823942716] [2021-04-15 08:11:54,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403433893] [2021-04-15 08:11:54,787 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 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 [2021-04-15 08:11:54,815 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-04-15 08:11:54,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:54,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-04-15 08:11:54,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:54,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:54,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-04-15 08:11:54,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524911861] [2021-04-15 08:11:54,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-15 08:11:54,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:54,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-15 08:11:54,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-04-15 08:11:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:54,872 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:54,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 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) [2021-04-15 08:11:54,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:54,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:54,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:11:55,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable202 [2021-04-15 08:11:55,163 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:55,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:55,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1714157417, now seen corresponding path program 6 times [2021-04-15 08:11:55,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:55,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053805052] [2021-04-15 08:11:55,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:55,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053805052] [2021-04-15 08:11:55,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913496180] [2021-04-15 08:11:55,297 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 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 [2021-04-15 08:11:55,320 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-04-15 08:11:55,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:55,321 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 41 conjunts are in the unsatisfiable core [2021-04-15 08:11:55,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:55,742 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:55,743 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 [2021-04-15 08:11:56,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:56,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:56,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:56,419 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-04-15 08:11:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:56,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:56,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-04-15 08:11:56,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066487954] [2021-04-15 08:11:56,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-04-15 08:11:56,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:56,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-04-15 08:11:56,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-04-15 08:11:56,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:56,428 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:56,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 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) [2021-04-15 08:11:56,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:56,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:56,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:11:56,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:56,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:11:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:11:56,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable203 [2021-04-15 08:11:56,917 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:56,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:56,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1951548197, now seen corresponding path program 7 times [2021-04-15 08:11:56,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:56,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350743855] [2021-04-15 08:11:56,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:57,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350743855] [2021-04-15 08:11:57,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030753649] [2021-04-15 08:11:57,100 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 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 [2021-04-15 08:11:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:57,123 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-04-15 08:11:57,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:11:57,598 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-04-15 08:11:57,599 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:57,599 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 [2021-04-15 08:11:59,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:11:59,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:11:59,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:11:59,088 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-04-15 08:11:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:59,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:11:59,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-04-15 08:11:59,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149520766] [2021-04-15 08:11:59,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-04-15 08:11:59,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:11:59,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-04-15 08:11:59,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-04-15 08:11:59,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:59,094 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:11:59,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:11:59,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:11:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:11:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:11:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:11:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:11:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:11:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:11:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:11:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:11:59,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:11:59,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable456,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:11:59,522 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:11:59,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:11:59,523 INFO L82 PathProgramCache]: Analyzing trace with hash -375694761, now seen corresponding path program 8 times [2021-04-15 08:11:59,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:11:59,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010813740] [2021-04-15 08:11:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:11:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:11:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:11:59,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010813740] [2021-04-15 08:11:59,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615176720] [2021-04-15 08:11:59,721 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 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 [2021-04-15 08:11:59,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 08:11:59,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:11:59,746 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-04-15 08:11:59,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:12:00,277 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-04-15 08:12:00,278 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:12:00,278 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 [2021-04-15 08:12:04,178 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-04-15 08:12:04,329 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-04-15 08:12:04,470 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-04-15 08:12:04,624 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-04-15 08:12:04,769 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-04-15 08:12:08,288 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-04-15 08:12:08,449 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-04-15 08:12:08,610 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-04-15 08:12:09,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:12:09,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:12:09,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:12:09,202 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-04-15 08:12:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:12:09,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:12:09,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-04-15 08:12:09,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208763114] [2021-04-15 08:12:09,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-04-15 08:12:09,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:12:09,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-04-15 08:12:09,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-04-15 08:12:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:12:09,208 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:12:09,208 INFO L481 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) [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:12:09,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:12:09,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:12:09,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:12:09,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:12:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:12:09,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable977 [2021-04-15 08:12:09,673 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:12:09,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:12:09,673 INFO L82 PathProgramCache]: Analyzing trace with hash 494217573, now seen corresponding path program 9 times [2021-04-15 08:12:09,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:12:09,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895717134] [2021-04-15 08:12:09,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:12:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:12:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:12:09,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895717134] [2021-04-15 08:12:09,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826304234] [2021-04-15 08:12:09,843 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 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 [2021-04-15 08:12:09,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-04-15 08:12:09,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:12:09,867 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-04-15 08:12:09,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:12:10,467 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-04-15 08:12:10,468 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:12:10,468 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 [2021-04-15 08:12:15,502 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-04-15 08:12:17,796 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-04-15 08:12:19,604 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-04-15 08:12:19,857 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-04-15 08:12:20,145 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-04-15 08:12:20,502 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-04-15 08:12:20,921 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-04-15 08:12:22,720 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-04-15 08:12:23,275 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-04-15 08:12:25,600 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-04-15 08:12:27,310 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-04-15 08:12:27,564 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-04-15 08:12:30,037 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 449 [2021-04-15 08:12:30,407 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-04-15 08:12:30,926 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-04-15 08:12:31,860 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-04-15 08:12:32,383 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-04-15 08:12:32,937 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-04-15 08:12:35,625 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-04-15 08:12:35,775 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-04-15 08:12:35,952 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-04-15 08:12:36,697 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-04-15 08:12:38,034 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-04-15 08:12:39,455 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-04-15 08:12:42,240 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-04-15 08:12:43,889 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-04-15 08:12:45,552 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-04-15 08:12:47,310 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-04-15 08:12:49,367 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-04-15 08:12:51,356 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-04-15 08:12:52,483 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-04-15 08:12:54,325 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-04-15 08:12:55,390 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-04-15 08:12:57,285 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-04-15 08:12:58,135 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-04-15 08:13:00,012 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-04-15 08:13:01,143 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-04-15 08:13:01,545 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-04-15 08:13:01,897 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-04-15 08:13:02,243 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-04-15 08:13:02,425 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-04-15 08:13:03,148 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-04-15 08:13:03,358 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-04-15 08:13:04,597 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-04-15 08:13:04,713 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-04-15 08:13:06,071 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-04-15 08:13:06,566 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-04-15 08:13:06,743 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-04-15 08:13:07,344 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-04-15 08:13:07,907 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-04-15 08:13:08,581 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-04-15 08:13:08,800 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-04-15 08:13:08,990 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-04-15 08:13:09,165 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-04-15 08:13:09,301 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-04-15 08:13:10,943 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-04-15 08:13:11,150 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-04-15 08:13:11,479 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-04-15 08:13:11,788 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-04-15 08:13:11,925 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-04-15 08:13:12,054 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-04-15 08:13:13,645 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-04-15 08:13:13,827 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-04-15 08:13:14,014 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-04-15 08:13:14,379 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-04-15 08:13:14,833 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-04-15 08:13:15,599 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-04-15 08:13:15,851 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-04-15 08:13:17,058 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-04-15 08:13:18,912 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-04-15 08:13:19,105 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-04-15 08:13:19,395 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-04-15 08:13:19,529 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-04-15 08:13:19,645 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-04-15 08:13:20,959 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-04-15 08:13:21,127 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-04-15 08:13:21,386 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-04-15 08:13:21,663 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-04-15 08:13:21,792 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-04-15 08:13:21,905 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-04-15 08:13:23,163 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-04-15 08:13:23,405 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-04-15 08:13:24,079 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-04-15 08:13:24,773 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-04-15 08:13:25,501 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-04-15 08:13:26,826 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-04-15 08:13:28,755 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-04-15 08:13:30,225 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-04-15 08:13:31,472 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-04-15 08:13:32,798 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-04-15 08:13:34,324 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-04-15 08:13:35,188 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-04-15 08:13:36,023 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-04-15 08:13:38,320 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-04-15 08:13:38,484 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-04-15 08:13:39,785 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-04-15 08:13:40,721 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-04-15 08:13:41,194 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-04-15 08:13:42,485 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-04-15 08:13:42,794 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-04-15 08:13:43,064 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-04-15 08:13:43,566 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-04-15 08:13:44,814 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-04-15 08:13:46,730 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-04-15 08:13:46,870 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-04-15 08:13:47,028 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-04-15 08:13:47,465 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-04-15 08:13:47,854 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-04-15 08:13:48,313 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-04-15 08:13:48,470 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-04-15 08:13:48,602 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-04-15 08:13:48,715 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-04-15 08:13:50,023 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-04-15 08:13:50,651 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-04-15 08:13:50,780 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-04-15 08:13:52,183 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-04-15 08:13:52,330 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-04-15 08:13:52,495 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-04-15 08:13:52,833 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-04-15 08:13:53,194 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-04-15 08:13:53,537 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-04-15 08:13:53,824 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-04-15 08:13:54,373 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-04-15 08:13:54,501 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-04-15 08:13:54,606 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2021-04-15 08:13:56,417 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-04-15 08:13:56,532 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-04-15 08:13:58,861 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-04-15 08:13:59,048 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-04-15 08:13:59,787 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-04-15 08:14:00,412 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-04-15 08:14:01,499 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-04-15 08:14:02,791 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-04-15 08:14:04,183 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-04-15 08:14:05,331 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-04-15 08:14:07,835 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-04-15 08:14:10,554 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-04-15 08:14:13,231 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-04-15 08:14:15,957 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-04-15 08:14:17,344 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-04-15 08:14:18,389 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-04-15 08:14:18,989 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-04-15 08:14:19,438 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-04-15 08:14:19,866 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-04-15 08:14:20,273 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-04-15 08:14:21,714 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-04-15 08:14:22,877 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-04-15 08:14:23,317 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-04-15 08:14:23,466 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-04-15 08:14:23,651 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-04-15 08:14:23,823 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-04-15 08:14:24,142 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-04-15 08:14:25,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:14:25,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:14:25,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:14:25,261 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-04-15 08:14:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:14:25,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:14:25,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-04-15 08:14:25,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718480269] [2021-04-15 08:14:25,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-04-15 08:14:25,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:14:25,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-04-15 08:14:25,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-04-15 08:14:25,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:14:25,267 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:14:25,267 INFO L481 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) [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:25,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2771,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:14:25,738 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:14:25,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:14:25,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1691696151, now seen corresponding path program 10 times [2021-04-15 08:14:25,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:14:25,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551597297] [2021-04-15 08:14:25,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:14:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:14:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 55 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:14:25,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551597297] [2021-04-15 08:14:25,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846466281] [2021-04-15 08:14:25,854 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 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 [2021-04-15 08:14:25,884 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 08:14:25,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:14:25,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-04-15 08:14:25,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:14:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:14:25,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:14:25,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-04-15 08:14:25,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060800426] [2021-04-15 08:14:25,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-04-15 08:14:25,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:14:25,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-04-15 08:14:25,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-04-15 08:14:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:14:25,936 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:14:25,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 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) [2021-04-15 08:14:25,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:25,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:14:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:26,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:14:26,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 08:14:26,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable18752 [2021-04-15 08:14:26,311 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:14:26,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:14:26,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1728585530, now seen corresponding path program 11 times [2021-04-15 08:14:26,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:14:26,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228353437] [2021-04-15 08:14:26,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:14:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:14:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:14:26,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228353437] [2021-04-15 08:14:26,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285294779] [2021-04-15 08:14:26,548 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 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 [2021-04-15 08:14:26,577 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-04-15 08:14:26,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:14:26,578 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-04-15 08:14:26,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:14:27,383 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-04-15 08:14:27,383 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:14:27,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-04-15 08:14:29,649 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-04-15 08:14:29,765 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-04-15 08:14:29,880 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-04-15 08:14:30,011 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-04-15 08:14:30,230 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-04-15 08:14:30,427 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-04-15 08:14:30,649 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-04-15 08:14:30,806 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-04-15 08:14:30,935 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-04-15 08:14:32,546 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-04-15 08:14:32,849 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-04-15 08:14:34,902 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-04-15 08:14:38,208 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-04-15 08:14:38,349 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-04-15 08:14:38,598 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-04-15 08:14:38,955 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-04-15 08:14:39,371 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-04-15 08:14:39,920 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-04-15 08:14:40,507 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-04-15 08:14:42,745 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-04-15 08:14:42,938 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-04-15 08:14:44,030 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-04-15 08:14:44,263 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-04-15 08:14:45,002 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-04-15 08:14:46,522 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-04-15 08:14:46,669 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-04-15 08:14:46,907 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-04-15 08:14:47,098 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-04-15 08:14:48,796 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-04-15 08:14:48,963 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-04-15 08:14:49,122 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-04-15 08:14:49,277 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-04-15 08:14:52,436 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-04-15 08:14:54,311 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-04-15 08:14:54,673 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-04-15 08:14:55,125 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-04-15 08:14:55,637 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-04-15 08:14:56,293 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-04-15 08:14:57,178 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-04-15 08:14:57,973 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-04-15 08:14:59,165 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-04-15 08:15:01,460 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-04-15 08:15:02,757 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-04-15 08:15:03,030 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-04-15 08:15:03,594 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-04-15 08:15:04,695 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-04-15 08:15:06,605 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-04-15 08:15:06,837 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-04-15 08:15:06,974 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-04-15 08:15:07,144 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-04-15 08:15:07,286 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-04-15 08:15:07,457 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-04-15 08:15:07,634 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-04-15 08:15:07,802 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-04-15 08:15:07,993 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-04-15 08:15:11,574 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-04-15 08:15:11,739 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-04-15 08:15:11,973 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-04-15 08:15:12,240 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-04-15 08:15:12,522 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-04-15 08:15:12,672 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-04-15 08:15:16,121 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 880 [2021-04-15 08:15:16,328 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-04-15 08:15:16,809 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-04-15 08:15:17,390 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-04-15 08:15:18,049 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-04-15 08:15:18,820 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-04-15 08:15:21,518 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-04-15 08:15:21,723 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-04-15 08:15:21,962 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-04-15 08:15:22,217 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-04-15 08:15:23,271 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-04-15 08:15:24,421 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-04-15 08:15:27,424 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-04-15 08:15:27,561 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-04-15 08:15:27,708 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-04-15 08:15:27,892 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-04-15 08:15:28,103 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-04-15 08:15:29,548 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-04-15 08:15:30,081 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-04-15 08:15:30,442 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-04-15 08:15:30,857 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-04-15 08:15:32,343 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-04-15 08:15:32,513 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-04-15 08:15:32,776 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-04-15 08:15:32,896 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-04-15 08:15:34,187 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-04-15 08:15:34,350 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-04-15 08:15:34,517 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-04-15 08:15:36,264 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-04-15 08:15:36,380 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-04-15 08:15:37,381 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-04-15 08:15:37,573 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-04-15 08:15:39,849 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-04-15 08:15:40,007 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-04-15 08:15:40,178 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-04-15 08:15:41,845 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-04-15 08:15:42,149 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-04-15 08:15:42,642 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-04-15 08:15:43,289 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-04-15 08:15:43,963 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-04-15 08:15:44,872 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-04-15 08:15:47,737 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-04-15 08:15:47,885 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-04-15 08:15:50,937 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-04-15 08:15:51,141 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-04-15 08:15:51,355 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-04-15 08:15:51,716 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-04-15 08:15:52,103 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-04-15 08:15:53,809 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-04-15 08:15:54,324 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-04-15 08:15:54,867 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-04-15 08:15:56,067 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-04-15 08:15:58,842 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-04-15 08:16:03,551 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-04-15 08:16:08,332 WARN L205 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-04-15 08:16:13,457 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-04-15 08:16:16,918 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-04-15 08:16:21,842 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-04-15 08:16:23,676 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-04-15 08:16:25,959 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-04-15 08:16:27,435 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-04-15 08:16:28,006 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-04-15 08:16:28,375 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-04-15 08:16:28,650 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-04-15 08:16:28,835 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-04-15 08:16:29,003 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-04-15 08:16:29,144 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-04-15 08:16:29,262 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-04-15 08:16:29,394 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-04-15 08:16:32,581 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-04-15 08:16:32,697 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-04-15 08:16:33,231 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-04-15 08:16:33,391 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-04-15 08:16:33,593 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-04-15 08:16:35,303 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-04-15 08:16:35,620 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-04-15 08:16:35,910 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-04-15 08:16:36,137 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-04-15 08:16:36,390 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-04-15 08:16:36,609 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-04-15 08:16:38,637 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 718 [2021-04-15 08:16:38,748 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-04-15 08:16:38,906 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-04-15 08:16:39,023 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-04-15 08:16:41,823 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-04-15 08:16:41,985 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-04-15 08:16:42,149 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-04-15 08:16:42,434 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-04-15 08:16:42,723 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-04-15 08:16:43,045 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-04-15 08:16:43,372 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-04-15 08:16:43,994 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-04-15 08:16:44,630 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-04-15 08:16:45,650 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-04-15 08:16:46,727 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-04-15 08:16:49,085 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-04-15 08:16:51,430 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-04-15 08:16:53,901 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-04-15 08:16:54,585 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-04-15 08:16:55,111 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-04-15 08:16:55,541 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-04-15 08:16:55,899 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-04-15 08:16:56,186 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-04-15 08:16:56,446 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-04-15 08:16:56,611 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-04-15 08:16:56,773 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-04-15 08:16:56,926 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-04-15 08:16:57,054 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 723 [2021-04-15 08:16:57,590 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-04-15 08:16:59,024 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1265 DAG size of output: 746 [2021-04-15 08:16:59,130 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-04-15 08:16:59,251 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-04-15 08:16:59,404 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-04-15 08:16:59,562 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-04-15 08:17:00,470 WARN L205 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-04-15 08:17:00,974 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-04-15 08:17:01,222 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-04-15 08:17:01,478 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-04-15 08:17:01,707 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-04-15 08:17:01,918 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-04-15 08:17:02,092 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-04-15 08:17:02,217 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-04-15 08:17:02,406 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-04-15 08:17:03,453 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-04-15 08:17:05,248 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-04-15 08:17:05,605 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-04-15 08:17:05,969 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-04-15 08:17:06,360 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-04-15 08:17:06,627 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-04-15 08:17:06,827 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-04-15 08:17:09,261 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-04-15 08:17:09,379 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-04-15 08:17:09,812 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 721 [2021-04-15 08:17:12,179 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-04-15 08:17:16,848 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-04-15 08:17:16,967 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-04-15 08:17:17,111 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-04-15 08:17:18,204 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-04-15 08:17:18,476 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-04-15 08:17:18,982 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-04-15 08:17:19,523 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-04-15 08:17:20,045 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-04-15 08:17:20,623 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-04-15 08:17:20,926 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-04-15 08:17:21,248 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-04-15 08:17:21,400 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-04-15 08:17:22,231 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 629 [2021-04-15 08:17:22,338 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-04-15 08:17:23,121 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-04-15 08:17:23,316 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-04-15 08:17:23,482 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-04-15 08:17:23,652 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-04-15 08:17:23,800 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-04-15 08:17:24,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:17:24,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:17:24,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:17:24,420 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-04-15 08:17:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:17:24,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:17:24,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-04-15 08:17:24,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298778275] [2021-04-15 08:17:24,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-04-15 08:17:24,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:17:24,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-04-15 08:17:24,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-04-15 08:17:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:17:24,430 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:17:24,430 INFO L481 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) [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-04-15 08:17:24,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:17:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:17:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:17:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:17:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:17:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:17:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 08:17:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-15 08:17:25,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18753,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:17:25,080 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:17:25,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:17:25,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1454263660, now seen corresponding path program 12 times [2021-04-15 08:17:25,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:17:25,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872567353] [2021-04-15 08:17:25,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:17:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:17:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:17:25,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872567353] [2021-04-15 08:17:25,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798283310] [2021-04-15 08:17:25,346 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 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 [2021-04-15 08:17:25,374 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-04-15 08:17:25,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 08:17:25,376 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 76 conjunts are in the unsatisfiable core [2021-04-15 08:17:25,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:17:26,270 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-04-15 08:17:26,270 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:17:26,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 59 treesize of output 667 [2021-04-15 08:17:30,525 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-04-15 08:17:30,660 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-04-15 08:17:30,803 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-04-15 08:17:31,043 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-04-15 08:17:31,315 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-04-15 08:17:31,597 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-04-15 08:17:31,796 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-04-15 08:17:32,053 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-04-15 08:17:32,254 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-04-15 08:17:32,438 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-04-15 08:17:32,571 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-04-15 08:17:32,711 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-04-15 08:17:32,826 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-04-15 08:17:32,970 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-04-15 08:17:34,114 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 840 [2021-04-15 08:17:35,602 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-04-15 08:17:36,921 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-04-15 08:17:37,113 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-04-15 08:17:37,344 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-04-15 08:17:37,565 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-04-15 08:17:37,798 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-04-15 08:17:38,043 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-04-15 08:17:38,346 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-04-15 08:17:38,504 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-04-15 08:17:38,706 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-04-15 08:17:39,001 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-04-15 08:17:40,886 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-04-15 08:17:41,031 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-04-15 08:17:41,486 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-04-15 08:17:41,951 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-04-15 08:17:42,435 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-04-15 08:17:43,042 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-04-15 08:17:43,485 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-04-15 08:17:43,915 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-04-15 08:17:44,250 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-04-15 08:17:44,636 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-04-15 08:17:45,081 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-04-15 08:17:45,335 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-04-15 08:17:45,489 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-04-15 08:17:47,277 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-04-15 08:17:49,818 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-04-15 08:17:50,002 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-04-15 08:17:50,298 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-04-15 08:17:50,639 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-04-15 08:17:50,975 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-04-15 08:17:51,338 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-04-15 08:17:51,759 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-04-15 08:17:52,185 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-04-15 08:17:52,637 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-04-15 08:17:53,092 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-04-15 08:17:53,563 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-04-15 08:17:54,090 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-04-15 08:17:54,487 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-04-15 08:17:54,736 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-04-15 08:17:54,865 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-04-15 08:17:55,318 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-04-15 08:17:55,444 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-04-15 08:17:55,568 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-04-15 08:17:58,122 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-04-15 08:17:58,242 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-04-15 08:17:58,372 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-04-15 08:17:58,579 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-04-15 08:17:58,773 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-04-15 08:17:58,981 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-04-15 08:17:59,132 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-04-15 08:17:59,744 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-04-15 08:17:59,991 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-04-15 08:18:00,149 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-04-15 08:18:02,742 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-04-15 08:18:02,930 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-04-15 08:18:03,122 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-04-15 08:18:03,438 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-04-15 08:18:03,671 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-04-15 08:18:04,133 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-04-15 08:18:04,613 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-04-15 08:18:04,827 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-04-15 08:18:05,013 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-04-15 08:18:05,550 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-04-15 08:18:05,698 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-04-15 08:18:05,861 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-04-15 08:18:05,971 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-04-15 08:18:07,322 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-04-15 08:18:07,614 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-04-15 08:18:07,790 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-04-15 08:18:09,079 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-04-15 08:18:09,368 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-04-15 08:18:09,580 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-04-15 08:18:09,794 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-04-15 08:18:10,019 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-04-15 08:18:10,287 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-04-15 08:18:10,638 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-04-15 08:18:10,799 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-04-15 08:18:11,091 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-04-15 08:18:11,483 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-04-15 08:18:11,627 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-04-15 08:18:11,808 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-04-15 08:18:11,962 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-04-15 08:18:13,248 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-04-15 08:18:13,359 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-04-15 08:18:14,577 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-04-15 08:18:14,708 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-04-15 08:18:14,959 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-04-15 08:18:15,257 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-04-15 08:18:15,734 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-04-15 08:18:16,714 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-04-15 08:18:17,729 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-04-15 08:18:18,745 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-04-15 08:18:19,785 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-04-15 08:18:20,283 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-04-15 08:18:20,635 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-04-15 08:18:20,895 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-04-15 08:18:21,018 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 908 [2021-04-15 08:18:22,622 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 858 [2021-04-15 08:18:22,766 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-04-15 08:18:25,125 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-04-15 08:18:25,806 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-04-15 08:18:26,054 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-04-15 08:18:26,305 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-04-15 08:18:26,561 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-04-15 08:18:26,714 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-04-15 08:18:27,223 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 08:18:27,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:18:27,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 08:18:27,225 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-04-15 08:18:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:18:27,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 08:18:27,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-04-15 08:18:27,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457610529] [2021-04-15 08:18:27,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-04-15 08:18:27,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:18:27,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-04-15 08:18:27,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1387, Unknown=0, NotChecked=0, Total=1482 [2021-04-15 08:18:27,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:18:27,230 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:18:27,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.205128205128205) internal successors, (47), 38 states have internal predecessors, (47), 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) [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-04-15 08:18:27,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 08:18:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 08:18:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:18:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 08:18:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:18:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 08:18:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 08:18:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-15 08:18:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 08:18:27,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42166 [2021-04-15 08:18:27,836 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:18:27,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:18:27,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1540220282, now seen corresponding path program 13 times [2021-04-15 08:18:27,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:18:27,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190584650] [2021-04-15 08:18:27,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:18:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:18:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:18:28,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190584650] [2021-04-15 08:18:28,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506584145] [2021-04-15 08:18:28,119 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 08:18:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:18:28,156 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 80 conjunts are in the unsatisfiable core [2021-04-15 08:18:28,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 08:18:29,250 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-04-15 08:18:29,250 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 08:18:29,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-04-15 08:18:32,249 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-04-15 08:18:34,083 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1054 DAG size of output: 948 [2021-04-15 08:18:35,944 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-04-15 08:18:36,258 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-04-15 08:18:36,552 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-04-15 08:18:36,894 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-04-15 08:18:37,533 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-04-15 08:18:38,161 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-04-15 08:18:38,460 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-04-15 08:18:38,587 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-04-15 08:18:38,719 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-04-15 08:18:38,872 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-04-15 08:18:38,991 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-04-15 08:18:39,116 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-04-15 08:18:39,222 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-04-15 08:18:41,924 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-04-15 08:18:42,067 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-04-15 08:18:43,482 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-04-15 08:18:46,535 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-04-15 08:18:46,736 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-04-15 08:18:47,228 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-04-15 08:18:49,858 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-04-15 08:18:50,041 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-04-15 08:18:52,259 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-04-15 08:18:52,585 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-04-15 08:18:53,401 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-04-15 08:18:57,642 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-04-15 08:18:57,872 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-04-15 08:19:00,259 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-04-15 08:19:02,331 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-04-15 08:19:02,668 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-04-15 08:19:03,157 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-04-15 08:19:03,845 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-04-15 08:19:05,888 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-04-15 08:19:06,347 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-04-15 08:19:07,547 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 754 [2021-04-15 08:19:08,620 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-04-15 08:19:09,437 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-04-15 08:19:09,845 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-04-15 08:19:11,628 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-04-15 08:19:13,208 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-04-15 08:19:13,778 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-04-15 08:19:14,467 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-04-15 08:19:15,761 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-04-15 08:19:17,158 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-04-15 08:19:19,416 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-04-15 08:19:22,175 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-04-15 08:19:24,539 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 625 [2021-04-15 08:19:24,710 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-04-15 08:19:26,186 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-04-15 08:19:26,500 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-04-15 08:19:29,248 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-04-15 08:19:32,211 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-04-15 08:19:35,423 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-04-15 08:19:38,835 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-04-15 08:19:39,042 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 770 [2021-04-15 08:19:43,843 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-04-15 08:19:44,027 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-04-15 08:19:47,377 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 826 [2021-04-15 08:19:47,592 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-04-15 08:19:47,836 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-04-15 08:19:48,284 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-04-15 08:19:50,835 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-04-15 08:19:51,001 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-04-15 08:19:53,334 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-04-15 08:19:53,659 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-04-15 08:19:55,997 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-04-15 08:19:58,284 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-04-15 08:20:00,072 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-04-15 08:20:00,213 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-04-15 08:20:00,523 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-04-15 08:20:00,967 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-04-15 08:20:01,794 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-04-15 08:20:03,644 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-04-15 08:20:04,819 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-04-15 08:20:07,192 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-04-15 08:20:07,538 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-04-15 08:20:09,195 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-04-15 08:20:11,633 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 956 [2021-04-15 08:20:11,740 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-04-15 08:20:12,573 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-04-15 08:20:14,247 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-04-15 08:20:16,957 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-04-15 08:20:18,513 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-04-15 08:20:18,967 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-04-15 08:20:21,133 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-04-15 08:20:23,953 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-04-15 08:20:24,175 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-04-15 08:20:24,969 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-04-15 08:20:27,517 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-04-15 08:20:30,264 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-04-15 08:20:33,213 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-04-15 08:20:36,366 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-04-15 08:20:39,667 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-04-15 08:20:43,219 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-04-15 08:20:47,738 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-04-15 08:20:54,833 WARN L205 SmtUtils]: Spent 7.00 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-04-15 08:20:55,060 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-04-15 08:20:55,185 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-04-15 08:20:55,298 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-04-15 08:20:55,434 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 [2021-04-15 08:21:00,223 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1508 [2021-04-15 08:21:00,500 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1657 [2021-04-15 08:21:04,371 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1207 [2021-04-15 08:21:04,547 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1286 [2021-04-15 08:21:04,852 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 2179 [2021-04-15 08:21:05,380 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 3783 DAG size of output: 3037 [2021-04-15 08:21:06,787 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 3383 [2021-04-15 08:21:08,470 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 785 [2021-04-15 08:21:09,858 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 921 [2021-04-15 08:21:10,226 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1151 [2021-04-15 08:21:10,471 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1888 DAG size of output: 1608 [2021-04-15 08:21:11,988 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1149 [2021-04-15 08:21:13,199 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1820 DAG size of output: 1729 [2021-04-15 08:21:15,344 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1404 DAG size of output: 1234 [2021-04-15 08:21:15,684 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 2664 DAG size of output: 2563 [2021-04-15 08:21:16,313 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 3829 DAG size of output: 3556 [2021-04-15 08:21:17,007 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 4064 DAG size of output: 3714 [2021-04-15 08:21:18,310 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 7138 DAG size of output: 6235 [2021-04-15 08:21:21,863 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 881 [2021-04-15 08:21:22,075 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1430 [2021-04-15 08:21:22,328 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1590 [2021-04-15 08:21:22,685 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1818 [2021-04-15 08:21:25,212 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1101 [2021-04-15 08:21:25,430 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1713 DAG size of output: 1582 [2021-04-15 08:21:27,587 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1181 [2021-04-15 08:21:27,933 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 2506 DAG size of output: 2399 [2021-04-15 08:21:28,353 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2579 [2021-04-15 08:21:29,073 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 4060 DAG size of output: 3794 [2021-04-15 08:21:31,603 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 961 [2021-04-15 08:21:33,291 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1637 [2021-04-15 08:21:33,551 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1797 [2021-04-15 08:21:37,651 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1209 [2021-04-15 08:21:37,810 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1304 [2021-04-15 08:21:38,140 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 2102 [2021-04-15 08:21:38,659 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 3647 DAG size of output: 3063 [2021-04-15 08:21:39,398 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 3377 [2021-04-15 08:21:40,782 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 7065 DAG size of output: 6258 [2021-04-15 08:21:43,561 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 13484 DAG size of output: 11267 [2021-04-15 08:21:46,333 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 561 [2021-04-15 08:21:46,531 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1098 [2021-04-15 08:21:47,568 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 632 [2021-04-15 08:21:48,924 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 964 [2021-04-15 08:21:49,408 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 2424 DAG size of output: 1788 [2021-04-15 08:21:52,764 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 15746 DAG size of output: 12900 [2021-04-15 08:21:57,505 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 16353 DAG size of output: 13473 [2021-04-15 08:22:02,499 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 17666 DAG size of output: 14071 [2021-04-15 08:22:06,551 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 17919 DAG size of output: 14391 [2021-04-15 08:22:10,795 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 18270 DAG size of output: 14573 [2021-04-15 08:22:15,359 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 18574 DAG size of output: 14802 [2021-04-15 08:22:15,553 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 927 [2021-04-15 08:22:16,956 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 841 [2021-04-15 08:22:20,677 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1253 [2021-04-15 08:22:23,302 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1943 [2021-04-15 08:22:25,088 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 977 [2021-04-15 08:22:26,986 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1581 [2021-04-15 08:22:27,540 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 2976 [2021-04-15 08:22:29,332 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1051 [2021-04-15 08:22:31,256 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 1007 [2021-04-15 08:22:31,495 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1689 [2021-04-15 08:22:33,844 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 963 [2021-04-15 08:22:35,974 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1105 [2021-04-15 08:22:36,276 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1855 [2021-04-15 08:22:37,367 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 5189 DAG size of output: 5120 [2021-04-15 08:22:38,819 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 5464 DAG size of output: 5420 [2021-04-15 08:22:40,236 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 5505 DAG size of output: 5370 [2021-04-15 08:22:43,477 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1164 [2021-04-15 08:22:45,457 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 895 [2021-04-15 08:22:45,713 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1548 [2021-04-15 08:22:47,578 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 904 [2021-04-15 08:22:49,932 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1031 [2021-04-15 08:22:50,439 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 3540 DAG size of output: 2743 [2021-04-15 08:22:51,049 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 3752 DAG size of output: 2945 [2021-04-15 08:22:51,709 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 3782 DAG size of output: 2948 [2021-04-15 08:22:51,924 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 770 [2021-04-15 08:22:53,558 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1061 [2021-04-15 08:22:54,983 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1574 [2021-04-15 08:22:55,223 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1758 DAG size of output: 1591 [2021-04-15 08:22:57,415 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1135 [2021-04-15 08:22:57,582 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1158 [2021-04-15 08:22:58,020 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 2423 [2021-04-15 08:23:00,496 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1039 [2021-04-15 08:23:02,054 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 751 [2021-04-15 08:23:02,205 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 763 [2021-04-15 08:23:02,511 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 1912 DAG size of output: 1493 [2021-04-15 08:23:03,278 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3339 [2021-04-15 08:23:04,689 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 6616 DAG size of output: 5590 [2021-04-15 08:23:07,479 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 11460 DAG size of output: 9966 [2021-04-15 08:23:09,382 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 908 [2021-04-15 08:23:11,144 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 876 [2021-04-15 08:23:11,435 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1467 [2021-04-15 08:23:14,625 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 13202 DAG size of output: 11038 [2021-04-15 08:23:17,965 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 14429 DAG size of output: 11480 [2021-04-15 08:23:22,429 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 14709 DAG size of output: 11827 [2021-04-15 08:23:26,337 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 15008 DAG size of output: 12048 [2021-04-15 08:23:34,768 WARN L205 SmtUtils]: Spent 8.33 s on a formula simplification. DAG size of input: 32411 DAG size of output: 25107 [2021-04-15 08:23:43,621 WARN L205 SmtUtils]: Spent 8.68 s on a formula simplification. DAG size of input: 32818 DAG size of output: 25389 [2021-04-15 08:23:59,992 WARN L205 SmtUtils]: Spent 16.16 s on a formula simplification. DAG size of input: 57077 DAG size of output: 45107 [2021-04-15 08:24:17,034 WARN L205 SmtUtils]: Spent 16.75 s on a formula simplification. DAG size of input: 57471 DAG size of output: 45432 [2021-04-15 08:24:17,463 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 766 [2021-04-15 08:24:20,365 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1076 [2021-04-15 08:24:23,705 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 970 [2021-04-15 08:24:26,642 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 925 [2021-04-15 08:24:26,848 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1415 [2021-04-15 08:24:27,257 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 2188 [2021-04-15 08:24:29,233 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 964 [2021-04-15 08:24:30,939 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1001 [2021-04-15 08:24:32,900 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 889 [2021-04-15 08:24:34,763 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 971 [2021-04-15 08:24:35,000 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1581 [2021-04-15 08:24:35,481 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 2742 DAG size of output: 2659 [2021-04-15 08:24:36,413 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 4053 DAG size of output: 4092 [2021-04-15 08:24:38,387 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 4261 DAG size of output: 4309 [2021-04-15 08:24:39,687 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 4554 DAG size of output: 4422 [2021-04-15 08:24:43,937 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 827 [2021-04-15 08:24:45,254 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1428 DAG size of output: 1345 [2021-04-15 08:24:45,579 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2088 [2021-04-15 08:24:49,319 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1694 DAG size of output: 1421 [2021-04-15 08:24:51,173 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1120 DAG size of output: 1010 [2021-04-15 08:24:52,782 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1662 DAG size of output: 1507 [2021-04-15 08:24:53,242 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 2968 DAG size of output: 2614 [2021-04-15 08:24:54,092 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 4476 DAG size of output: 4129 [2021-04-15 08:24:55,981 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 4811 DAG size of output: 4441 [2021-04-15 08:24:56,978 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 5104 DAG size of output: 4605 [2021-04-15 08:24:59,077 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 8904 DAG size of output: 7925 [2021-04-15 08:25:01,439 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 10245 DAG size of output: 8713 [2021-04-15 08:25:04,099 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 10495 DAG size of output: 8927 [2021-04-15 08:25:05,952 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 583 [2021-04-15 08:25:07,285 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 892 [2021-04-15 08:25:08,910 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 697 [2021-04-15 08:25:09,031 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 706 [2021-04-15 08:25:09,316 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1388 [2021-04-15 08:25:09,696 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 2494 DAG size of output: 1902 [2021-04-15 08:25:11,927 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 788 [2021-04-15 08:25:13,519 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1559 DAG size of output: 1303 [2021-04-15 08:25:13,771 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1472 [2021-04-15 08:25:16,080 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 953 [2021-04-15 08:25:17,692 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 845 [2021-04-15 08:25:17,977 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1641 [2021-04-15 08:25:18,274 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 1950 DAG size of output: 1804 [2021-04-15 08:25:18,618 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 2215 DAG size of output: 2036 [2021-04-15 08:25:19,171 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 3370 DAG size of output: 2783 [2021-04-15 08:25:20,981 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1057 [2021-04-15 08:25:22,874 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1940 DAG size of output: 1823 [2021-04-15 08:25:25,524 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1382 DAG size of output: 1352 [2021-04-15 08:25:25,984 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 2892 DAG size of output: 2753 [2021-04-15 08:25:27,960 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 3427 DAG size of output: 3211 [2021-04-15 08:25:29,076 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 5823 DAG size of output: 5114 [2021-04-15 08:25:30,262 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 6142 DAG size of output: 5314 [2021-04-15 08:25:35,109 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1455 DAG size of output: 1265 [2021-04-15 08:25:35,459 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 2444 DAG size of output: 2149 [2021-04-15 08:25:37,070 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1047 DAG size of output: 985 [2021-04-15 08:25:38,434 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1684 DAG size of output: 1551 [2021-04-15 08:25:38,657 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 1819 DAG size of output: 1645 [2021-04-15 08:25:40,253 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 900 [2021-04-15 08:25:41,932 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1064 [2021-04-15 08:25:42,067 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1153 [2021-04-15 08:25:42,298 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 2016 DAG size of output: 1614 [2021-04-15 08:25:42,799 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 3342 DAG size of output: 2802 [2021-04-15 08:25:43,654 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 5079 DAG size of output: 4362 [2021-04-15 08:25:46,822 WARN L205 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 5658 DAG size of output: 4888 [2021-04-15 08:25:48,155 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 5971 DAG size of output: 5124 [2021-04-15 08:25:50,443 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 11020 DAG size of output: 9098 [2021-04-15 08:25:53,225 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 13314 DAG size of output: 10671 [2021-04-15 08:25:56,123 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 13609 DAG size of output: 10815 [2021-04-15 08:25:59,270 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 13877 DAG size of output: 11045 Received shutdown request... [2021-04-15 08:26:05,020 WARN L205 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 23604 DAG size of output: 18659 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown