/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 16:30:39,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 16:30:39,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 16:30:39,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 16:30:39,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-03-12 16:30:39,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 16:30:39,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 16:30:39,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 16:30:39,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 16:30:39,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 16:30:39,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 16:30:39,582 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 16:30:39,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 16:30:39,583 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 16:30:39,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 16:30:39,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 16:30:39,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 16:30:39,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 16:30:39,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 16:30:39,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 16:30:39,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 16:30:39,586 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 16:30:39,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 16:30:39,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 16:30:39,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 16:30:39,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 16:30:39,828 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 16:30:39,830 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 16:30:39,830 INFO L432 ainManager$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 [2021-03-12 16:30:39,842 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-03-12 16:30:39,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 16:30:39,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 16:30:39,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 16:30:39,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 16:30:39,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 16:30:39,888 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,893 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 16:30:39,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 16:30:39,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 16:30:39,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 16:30:39,903 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,903 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,903 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,904 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,905 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,906 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,907 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 12.03 04:30:39" (1/1) ... [2021-03-12 16:30:39,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 16:30:39,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 16:30:39,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 16:30:39,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 16:30:39,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:30:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 16:30:39,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 16:30:39,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 16:30:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 16:30:39,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 16:30:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 16:30:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 16:30:39,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 16:30:39,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 16:30:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 16:30:39,954 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 16:30:40,213 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 16:30:40,213 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-03-12 16:30:40,214 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-12 16:30:40,215 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 04:30:40 BoogieIcfgContainer [2021-03-12 16:30:40,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 16:30:40,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 16:30:40,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 16:30:40,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 16:30:40,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 04:30:39" (1/2) ... [2021-03-12 16:30:40,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79482700 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 04:30:40, skipping insertion in model container [2021-03-12 16:30:40,218 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 12.03 04:30:40" (2/2) ... [2021-03-12 16:30:40,219 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-03-12 16:30:40,226 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 16:30:40,227 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 16:30:40,229 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 16:30:40,230 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 16:30:40,257 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 16:30:40,267 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 16:30:40,295 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 16:30:40,295 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 16:30:40,295 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 16:30:40,295 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 16:30:40,295 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 16:30:40,295 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 16:30:40,295 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 16:30:40,295 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 16:30:40,311 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:40,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1298021065, now seen corresponding path program 1 times [2021-03-12 16:30:40,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:40,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605241920] [2021-03-12 16:30:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:40,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605241920] [2021-03-12 16:30:40,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 16:30:40,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 16:30:40,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906523594] [2021-03-12 16:30:40,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 16:30:40,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:40,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 16:30:40,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-12 16:30:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:40,448 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:40,457 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) [2021-03-12 16:30:40,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:40,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:40,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 16:30:40,488 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:40,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:40,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1876900165, now seen corresponding path program 1 times [2021-03-12 16:30:40,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:40,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498553721] [2021-03-12 16:30:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:40,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498553721] [2021-03-12 16:30:40,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517611356] [2021-03-12 16:30:40,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:30:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:40,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 16:30:40,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:40,918 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 [2021-03-12 16:30:40,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:40,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:40,925 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:40,925 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-03-12 16:30:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:40,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:40,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-03-12 16:30:40,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442613750] [2021-03-12 16:30:40,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 16:30:40,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:40,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 16:30:40,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-12 16:30:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:40,946 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:40,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 16:30:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:40,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:41,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:41,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:30:41,222 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:41,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:41,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1515210487, now seen corresponding path program 2 times [2021-03-12 16:30:41,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:41,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422366657] [2021-03-12 16:30:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:41,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422366657] [2021-03-12 16:30:41,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189379708] [2021-03-12 16:30:41,377 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 [2021-03-12 16:30:41,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:30:41,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:41,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 16:30:41,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:41,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:41,483 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 [2021-03-12 16:30:41,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:41,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:41,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:41,497 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-03-12 16:30:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:41,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:41,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-12 16:30:41,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137989527] [2021-03-12 16:30:41,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 16:30:41,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:41,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 16:30:41,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-12 16:30:41,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:41,508 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:41,508 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) [2021-03-12 16:30:41,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:41,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:41,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:41,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:41,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:41,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:41,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:30:41,792 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:41,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:41,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1107234939, now seen corresponding path program 3 times [2021-03-12 16:30:41,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:41,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163648755] [2021-03-12 16:30:41,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:41,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163648755] [2021-03-12 16:30:41,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658809976] [2021-03-12 16:30:41,885 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 [2021-03-12 16:30:41,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 16:30:41,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:41,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 16:30:41,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:42,054 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:42,054 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 [2021-03-12 16:30:42,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:42,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:42,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:42,066 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-03-12 16:30:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:42,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:42,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-03-12 16:30:42,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585491525] [2021-03-12 16:30:42,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 16:30:42,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:42,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 16:30:42,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-12 16:30:42,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:42,073 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:42,073 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) [2021-03-12 16:30:42,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:42,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:42,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:42,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:42,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:42,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:42,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:42,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:42,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:30:42,343 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:42,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:42,344 INFO L82 PathProgramCache]: Analyzing trace with hash -798664521, now seen corresponding path program 4 times [2021-03-12 16:30:42,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:42,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492918616] [2021-03-12 16:30:42,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:42,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492918616] [2021-03-12 16:30:42,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436115690] [2021-03-12 16:30:42,381 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 [2021-03-12 16:30:42,404 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 16:30:42,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:42,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 16:30:42,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:42,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:42,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:42,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-12 16:30:42,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665895588] [2021-03-12 16:30:42,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 16:30:42,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:42,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 16:30:42,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-12 16:30:42,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:42,454 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:42,454 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) [2021-03-12 16:30:42,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:42,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:42,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:42,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:42,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:42,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:42,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-12 16:30:42,697 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:42,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:42,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1836816026, now seen corresponding path program 1 times [2021-03-12 16:30:42,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:42,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351589518] [2021-03-12 16:30:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:42,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351589518] [2021-03-12 16:30:42,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061944991] [2021-03-12 16:30:42,767 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 [2021-03-12 16:30:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:42,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-12 16:30:42,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:43,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:43,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-03-12 16:30:43,109 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:43,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:43,111 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:43,111 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-03-12 16:30:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:43,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:43,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-12 16:30:43,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354376693] [2021-03-12 16:30:43,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 16:30:43,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:43,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 16:30:43,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-03-12 16:30:43,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:43,118 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:43,118 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) [2021-03-12 16:30:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:43,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:43,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:43,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:43,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:43,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:43,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:43,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:43,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:43,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:30:43,435 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:43,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:43,436 INFO L82 PathProgramCache]: Analyzing trace with hash 2020244300, now seen corresponding path program 2 times [2021-03-12 16:30:43,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:43,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782114170] [2021-03-12 16:30:43,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:43,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782114170] [2021-03-12 16:30:43,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31177434] [2021-03-12 16:30:43,572 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) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:30:43,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:30:43,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:43,592 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-03-12 16:30:43,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:43,776 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:43,776 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 [2021-03-12 16:30:43,901 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:43,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:43,902 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:43,902 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-03-12 16:30:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:43,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:43,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-12 16:30:43,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368758877] [2021-03-12 16:30:43,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 16:30:43,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:43,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 16:30:43,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-03-12 16:30:43,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:43,908 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:43,908 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) [2021-03-12 16:30:43,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:43,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:43,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:43,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:43,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:43,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:43,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:44,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:30:44,250 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:44,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:44,250 INFO L82 PathProgramCache]: Analyzing trace with hash -883413798, now seen corresponding path program 3 times [2021-03-12 16:30:44,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:44,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526299063] [2021-03-12 16:30:44,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:44,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526299063] [2021-03-12 16:30:44,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806128863] [2021-03-12 16:30:44,449 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 [2021-03-12 16:30:44,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 16:30:44,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:44,486 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-03-12 16:30:44,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:44,763 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:44,763 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 [2021-03-12 16:30:44,914 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:44,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:44,916 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:44,916 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-03-12 16:30:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:44,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:44,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-12 16:30:44,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725781601] [2021-03-12 16:30:44,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 16:30:44,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:44,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 16:30:44,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-03-12 16:30:44,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:44,923 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:44,923 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) [2021-03-12 16:30:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:44,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:45,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:45,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:45,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:45,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-03-12 16:30:45,264 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:45,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:45,264 INFO L82 PathProgramCache]: Analyzing trace with hash -702501620, now seen corresponding path program 4 times [2021-03-12 16:30:45,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:45,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530723119] [2021-03-12 16:30:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:45,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530723119] [2021-03-12 16:30:45,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627853772] [2021-03-12 16:30:45,371 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 [2021-03-12 16:30:45,390 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 16:30:45,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:45,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-03-12 16:30:45,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:45,671 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:45,671 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 [2021-03-12 16:30:45,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:45,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:45,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:45,921 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-03-12 16:30:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:45,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:45,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-03-12 16:30:45,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789396620] [2021-03-12 16:30:45,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 16:30:45,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:45,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 16:30:45,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-03-12 16:30:45,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:45,927 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:45,927 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) [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:46,537 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-03-12 16:30:46,538 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:46,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:46,538 INFO L82 PathProgramCache]: Analyzing trace with hash 610808602, now seen corresponding path program 5 times [2021-03-12 16:30:46,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:46,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024196825] [2021-03-12 16:30:46,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:46,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024196825] [2021-03-12 16:30:46,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63889901] [2021-03-12 16:30:46,629 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 [2021-03-12 16:30:46,666 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 16:30:46,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:46,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 16:30:46,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:46,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:46,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-03-12 16:30:46,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774737135] [2021-03-12 16:30:46,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 16:30:46,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:46,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 16:30:46,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-03-12 16:30:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:46,711 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:46,711 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) [2021-03-12 16:30:46,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:46,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:46,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:46,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:30:47,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable202 [2021-03-12 16:30:47,007 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:47,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:47,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1714157417, now seen corresponding path program 6 times [2021-03-12 16:30:47,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:47,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325714859] [2021-03-12 16:30:47,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:47,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325714859] [2021-03-12 16:30:47,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261907519] [2021-03-12 16:30:47,152 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 [2021-03-12 16:30:47,180 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 16:30:47,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:47,181 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 41 conjunts are in the unsatisfiable core [2021-03-12 16:30:47,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:47,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:47,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-03-12 16:30:48,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:48,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:48,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:48,411 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-03-12 16:30:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:48,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:48,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-03-12 16:30:48,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449639493] [2021-03-12 16:30:48,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-12 16:30:48,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:48,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-12 16:30:48,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-03-12 16:30:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:48,417 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:48,417 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) [2021-03-12 16:30:48,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:30:48,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:48,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:30:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:30:49,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable203 [2021-03-12 16:30:49,027 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:49,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:49,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1951548197, now seen corresponding path program 7 times [2021-03-12 16:30:49,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:49,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470493055] [2021-03-12 16:30:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:49,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470493055] [2021-03-12 16:30:49,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396920381] [2021-03-12 16:30:49,237 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 [2021-03-12 16:30:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:49,259 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-03-12 16:30:49,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:49,887 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-03-12 16:30:49,890 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:49,890 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 [2021-03-12 16:30:51,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:30:51,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:51,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:30:51,397 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-03-12 16:30:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:51,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:30:51,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-03-12 16:30:51,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25877651] [2021-03-12 16:30:51,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-12 16:30:51,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:30:51,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-12 16:30:51,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-03-12 16:30:51,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:51,403 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:30:51,403 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) [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:30:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:30:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:30:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:30:51,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable456,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:30:51,828 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:30:51,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:30:51,828 INFO L82 PathProgramCache]: Analyzing trace with hash -375694761, now seen corresponding path program 8 times [2021-03-12 16:30:51,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:30:51,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673243265] [2021-03-12 16:30:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:30:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:30:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:30:52,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673243265] [2021-03-12 16:30:52,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194357528] [2021-03-12 16:30:52,098 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 [2021-03-12 16:30:52,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 16:30:52,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:30:52,126 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-03-12 16:30:52,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:30:52,623 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-03-12 16:30:53,228 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-12 16:30:53,229 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:30:53,229 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 [2021-03-12 16:30:57,391 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-03-12 16:30:57,542 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-12 16:30:57,679 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-03-12 16:30:57,829 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-03-12 16:30:57,979 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-03-12 16:31:01,768 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-12 16:31:01,936 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-03-12 16:31:02,098 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-03-12 16:31:02,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:31:02,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:31:02,675 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:31:02,675 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-03-12 16:31:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:31:02,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:31:02,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-03-12 16:31:02,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824125026] [2021-03-12 16:31:02,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 16:31:02,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:31:02,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 16:31:02,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-03-12 16:31:02,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:31:02,681 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:31:02,681 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) [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:31:02,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:31:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:31:03,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable977 [2021-03-12 16:31:03,100 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:31:03,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:31:03,101 INFO L82 PathProgramCache]: Analyzing trace with hash 494217573, now seen corresponding path program 9 times [2021-03-12 16:31:03,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:31:03,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058582251] [2021-03-12 16:31:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:31:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:31:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:31:03,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058582251] [2021-03-12 16:31:03,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725110698] [2021-03-12 16:31:03,489 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 [2021-03-12 16:31:03,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-12 16:31:03,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:31:03,514 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-03-12 16:31:03,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:31:04,123 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-03-12 16:31:04,123 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:31:04,124 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 [2021-03-12 16:31:09,499 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-03-12 16:31:11,825 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-03-12 16:31:13,808 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-03-12 16:31:14,076 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-03-12 16:31:14,347 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-03-12 16:31:14,761 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-03-12 16:31:15,190 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-03-12 16:31:17,079 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-03-12 16:31:17,624 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-03-12 16:31:20,351 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-03-12 16:31:22,209 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-03-12 16:31:22,462 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-03-12 16:31:25,542 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-03-12 16:31:25,979 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-03-12 16:31:26,896 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-03-12 16:31:27,396 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-03-12 16:31:27,955 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-03-12 16:31:30,661 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-03-12 16:31:30,820 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-03-12 16:31:30,973 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-03-12 16:31:31,724 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-03-12 16:31:33,026 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-03-12 16:31:34,422 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-03-12 16:31:37,187 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-03-12 16:31:38,797 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-12 16:31:40,435 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-03-12 16:31:42,150 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-03-12 16:31:44,163 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-03-12 16:31:46,109 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-03-12 16:31:47,201 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-03-12 16:31:49,000 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-03-12 16:31:50,073 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-03-12 16:31:51,910 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-03-12 16:31:52,730 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-03-12 16:31:54,545 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-03-12 16:31:55,669 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-03-12 16:31:56,050 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-03-12 16:31:56,414 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-03-12 16:31:56,736 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-03-12 16:31:56,914 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-03-12 16:31:57,657 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-03-12 16:31:57,867 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-03-12 16:31:57,971 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 670 [2021-03-12 16:31:59,109 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-03-12 16:31:59,222 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-03-12 16:32:00,584 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-03-12 16:32:01,079 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-03-12 16:32:01,255 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-03-12 16:32:01,830 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-03-12 16:32:02,366 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-03-12 16:32:03,023 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-03-12 16:32:03,250 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-03-12 16:32:03,432 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-03-12 16:32:03,588 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-03-12 16:32:03,711 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-03-12 16:32:05,341 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-03-12 16:32:05,542 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-03-12 16:32:05,865 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-03-12 16:32:06,167 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-03-12 16:32:06,300 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-03-12 16:32:06,440 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-03-12 16:32:08,029 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-03-12 16:32:08,207 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-03-12 16:32:08,389 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-03-12 16:32:08,753 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-03-12 16:32:09,196 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-03-12 16:32:09,929 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-03-12 16:32:10,155 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-03-12 16:32:11,344 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-03-12 16:32:13,185 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-03-12 16:32:13,357 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-03-12 16:32:13,680 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-03-12 16:32:13,810 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-03-12 16:32:13,921 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-03-12 16:32:15,218 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-03-12 16:32:15,383 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-03-12 16:32:15,636 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-03-12 16:32:15,904 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-03-12 16:32:16,027 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-03-12 16:32:16,136 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-03-12 16:32:17,363 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-03-12 16:32:17,611 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-03-12 16:32:18,264 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-03-12 16:32:18,917 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-03-12 16:32:19,609 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-03-12 16:32:20,897 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-03-12 16:32:22,798 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-03-12 16:32:24,220 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-03-12 16:32:25,422 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-03-12 16:32:26,698 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-03-12 16:32:28,276 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-03-12 16:32:29,140 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-03-12 16:32:29,939 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-03-12 16:32:32,226 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-03-12 16:32:32,412 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-03-12 16:32:33,666 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-03-12 16:32:34,585 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-03-12 16:32:35,039 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-03-12 16:32:36,320 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-03-12 16:32:36,614 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-03-12 16:32:36,880 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-03-12 16:32:37,385 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-03-12 16:32:38,663 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-03-12 16:32:40,597 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-03-12 16:32:40,733 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-03-12 16:32:40,885 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-03-12 16:32:41,295 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-03-12 16:32:41,682 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-03-12 16:32:42,119 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-03-12 16:32:42,269 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-03-12 16:32:42,414 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-03-12 16:32:42,524 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-03-12 16:32:43,835 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-03-12 16:32:44,437 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-03-12 16:32:44,583 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-03-12 16:32:45,980 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-03-12 16:32:46,122 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-03-12 16:32:46,286 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-03-12 16:32:46,623 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-03-12 16:32:46,969 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-03-12 16:32:47,285 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-03-12 16:32:47,585 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-03-12 16:32:48,096 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-03-12 16:32:48,213 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-03-12 16:32:48,545 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-03-12 16:32:50,142 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-03-12 16:32:50,254 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-03-12 16:32:52,560 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-03-12 16:32:52,755 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-03-12 16:32:53,512 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-03-12 16:32:54,121 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-03-12 16:32:55,162 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-03-12 16:32:56,392 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-03-12 16:32:57,730 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-03-12 16:32:58,824 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-03-12 16:33:01,241 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-03-12 16:33:03,881 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-12 16:33:06,505 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-03-12 16:33:09,194 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-03-12 16:33:10,561 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-03-12 16:33:11,616 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-03-12 16:33:12,222 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-03-12 16:33:12,686 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-03-12 16:33:13,203 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-03-12 16:33:13,577 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-03-12 16:33:15,090 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-03-12 16:33:16,216 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-03-12 16:33:16,661 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-03-12 16:33:16,806 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-03-12 16:33:16,982 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-12 16:33:17,152 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-03-12 16:33:17,454 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-03-12 16:33:18,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:33:18,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:33:18,537 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:33:18,538 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-03-12 16:33:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:33:18,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:33:18,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-03-12 16:33:18,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966976070] [2021-03-12 16:33:18,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 16:33:18,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:33:18,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 16:33:18,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-03-12 16:33:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:33:18,543 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:33:18,543 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) [2021-03-12 16:33:18,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:33:18,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:33:18,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:18,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:33:18,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:18,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:19,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2771,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:33:19,028 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:33:19,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:33:19,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1691696151, now seen corresponding path program 10 times [2021-03-12 16:33:19,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:33:19,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122683734] [2021-03-12 16:33:19,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:33:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:33:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 55 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:33:19,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122683734] [2021-03-12 16:33:19,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394833736] [2021-03-12 16:33:19,123 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 [2021-03-12 16:33:19,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 16:33:19,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:33:19,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 16:33:19,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:33:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:33:19,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:33:19,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-03-12 16:33:19,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951027040] [2021-03-12 16:33:19,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-12 16:33:19,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:33:19,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-12 16:33:19,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-03-12 16:33:19,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:33:19,202 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:33:19,203 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) [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:19,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:33:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:33:19,548 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable18752 [2021-03-12 16:33:19,548 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:33:19,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:33:19,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1728585530, now seen corresponding path program 11 times [2021-03-12 16:33:19,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:33:19,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496954244] [2021-03-12 16:33:19,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:33:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:33:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:33:19,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496954244] [2021-03-12 16:33:19,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892322581] [2021-03-12 16:33:19,785 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 [2021-03-12 16:33:19,808 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-03-12 16:33:19,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:33:19,809 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-03-12 16:33:19,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:33:20,634 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-03-12 16:33:20,634 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:33:20,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-03-12 16:33:22,890 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-03-12 16:33:23,004 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-12 16:33:23,120 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-03-12 16:33:23,249 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-03-12 16:33:23,448 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-03-12 16:33:23,684 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-03-12 16:33:23,906 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-03-12 16:33:24,060 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-03-12 16:33:24,173 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-03-12 16:33:25,778 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-03-12 16:33:26,100 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-03-12 16:33:28,116 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-03-12 16:33:31,403 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-03-12 16:33:31,569 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-03-12 16:33:31,783 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-03-12 16:33:32,148 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-03-12 16:33:32,525 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-03-12 16:33:33,107 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-03-12 16:33:33,664 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-03-12 16:33:35,896 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-03-12 16:33:36,081 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-03-12 16:33:37,169 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-03-12 16:33:37,381 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-03-12 16:33:38,105 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-03-12 16:33:39,576 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-03-12 16:33:39,719 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-03-12 16:33:39,950 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-03-12 16:33:40,137 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-03-12 16:33:41,922 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-03-12 16:33:42,068 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-03-12 16:33:42,226 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-03-12 16:33:42,377 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-03-12 16:33:45,540 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-03-12 16:33:47,492 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-03-12 16:33:47,842 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-03-12 16:33:48,259 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-03-12 16:33:48,789 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-03-12 16:33:49,418 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-03-12 16:33:50,269 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-03-12 16:33:51,054 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-03-12 16:33:52,216 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-03-12 16:33:54,463 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-03-12 16:33:55,721 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-03-12 16:33:55,964 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-03-12 16:33:56,528 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-03-12 16:33:57,596 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-03-12 16:33:59,475 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-03-12 16:33:59,707 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-03-12 16:33:59,842 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-03-12 16:34:00,007 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-03-12 16:34:00,130 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-03-12 16:34:00,294 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-03-12 16:34:00,463 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-03-12 16:34:00,650 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-03-12 16:34:00,817 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-03-12 16:34:04,381 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-03-12 16:34:04,542 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-03-12 16:34:04,802 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-03-12 16:34:05,043 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-03-12 16:34:05,320 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-03-12 16:34:05,479 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-03-12 16:34:08,837 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1173 DAG size of output: 857 [2021-03-12 16:34:09,122 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-03-12 16:34:09,593 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-03-12 16:34:10,172 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-03-12 16:34:10,796 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-03-12 16:34:11,551 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-03-12 16:34:14,286 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-03-12 16:34:14,493 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-03-12 16:34:14,717 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-03-12 16:34:15,007 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-03-12 16:34:16,031 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-03-12 16:34:17,178 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-03-12 16:34:17,312 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 814 [2021-03-12 16:34:20,263 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-03-12 16:34:20,399 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-03-12 16:34:20,546 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-03-12 16:34:20,731 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-03-12 16:34:20,940 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-03-12 16:34:22,405 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-03-12 16:34:22,940 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-03-12 16:34:23,308 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-03-12 16:34:23,710 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-03-12 16:34:25,234 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-03-12 16:34:25,407 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-03-12 16:34:25,651 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-03-12 16:34:25,766 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-03-12 16:34:27,091 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-03-12 16:34:27,238 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-03-12 16:34:27,408 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-03-12 16:34:29,150 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-03-12 16:34:29,262 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-03-12 16:34:30,229 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-03-12 16:34:30,414 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-03-12 16:34:32,010 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 679 [2021-03-12 16:34:32,747 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-03-12 16:34:32,907 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-03-12 16:34:33,079 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-03-12 16:34:34,774 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-03-12 16:34:35,061 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-03-12 16:34:35,577 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-03-12 16:34:36,234 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-03-12 16:34:36,883 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-03-12 16:34:37,800 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-03-12 16:34:40,677 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-03-12 16:34:40,822 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-03-12 16:34:43,939 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-03-12 16:34:44,125 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-03-12 16:34:44,338 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-03-12 16:34:44,692 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-03-12 16:34:45,088 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-03-12 16:34:46,864 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-03-12 16:34:47,365 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-03-12 16:34:47,907 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-03-12 16:34:49,113 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-03-12 16:34:51,849 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-03-12 16:34:56,570 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-03-12 16:35:01,322 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-03-12 16:35:06,460 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-03-12 16:35:09,873 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-03-12 16:35:14,673 WARN L205 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-03-12 16:35:16,514 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-03-12 16:35:18,815 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-03-12 16:35:20,295 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-03-12 16:35:20,865 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-03-12 16:35:21,202 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-03-12 16:35:21,494 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-03-12 16:35:21,676 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-03-12 16:35:21,840 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-03-12 16:35:21,959 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-03-12 16:35:22,085 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-03-12 16:35:22,216 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-03-12 16:35:22,421 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 880 [2021-03-12 16:35:25,555 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-03-12 16:35:25,693 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-03-12 16:35:26,239 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-03-12 16:35:26,395 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-03-12 16:35:26,564 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-03-12 16:35:28,371 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-03-12 16:35:28,696 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-03-12 16:35:28,977 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-03-12 16:35:29,199 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-03-12 16:35:29,449 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-03-12 16:35:29,648 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-03-12 16:35:32,008 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-03-12 16:35:32,166 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-03-12 16:35:32,287 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-03-12 16:35:35,324 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-03-12 16:35:35,461 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-03-12 16:35:35,628 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-03-12 16:35:35,956 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-03-12 16:35:36,242 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-03-12 16:35:36,544 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-03-12 16:35:36,867 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-03-12 16:35:37,500 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-03-12 16:35:38,109 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-03-12 16:35:39,135 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-03-12 16:35:40,194 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-03-12 16:35:42,513 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-03-12 16:35:44,861 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-03-12 16:35:47,290 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-03-12 16:35:47,979 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-03-12 16:35:48,501 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-03-12 16:35:48,937 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-03-12 16:35:49,292 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-03-12 16:35:49,549 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-03-12 16:35:49,806 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-03-12 16:35:49,967 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-03-12 16:35:50,159 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-03-12 16:35:50,307 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-03-12 16:35:50,954 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-03-12 16:35:52,471 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-03-12 16:35:52,588 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-03-12 16:35:52,775 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-03-12 16:35:52,931 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-03-12 16:35:53,854 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-03-12 16:35:54,319 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-03-12 16:35:54,570 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-03-12 16:35:54,817 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-03-12 16:35:55,049 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-03-12 16:35:55,256 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-03-12 16:35:55,425 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-03-12 16:35:55,547 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-03-12 16:35:55,729 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-03-12 16:35:56,807 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-03-12 16:35:58,663 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-03-12 16:35:59,050 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-03-12 16:35:59,412 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-03-12 16:35:59,799 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-03-12 16:36:00,081 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-03-12 16:36:00,275 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-03-12 16:36:02,581 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1255 DAG size of output: 547 [2021-03-12 16:36:02,798 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-03-12 16:36:02,917 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-03-12 16:36:05,777 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-03-12 16:36:07,851 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 920 [2021-03-12 16:36:10,551 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-03-12 16:36:10,700 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-03-12 16:36:10,851 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-03-12 16:36:11,971 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-03-12 16:36:12,239 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-03-12 16:36:12,726 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-03-12 16:36:13,275 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-03-12 16:36:13,800 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-03-12 16:36:14,383 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-03-12 16:36:14,683 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-03-12 16:36:14,986 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-03-12 16:36:15,141 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-03-12 16:36:16,084 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-03-12 16:36:16,910 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-03-12 16:36:17,075 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-03-12 16:36:17,244 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-03-12 16:36:17,416 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-03-12 16:36:17,568 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-03-12 16:36:18,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:36:18,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:36:18,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:36:18,194 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-03-12 16:36:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:36:18,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:36:18,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-03-12 16:36:18,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132483225] [2021-03-12 16:36:18,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-12 16:36:18,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:36:18,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-12 16:36:18,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-03-12 16:36:18,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:36:18,200 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:36:18,200 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) [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:36:18,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:36:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:36:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:36:18,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18753,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 16:36:18,867 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:36:18,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:36:18,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1454263660, now seen corresponding path program 12 times [2021-03-12 16:36:18,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:36:18,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95640789] [2021-03-12 16:36:18,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:36:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:36:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:36:19,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95640789] [2021-03-12 16:36:19,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841834802] [2021-03-12 16:36:19,214 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 [2021-03-12 16:36:19,245 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-03-12 16:36:19,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 16:36:19,246 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 76 conjunts are in the unsatisfiable core [2021-03-12 16:36:19,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:36:20,170 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-03-12 16:36:20,170 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:36:20,170 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 [2021-03-12 16:36:24,545 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-03-12 16:36:24,681 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-03-12 16:36:24,827 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-03-12 16:36:25,069 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-03-12 16:36:25,322 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-03-12 16:36:25,629 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-03-12 16:36:25,825 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-03-12 16:36:26,063 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-03-12 16:36:26,268 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-03-12 16:36:26,454 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-03-12 16:36:26,588 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-03-12 16:36:26,729 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-03-12 16:36:26,864 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-03-12 16:36:26,992 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-03-12 16:36:29,671 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-03-12 16:36:30,978 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-03-12 16:36:31,175 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-03-12 16:36:31,420 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-03-12 16:36:31,640 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-03-12 16:36:31,876 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-03-12 16:36:32,127 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-03-12 16:36:32,410 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-03-12 16:36:32,590 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-03-12 16:36:32,791 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-03-12 16:36:33,083 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-03-12 16:36:34,999 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-03-12 16:36:35,146 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-03-12 16:36:35,600 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-03-12 16:36:36,059 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-03-12 16:36:36,553 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-03-12 16:36:37,135 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-03-12 16:36:37,576 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-03-12 16:36:38,003 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-03-12 16:36:38,335 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-03-12 16:36:38,725 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-03-12 16:36:39,172 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-03-12 16:36:39,428 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-03-12 16:36:39,581 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-03-12 16:36:41,473 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-03-12 16:36:44,053 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-03-12 16:36:44,271 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-03-12 16:36:44,582 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-03-12 16:36:44,900 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-03-12 16:36:45,241 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-03-12 16:36:45,636 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-03-12 16:36:46,035 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-03-12 16:36:46,471 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-03-12 16:36:46,918 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-03-12 16:36:47,369 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-03-12 16:36:47,849 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-03-12 16:36:48,372 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-03-12 16:36:48,750 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-03-12 16:36:49,016 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-03-12 16:36:49,141 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-03-12 16:36:49,581 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-03-12 16:36:49,705 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-03-12 16:36:49,826 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-03-12 16:36:52,433 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-03-12 16:36:52,553 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-03-12 16:36:52,683 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-03-12 16:36:52,914 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-03-12 16:36:53,106 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-03-12 16:36:53,296 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-03-12 16:36:53,446 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-03-12 16:36:54,058 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-03-12 16:36:54,312 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-03-12 16:36:54,469 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-03-12 16:36:56,940 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 623 [2021-03-12 16:36:57,087 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-03-12 16:36:57,253 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-03-12 16:36:57,442 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-03-12 16:36:57,759 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-03-12 16:36:57,991 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-03-12 16:36:58,456 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-03-12 16:36:58,932 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-03-12 16:36:59,124 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-03-12 16:36:59,330 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-03-12 16:36:59,867 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-03-12 16:36:59,992 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-03-12 16:37:00,154 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-03-12 16:37:00,262 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-03-12 16:37:01,708 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-03-12 16:37:02,001 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-03-12 16:37:02,174 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-03-12 16:37:03,525 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-03-12 16:37:03,822 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-03-12 16:37:04,012 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-03-12 16:37:04,244 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-03-12 16:37:04,501 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-03-12 16:37:04,750 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-03-12 16:37:05,108 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-03-12 16:37:05,272 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-03-12 16:37:05,577 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-03-12 16:37:05,988 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-03-12 16:37:06,128 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-03-12 16:37:06,309 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-03-12 16:37:06,471 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-03-12 16:37:07,758 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-03-12 16:37:07,868 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-03-12 16:37:09,111 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-03-12 16:37:09,240 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-03-12 16:37:09,476 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-03-12 16:37:09,797 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-03-12 16:37:10,278 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-03-12 16:37:11,260 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-03-12 16:37:12,296 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-03-12 16:37:13,329 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-03-12 16:37:14,370 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-03-12 16:37:14,855 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-03-12 16:37:15,214 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-03-12 16:37:15,500 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-03-12 16:37:15,615 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 908 [2021-03-12 16:37:17,314 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 858 [2021-03-12 16:37:17,460 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-03-12 16:37:19,851 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-03-12 16:37:20,514 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-03-12 16:37:20,787 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-03-12 16:37:21,034 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-03-12 16:37:21,291 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-03-12 16:37:21,413 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-03-12 16:37:21,949 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 16:37:21,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:37:21,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 16:37:21,950 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-03-12 16:37:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:37:21,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 16:37:21,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-03-12 16:37:21,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567876356] [2021-03-12 16:37:21,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-03-12 16:37:21,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 16:37:21,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-03-12 16:37:21,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1387, Unknown=0, NotChecked=0, Total=1482 [2021-03-12 16:37:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:37:21,956 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 16:37:21,956 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) [2021-03-12 16:37:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:37:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:37:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:37:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:37:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:37:21,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:37:21,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 16:37:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 16:37:22,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42166 [2021-03-12 16:37:22,569 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 16:37:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 16:37:22,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1540220282, now seen corresponding path program 13 times [2021-03-12 16:37:22,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 16:37:22,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305168876] [2021-03-12 16:37:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 16:37:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:37:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 16:37:22,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305168876] [2021-03-12 16:37:22,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115307860] [2021-03-12 16:37:22,885 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 [2021-03-12 16:37:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 16:37:22,909 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 80 conjunts are in the unsatisfiable core [2021-03-12 16:37:22,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 16:37:24,061 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-03-12 16:37:24,062 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 16:37:24,062 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 [2021-03-12 16:37:27,125 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-03-12 16:37:30,864 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-03-12 16:37:31,160 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-03-12 16:37:31,494 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-03-12 16:37:31,837 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-03-12 16:37:32,492 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-03-12 16:37:33,109 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-03-12 16:37:33,408 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-03-12 16:37:33,535 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-03-12 16:37:33,689 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-03-12 16:37:33,824 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-03-12 16:37:33,943 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-03-12 16:37:34,067 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-03-12 16:37:34,188 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-03-12 16:37:36,941 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-03-12 16:37:37,085 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-03-12 16:37:38,517 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-03-12 16:37:41,699 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-03-12 16:37:41,902 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-03-12 16:37:42,399 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-03-12 16:37:45,094 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-03-12 16:37:45,277 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-03-12 16:37:47,526 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-03-12 16:37:47,873 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-03-12 16:37:48,667 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-03-12 16:37:53,045 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-03-12 16:37:53,275 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-03-12 16:37:55,667 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-03-12 16:37:57,810 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-03-12 16:37:58,136 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-03-12 16:37:58,621 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-03-12 16:37:59,302 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-03-12 16:38:01,344 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-03-12 16:38:01,843 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-03-12 16:38:03,074 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 754 [2021-03-12 16:38:04,128 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-03-12 16:38:04,992 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-03-12 16:38:05,379 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-03-12 16:38:07,228 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-03-12 16:38:08,598 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 703 [2021-03-12 16:38:08,821 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-03-12 16:38:09,386 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-03-12 16:38:10,089 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-03-12 16:38:11,381 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-03-12 16:38:12,751 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-03-12 16:38:15,013 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-03-12 16:38:17,740 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-03-12 16:38:20,291 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-03-12 16:38:21,808 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-03-12 16:38:22,104 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-03-12 16:38:24,888 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-03-12 16:38:27,833 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-03-12 16:38:30,970 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-03-12 16:38:34,376 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-03-12 16:38:39,508 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-03-12 16:38:39,670 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-03-12 16:38:43,329 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-03-12 16:38:43,569 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-03-12 16:38:44,016 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-03-12 16:38:46,676 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-03-12 16:38:46,845 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-03-12 16:38:49,229 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-03-12 16:38:49,547 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-03-12 16:38:51,976 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-03-12 16:38:53,182 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 733 [2021-03-12 16:38:54,383 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-03-12 16:38:56,382 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-03-12 16:38:56,520 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-03-12 16:38:56,808 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-03-12 16:38:57,259 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-03-12 16:38:58,124 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-03-12 16:38:59,939 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-03-12 16:39:01,136 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-03-12 16:39:03,553 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-03-12 16:39:03,901 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-03-12 16:39:05,547 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-03-12 16:39:08,075 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 956 [2021-03-12 16:39:08,182 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-03-12 16:39:09,022 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-03-12 16:39:10,706 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-03-12 16:39:13,486 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-03-12 16:39:15,067 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-03-12 16:39:15,495 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-03-12 16:39:17,697 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-03-12 16:39:20,606 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-03-12 16:39:20,825 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-03-12 16:39:21,675 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-03-12 16:39:24,226 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-03-12 16:39:27,028 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-03-12 16:39:29,980 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-03-12 16:39:33,104 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-03-12 16:39:36,447 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-03-12 16:39:40,000 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-03-12 16:39:44,511 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-03-12 16:39:51,861 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-03-12 16:39:52,103 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-03-12 16:39:52,228 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-03-12 16:39:52,348 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-03-12 16:39:52,508 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 [2021-03-12 16:39:54,107 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 641 [2021-03-12 16:39:57,573 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1508 [2021-03-12 16:39:57,825 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1657 [2021-03-12 16:39:59,050 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 889 DAG size of output: 839 [2021-03-12 16:40:02,239 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1207 [2021-03-12 16:40:02,393 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1286 [2021-03-12 16:40:02,702 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 2179 [2021-03-12 16:40:03,257 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 3783 DAG size of output: 3037 [2021-03-12 16:40:04,782 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 3383 [2021-03-12 16:40:05,293 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 507 [2021-03-12 16:40:06,721 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 785 [2021-03-12 16:40:06,895 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 598 [2021-03-12 16:40:08,250 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 921 [2021-03-12 16:40:08,680 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1151 [2021-03-12 16:40:08,922 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1888 DAG size of output: 1608 [2021-03-12 16:40:10,845 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1149 [2021-03-12 16:40:12,087 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1820 DAG size of output: 1729 [2021-03-12 16:40:14,293 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1404 DAG size of output: 1234 [2021-03-12 16:40:14,677 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 2664 DAG size of output: 2563 [2021-03-12 16:40:15,292 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 3829 DAG size of output: 3556 [2021-03-12 16:40:16,024 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 4064 DAG size of output: 3714 [2021-03-12 16:40:17,358 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 7138 DAG size of output: 6235 [2021-03-12 16:40:21,025 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 881 [2021-03-12 16:40:21,240 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1430 [2021-03-12 16:40:21,497 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1590 [2021-03-12 16:40:21,881 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1818 [2021-03-12 16:40:24,541 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1101 [2021-03-12 16:40:24,744 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1713 DAG size of output: 1582 [2021-03-12 16:40:27,010 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1181 [2021-03-12 16:40:27,424 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 2506 DAG size of output: 2399 [2021-03-12 16:40:27,829 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2579 [2021-03-12 16:40:28,546 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 4060 DAG size of output: 3794 [2021-03-12 16:40:31,353 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 961 [2021-03-12 16:40:33,137 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1637 [2021-03-12 16:40:33,395 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1797 [2021-03-12 16:40:37,748 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1209 [2021-03-12 16:40:37,904 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1304 [2021-03-12 16:40:38,213 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 2102 [2021-03-12 16:40:38,794 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 3647 DAG size of output: 3063 [2021-03-12 16:40:39,523 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 3377 [2021-03-12 16:40:40,900 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 7065 DAG size of output: 6258 [2021-03-12 16:40:43,710 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 13484 DAG size of output: 11267 [2021-03-12 16:40:45,089 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 673 [2021-03-12 16:40:46,618 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 500 [2021-03-12 16:40:46,909 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1098 [2021-03-12 16:40:49,471 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 964 [2021-03-12 16:40:49,852 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 2424 DAG size of output: 1788 [2021-03-12 16:40:53,173 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 15746 DAG size of output: 12900 [2021-03-12 16:40:58,084 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 16353 DAG size of output: 13473 [2021-03-12 16:41:03,169 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 17666 DAG size of output: 14071 [2021-03-12 16:41:07,263 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 17919 DAG size of output: 14391 [2021-03-12 16:41:11,445 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 18270 DAG size of output: 14573 [2021-03-12 16:41:15,906 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 18574 DAG size of output: 14802 [2021-03-12 16:41:16,144 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 927 [2021-03-12 16:41:17,608 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 841 [2021-03-12 16:41:19,953 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 758 [2021-03-12 16:41:21,377 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1253 [2021-03-12 16:41:24,069 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 633 [2021-03-12 16:41:24,428 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1943 [2021-03-12 16:41:26,264 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 977 [2021-03-12 16:41:28,203 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1581 [2021-03-12 16:41:28,726 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 2976 [2021-03-12 16:41:30,813 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1051 [2021-03-12 16:41:32,837 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 1007 [2021-03-12 16:41:33,072 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1689 [2021-03-12 16:41:35,489 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 963 [2021-03-12 16:41:37,809 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1105 [2021-03-12 16:41:38,083 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1855 [2021-03-12 16:41:39,187 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 5189 DAG size of output: 5120 [2021-03-12 16:41:40,656 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 5464 DAG size of output: 5420 [2021-03-12 16:41:42,048 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 5505 DAG size of output: 5370 [2021-03-12 16:41:42,210 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 718 [2021-03-12 16:41:45,396 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1164 [2021-03-12 16:41:47,483 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 895 [2021-03-12 16:41:47,775 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1548 [2021-03-12 16:41:49,714 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 904 [2021-03-12 16:41:52,205 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1031 [2021-03-12 16:41:52,718 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 3540 DAG size of output: 2743 [2021-03-12 16:41:53,333 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 3752 DAG size of output: 2945 [2021-03-12 16:41:54,010 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 3782 DAG size of output: 2948 [2021-03-12 16:41:55,895 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1061 [2021-03-12 16:41:57,397 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1574 [2021-03-12 16:41:57,636 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 1758 DAG size of output: 1591 [2021-03-12 16:41:59,873 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1135 [2021-03-12 16:42:00,094 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1158 [2021-03-12 16:42:00,501 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 2423 [2021-03-12 16:42:03,025 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1039 [2021-03-12 16:42:04,660 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 751 [2021-03-12 16:42:04,779 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 763 [2021-03-12 16:42:05,124 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 1912 DAG size of output: 1493 [2021-03-12 16:42:05,885 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3339 [2021-03-12 16:42:07,318 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 6616 DAG size of output: 5590 [2021-03-12 16:42:10,079 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 11460 DAG size of output: 9966 [2021-03-12 16:42:12,063 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 908 [2021-03-12 16:42:13,863 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 876 [2021-03-12 16:42:14,148 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1467 [2021-03-12 16:42:17,335 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 13202 DAG size of output: 11038 [2021-03-12 16:42:20,647 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 14429 DAG size of output: 11480 [2021-03-12 16:42:25,154 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 14709 DAG size of output: 11827 [2021-03-12 16:42:29,019 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 15008 DAG size of output: 12048 [2021-03-12 16:42:37,510 WARN L205 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 32411 DAG size of output: 25107 [2021-03-12 16:42:46,403 WARN L205 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 32818 DAG size of output: 25389 [2021-03-12 16:43:02,720 WARN L205 SmtUtils]: Spent 16.08 s on a formula simplification. DAG size of input: 57077 DAG size of output: 45107 [2021-03-12 16:43:19,771 WARN L205 SmtUtils]: Spent 16.72 s on a formula simplification. DAG size of input: 57471 DAG size of output: 45432 [2021-03-12 16:43:23,142 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1076 [2021-03-12 16:43:26,602 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 970 [2021-03-12 16:43:29,669 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 925 [2021-03-12 16:43:29,874 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1415 [2021-03-12 16:43:30,299 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 2188 [2021-03-12 16:43:32,339 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 964 [2021-03-12 16:43:34,078 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1001 [2021-03-12 16:43:36,117 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 889 [2021-03-12 16:43:37,973 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 971 [2021-03-12 16:43:38,211 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1581 [2021-03-12 16:43:38,689 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 2742 DAG size of output: 2659 [2021-03-12 16:43:39,625 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 4053 DAG size of output: 4092 [2021-03-12 16:43:41,600 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 4261 DAG size of output: 4309 [2021-03-12 16:43:42,914 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 4554 DAG size of output: 4422 [2021-03-12 16:43:48,631 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1428 DAG size of output: 1345 [2021-03-12 16:43:48,952 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2088 [2021-03-12 16:43:51,793 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 670 [2021-03-12 16:43:52,805 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1694 DAG size of output: 1421 [2021-03-12 16:43:54,704 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1120 DAG size of output: 1010 [2021-03-12 16:43:56,443 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1662 DAG size of output: 1507 [2021-03-12 16:43:56,900 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 2968 DAG size of output: 2614 [2021-03-12 16:43:57,764 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 4476 DAG size of output: 4129 [2021-03-12 16:43:59,645 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 4811 DAG size of output: 4441 [2021-03-12 16:44:00,650 WARN L205 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 5104 DAG size of output: 4605 [2021-03-12 16:44:02,734 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 8904 DAG size of output: 7925 [2021-03-12 16:44:05,164 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 10245 DAG size of output: 8713 [2021-03-12 16:44:07,759 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 10495 DAG size of output: 8927 [2021-03-12 16:44:10,917 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 892 [2021-03-12 16:44:12,672 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 697 [2021-03-12 16:44:12,790 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 706 [2021-03-12 16:44:13,074 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1388 [2021-03-12 16:44:13,466 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 2494 DAG size of output: 1902 [2021-03-12 16:44:15,699 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 788 [2021-03-12 16:44:17,392 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1559 DAG size of output: 1303 [2021-03-12 16:44:17,649 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1472 [2021-03-12 16:44:19,966 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 953 [2021-03-12 16:44:21,569 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 845 [2021-03-12 16:44:21,820 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1641 [2021-03-12 16:44:22,150 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1950 DAG size of output: 1804 [2021-03-12 16:44:22,488 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 2215 DAG size of output: 2036 [2021-03-12 16:44:23,001 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 3370 DAG size of output: 2783 [2021-03-12 16:44:24,909 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1057 [2021-03-12 16:44:26,851 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1940 DAG size of output: 1823 [2021-03-12 16:44:29,542 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1382 DAG size of output: 1352 [2021-03-12 16:44:29,989 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 2892 DAG size of output: 2753 [2021-03-12 16:44:31,998 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 3427 DAG size of output: 3211 [2021-03-12 16:44:33,130 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 5823 DAG size of output: 5114 [2021-03-12 16:44:34,333 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 6142 DAG size of output: 5314 [2021-03-12 16:44:39,264 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1455 DAG size of output: 1265 [2021-03-12 16:44:39,626 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 2444 DAG size of output: 2149 [2021-03-12 16:44:41,214 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1047 DAG size of output: 985 [2021-03-12 16:44:42,628 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1684 DAG size of output: 1551 [2021-03-12 16:44:42,854 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1819 DAG size of output: 1645 [2021-03-12 16:44:44,558 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 900 [2021-03-12 16:44:46,309 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1064 [2021-03-12 16:44:46,444 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1153 [2021-03-12 16:44:46,677 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 2016 DAG size of output: 1614 [2021-03-12 16:44:47,191 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 3342 DAG size of output: 2802 [2021-03-12 16:44:48,022 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 5079 DAG size of output: 4362 [2021-03-12 16:44:51,227 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 5658 DAG size of output: 4888 [2021-03-12 16:44:52,534 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 5971 DAG size of output: 5124 [2021-03-12 16:44:54,856 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 11020 DAG size of output: 9098 [2021-03-12 16:44:57,588 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 13314 DAG size of output: 10671 [2021-03-12 16:45:00,559 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 13609 DAG size of output: 10815 [2021-03-12 16:45:03,688 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 13877 DAG size of output: 11045 Received shutdown request... [2021-03-12 16:45:09,538 WARN L205 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 23604 DAG size of output: 18659 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown