/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 22:00:06,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 22:00:06,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 22:00:06,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 22:00:06,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf [2021-07-13 22:00:06,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 22:00:06,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 22:00:06,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 22:00:06,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 22:00:06,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 22:00:06,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 22:00:06,442 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 22:00:06,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 22:00:06,442 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 22:00:06,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 22:00:06,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 22:00:06,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 22:00:06,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 22:00:06,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 22:00:06,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 22:00:06,444 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 22:00:06,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 22:00:06,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 22:00:06,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 22:00:06,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 22:00:06,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 22:00:06,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 22:00:06,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 22:00:06,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 22:00:06,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 22:00:06,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 22:00:06,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 22:00:06,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 22:00:06,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 22:00:06,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 22:00:06,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 22:00:06,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 22:00:06,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 22:00:06,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 22:00:06,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 22:00:06,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 22:00:06,735 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 22:00:06,736 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 22:00:06,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-07-13 22:00:06,737 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-07-13 22:00:06,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 22:00:06,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 22:00:06,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 22:00:06,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 22:00:06,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 22:00:06,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 22:00:06,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 22:00:06,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 22:00:06,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 22:00:06,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... [2021-07-13 22:00:06,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 22:00:06,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 22:00:06,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 22:00:06,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 22:00:06,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 22:00:06,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 22:00:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 22:00:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 22:00:06,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 22:00:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 22:00:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 22:00:06,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 22:00:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 22:00:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 22:00:06,854 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 22:00:07,086 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 22:00:07,087 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-13 22:00:07,087 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-13 22:00:07,088 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:00:07 BoogieIcfgContainer [2021-07-13 22:00:07,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 22:00:07,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 22:00:07,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 22:00:07,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 22:00:07,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:00:06" (1/2) ... [2021-07-13 22:00:07,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487afa50 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:00:07, skipping insertion in model container [2021-07-13 22:00:07,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:00:07" (2/2) ... [2021-07-13 22:00:07,105 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-07-13 22:00:07,109 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 22:00:07,109 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 22:00:07,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 22:00:07,109 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 22:00:07,149 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 22:00:07,165 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-13 22:00:07,205 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 22:00:07,206 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 22:00:07,206 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 22:00:07,206 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 22:00:07,206 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 22:00:07,206 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 22:00:07,206 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 22:00:07,206 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 22:00:07,212 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 16 transitions, 48 flow [2021-07-13 22:00:07,221 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:07,231 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:07,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:07,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1117752213, now seen corresponding path program 1 times [2021-07-13 22:00:07,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:07,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166699420] [2021-07-13 22:00:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:07,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:07,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166699420] [2021-07-13 22:00:07,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166699420] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 22:00:07,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 22:00:07,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-13 22:00:07,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084330405] [2021-07-13 22:00:07,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 22:00:07,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:07,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 22:00:07,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-13 22:00:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:07,417 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:07,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:07,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:07,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 22:00:07,451 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:07,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1312180789, now seen corresponding path program 1 times [2021-07-13 22:00:07,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:07,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086738697] [2021-07-13 22:00:07,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:07,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:07,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086738697] [2021-07-13 22:00:07,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086738697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:07,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311748353] [2021-07-13 22:00:07,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:07,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 22:00:07,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:07,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-13 22:00:07,732 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:07,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:07,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:07,734 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-13 22:00:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:07,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311748353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:07,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:07,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-13 22:00:07,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497900099] [2021-07-13 22:00:07,743 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 22:00:07,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:07,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 22:00:07,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-13 22:00:07,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:07,744 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:07,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:07,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:07,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:07,996 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:07,997 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:07,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:07,998 INFO L82 PathProgramCache]: Analyzing trace with hash -669307477, now seen corresponding path program 2 times [2021-07-13 22:00:07,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:07,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571810195] [2021-07-13 22:00:07,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:08,028 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:08,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571810195] [2021-07-13 22:00:08,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571810195] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:08,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270759927] [2021-07-13 22:00:08,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:08,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:00:08,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:08,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-13 22:00:08,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:08,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270759927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:08,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:08,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-13 22:00:08,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380207701] [2021-07-13 22:00:08,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 22:00:08,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:08,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 22:00:08,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-13 22:00:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:08,087 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:08,088 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:08,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:08,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:08,339 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:08,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:08,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1551916118, now seen corresponding path program 1 times [2021-07-13 22:00:08,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:08,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25638740] [2021-07-13 22:00:08,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:08,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:08,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25638740] [2021-07-13 22:00:08,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25638740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:08,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011178792] [2021-07-13 22:00:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:08,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-13 22:00:08,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:08,561 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:08,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-13 22:00:08,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:08,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:08,571 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:08,571 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-13 22:00:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:08,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011178792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:08,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:08,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-13 22:00:08,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849891376] [2021-07-13 22:00:08,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 22:00:08,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:08,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 22:00:08,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-13 22:00:08,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:08,582 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:08,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:08,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:08,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:08,913 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:08,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:08,914 INFO L82 PathProgramCache]: Analyzing trace with hash 12204620, now seen corresponding path program 2 times [2021-07-13 22:00:08,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:08,914 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681851822] [2021-07-13 22:00:08,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:09,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:09,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681851822] [2021-07-13 22:00:09,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681851822] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:09,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476656835] [2021-07-13 22:00:09,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:09,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:00:09,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:09,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-13 22:00:09,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:09,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:09,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-13 22:00:09,189 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:09,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:09,190 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:09,190 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-13 22:00:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:09,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476656835] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:09,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:09,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-13 22:00:09,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005756675] [2021-07-13 22:00:09,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 22:00:09,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:09,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 22:00:09,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-13 22:00:09,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:09,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:09,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:09,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:09,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:09,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:09,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:09,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:09,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:09,529 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:09,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:09,529 INFO L82 PathProgramCache]: Analyzing trace with hash -474211562, now seen corresponding path program 3 times [2021-07-13 22:00:09,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:09,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910449540] [2021-07-13 22:00:09,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:09,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:09,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910449540] [2021-07-13 22:00:09,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910449540] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:09,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063562261] [2021-07-13 22:00:09,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:09,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 22:00:09,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:09,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 22:00:09,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:09,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063562261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:09,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:09,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-13 22:00:09,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663859591] [2021-07-13 22:00:09,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 22:00:09,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:09,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 22:00:09,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-13 22:00:09,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:09,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:09,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:09,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:09,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:09,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:09,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:09,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:09,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:09,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:09,941 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:09,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:09,941 INFO L82 PathProgramCache]: Analyzing trace with hash -990045109, now seen corresponding path program 4 times [2021-07-13 22:00:09,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:09,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282611397] [2021-07-13 22:00:09,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:10,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:10,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282611397] [2021-07-13 22:00:10,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282611397] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:10,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859362877] [2021-07-13 22:00:10,036 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:10,073 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:00:10,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:10,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 22:00:10,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:10,290 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:10,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-13 22:00:10,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:10,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:10,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:10,345 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-13 22:00:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:10,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859362877] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:10,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:10,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-13 22:00:10,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062335024] [2021-07-13 22:00:10,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 22:00:10,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:10,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 22:00:10,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-07-13 22:00:10,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:10,352 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:10,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:10,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:10,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:10,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:10,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:10,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:10,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:10,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:10,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-13 22:00:10,711 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:10,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:10,712 INFO L82 PathProgramCache]: Analyzing trace with hash -284560747, now seen corresponding path program 5 times [2021-07-13 22:00:10,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:10,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583104893] [2021-07-13 22:00:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:10,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:10,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583104893] [2021-07-13 22:00:10,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583104893] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:10,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824238729] [2021-07-13 22:00:10,798 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:10,823 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 22:00:10,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:10,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 22:00:10,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:11,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:11,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-13 22:00:11,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:11,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:11,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:11,128 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-13 22:00:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:11,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824238729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:11,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:11,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-13 22:00:11,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165916292] [2021-07-13 22:00:11,135 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 22:00:11,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:11,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 22:00:11,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-07-13 22:00:11,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:11,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:11,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:11,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:11,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:11,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:11,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:11,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:11,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:11,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:11,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:11,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:11,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:11,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:11,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:11,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:11,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-13 22:00:11,517 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:11,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:11,517 INFO L82 PathProgramCache]: Analyzing trace with hash 110617995, now seen corresponding path program 6 times [2021-07-13 22:00:11,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:11,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864723540] [2021-07-13 22:00:11,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:11,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:11,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864723540] [2021-07-13 22:00:11,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864723540] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:11,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819039788] [2021-07-13 22:00:11,586 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:11,617 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 22:00:11,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:11,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 22:00:11,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:11,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819039788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:11,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:11,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-07-13 22:00:11,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381254038] [2021-07-13 22:00:11,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-13 22:00:11,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:11,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-13 22:00:11,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-07-13 22:00:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:11,666 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:11,666 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:11,996 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-13 22:00:11,996 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:11,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:11,997 INFO L82 PathProgramCache]: Analyzing trace with hash -40198026, now seen corresponding path program 7 times [2021-07-13 22:00:11,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:11,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607828204] [2021-07-13 22:00:11,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:12,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:12,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607828204] [2021-07-13 22:00:12,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607828204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:12,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639487839] [2021-07-13 22:00:12,121 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:12,155 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-13 22:00:12,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:12,447 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:12,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-13 22:00:12,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:12,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:12,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:12,693 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-13 22:00:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:12,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639487839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:12,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:12,699 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-13 22:00:12,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500792287] [2021-07-13 22:00:12,700 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 22:00:12,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:12,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 22:00:12,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-13 22:00:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:12,700 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:12,700 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:12,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:12,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:12,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:13,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-13 22:00:13,197 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:13,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:13,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1769450988, now seen corresponding path program 8 times [2021-07-13 22:00:13,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:13,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19943474] [2021-07-13 22:00:13,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:13,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:13,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19943474] [2021-07-13 22:00:13,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19943474] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:13,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795547251] [2021-07-13 22:00:13,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:13,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:00:13,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:13,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-13 22:00:13,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:13,657 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:13,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-13 22:00:14,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:14,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:14,160 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:14,160 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-13 22:00:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:14,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795547251] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:14,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:14,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-13 22:00:14,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521034549] [2021-07-13 22:00:14,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 22:00:14,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:14,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 22:00:14,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-13 22:00:14,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:14,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:14,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:14,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:14,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-07-13 22:00:14,753 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:14,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:14,753 INFO L82 PathProgramCache]: Analyzing trace with hash 2033995574, now seen corresponding path program 9 times [2021-07-13 22:00:14,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:14,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096526697] [2021-07-13 22:00:14,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:14,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:14,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096526697] [2021-07-13 22:00:14,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096526697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:14,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020247500] [2021-07-13 22:00:14,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:14,869 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 22:00:14,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:14,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 22:00:14,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:14,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020247500] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:14,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:14,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-13 22:00:14,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943690032] [2021-07-13 22:00:14,923 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 22:00:14,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:14,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 22:00:14,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-07-13 22:00:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:14,924 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:14,924 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:15,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:15,287 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:15,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:15,287 INFO L82 PathProgramCache]: Analyzing trace with hash -545035221, now seen corresponding path program 10 times [2021-07-13 22:00:15,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:15,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297118413] [2021-07-13 22:00:15,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:15,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:15,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297118413] [2021-07-13 22:00:15,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297118413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:15,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931003094] [2021-07-13 22:00:15,475 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:15,502 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:00:15,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:15,503 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-13 22:00:15,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:15,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:15,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-13 22:00:17,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:17,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:17,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:17,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-13 22:00:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:17,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931003094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:17,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:17,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-13 22:00:17,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334623264] [2021-07-13 22:00:17,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 22:00:17,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:17,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 22:00:17,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-13 22:00:17,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:17,791 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:17,791 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:17,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:18,483 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-13 22:00:18,484 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:18,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:18,484 INFO L82 PathProgramCache]: Analyzing trace with hash 279241461, now seen corresponding path program 11 times [2021-07-13 22:00:18,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:18,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792097751] [2021-07-13 22:00:18,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:18,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:18,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792097751] [2021-07-13 22:00:18,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792097751] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:18,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398022063] [2021-07-13 22:00:18,672 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:18,727 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 22:00:18,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:18,728 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-13 22:00:18,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:19,242 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-13 22:00:19,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:19,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-13 22:00:20,346 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-13 22:00:21,163 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-13 22:00:21,307 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-13 22:00:21,625 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-13 22:00:21,913 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-13 22:00:22,251 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-13 22:00:22,683 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-13 22:00:23,367 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-13 22:00:23,496 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-13 22:00:23,680 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-13 22:00:24,687 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:24,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:24,689 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:24,689 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-13 22:00:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:24,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398022063] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:24,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:24,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-13 22:00:24,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370124886] [2021-07-13 22:00:24,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 22:00:24,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:24,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 22:00:24,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-07-13 22:00:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:24,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:24,696 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:24,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:25,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:25,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:25,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-13 22:00:25,446 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:25,446 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:25,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:25,447 INFO L82 PathProgramCache]: Analyzing trace with hash 62014827, now seen corresponding path program 12 times [2021-07-13 22:00:25,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:25,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392165093] [2021-07-13 22:00:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:25,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:25,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392165093] [2021-07-13 22:00:25,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392165093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:25,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235412160] [2021-07-13 22:00:25,557 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:25,588 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-13 22:00:25,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:25,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-13 22:00:25,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:25,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235412160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:25,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:25,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-13 22:00:25,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202556710] [2021-07-13 22:00:25,652 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 22:00:25,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:25,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 22:00:25,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-13 22:00:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:25,653 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:25,653 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:25,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:25,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:25,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:25,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:25,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-13 22:00:25,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-13 22:00:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:26,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable900,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:26,070 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:26,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:26,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1546896234, now seen corresponding path program 13 times [2021-07-13 22:00:26,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:26,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680221821] [2021-07-13 22:00:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:26,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:26,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680221821] [2021-07-13 22:00:26,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680221821] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:26,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784643871] [2021-07-13 22:00:26,304 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:26,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-13 22:00:26,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:27,002 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-13 22:00:27,002 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:27,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-13 22:00:27,920 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-13 22:00:28,089 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-13 22:00:28,263 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-13 22:00:28,458 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-13 22:00:28,838 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-13 22:00:29,040 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-13 22:00:29,289 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-13 22:00:29,485 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-13 22:00:29,933 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-13 22:00:30,679 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-13 22:00:30,914 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-13 22:00:31,026 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-13 22:00:32,176 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-13 22:00:32,621 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-13 22:00:32,820 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-13 22:00:33,701 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-13 22:00:34,191 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-13 22:00:34,545 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-07-13 22:00:34,663 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-13 22:00:34,927 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-13 22:00:35,713 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-13 22:00:36,464 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-13 22:00:37,295 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-13 22:00:38,305 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-13 22:00:38,479 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-13 22:00:39,296 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-13 22:00:39,641 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-13 22:00:40,068 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-13 22:00:40,552 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-13 22:00:41,039 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-13 22:00:41,580 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-13 22:00:42,143 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-13 22:00:42,387 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-13 22:00:42,583 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-13 22:00:42,786 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-13 22:00:43,481 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-13 22:00:44,095 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-13 22:00:44,371 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-13 22:00:45,605 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-13 22:00:46,097 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-13 22:00:47,127 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-13 22:00:47,958 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-13 22:00:49,059 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-13 22:00:50,091 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-13 22:00:51,159 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-13 22:00:52,256 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-13 22:00:52,416 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-13 22:00:52,766 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-13 22:00:53,541 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-13 22:00:53,706 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-13 22:00:53,874 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-13 22:00:54,062 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-13 22:00:54,231 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-13 22:00:54,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:00:54,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:54,551 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:00:54,551 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-13 22:00:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:54,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784643871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:54,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:00:54,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-13 22:00:54,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359589989] [2021-07-13 22:00:54,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 22:00:54,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:00:54,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 22:00:54,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 22:00:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:54,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:00:54,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:54,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:00:55,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:00:55,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:00:55,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:00:55,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:55,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 22:00:55,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 22:00:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-13 22:00:55,438 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:55,438 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:00:55,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:00:55,439 INFO L82 PathProgramCache]: Analyzing trace with hash 151705996, now seen corresponding path program 14 times [2021-07-13 22:00:55,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:00:55,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023257510] [2021-07-13 22:00:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:00:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:00:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:00:55,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:00:55,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023257510] [2021-07-13 22:00:55,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023257510] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:00:55,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409056688] [2021-07-13 22:00:55,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:00:55,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:00:55,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:00:55,693 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-13 22:00:55,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:00:56,474 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-13 22:00:56,475 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:00:56,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-13 22:00:57,698 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-13 22:00:57,865 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-13 22:00:58,069 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-13 22:00:59,334 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-13 22:00:59,518 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-13 22:00:59,757 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-13 22:01:00,281 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-13 22:01:00,819 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-13 22:01:01,459 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-13 22:01:02,233 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-13 22:01:03,120 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-13 22:01:04,044 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-13 22:01:05,069 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-13 22:01:07,332 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-13 22:01:09,063 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-13 22:01:10,103 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-13 22:01:11,661 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-13 22:01:12,467 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-13 22:01:12,791 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-13 22:01:13,664 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-13 22:01:13,772 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-13 22:01:13,907 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-13 22:01:14,897 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-13 22:01:15,083 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-13 22:01:15,268 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-13 22:01:16,064 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-13 22:01:16,376 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-13 22:01:16,773 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-13 22:01:17,856 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-13 22:01:18,017 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-13 22:01:18,523 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-13 22:01:19,025 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-13 22:01:19,178 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-13 22:01:19,382 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-13 22:01:19,541 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-13 22:01:20,161 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-13 22:01:20,437 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-13 22:01:20,557 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-13 22:01:20,714 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-13 22:01:20,870 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-13 22:01:21,478 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-13 22:01:22,130 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-13 22:01:22,306 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-13 22:01:22,524 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-13 22:01:22,846 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-13 22:01:24,140 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-13 22:01:24,295 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-13 22:01:24,762 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-13 22:01:25,810 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-13 22:01:27,249 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-13 22:01:27,413 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-13 22:01:27,611 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-13 22:01:27,765 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-13 22:01:28,589 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-13 22:01:28,751 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-13 22:01:30,012 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-13 22:01:30,245 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-13 22:01:31,307 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-13 22:01:31,498 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-13 22:01:31,976 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-13 22:01:32,595 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-13 22:01:33,344 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-13 22:01:34,727 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-13 22:01:34,882 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-13 22:01:35,113 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-13 22:01:35,389 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-13 22:01:36,085 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-13 22:01:36,587 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-13 22:01:36,831 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-13 22:01:37,381 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-13 22:01:37,753 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-13 22:01:38,109 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-13 22:01:39,084 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-13 22:01:39,248 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-13 22:01:39,875 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-13 22:01:40,614 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-13 22:01:41,872 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-13 22:01:43,969 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-13 22:01:44,974 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-13 22:01:45,139 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-13 22:01:45,760 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-13 22:01:46,457 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-13 22:01:46,822 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-13 22:01:46,975 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-13 22:01:47,756 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-13 22:01:47,938 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-13 22:01:48,798 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-13 22:01:48,989 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-13 22:01:49,405 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-13 22:01:50,457 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-13 22:01:51,041 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-13 22:01:51,512 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-13 22:01:51,759 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-13 22:01:52,309 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-13 22:01:52,766 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-13 22:01:53,197 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-13 22:01:54,029 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-13 22:01:54,373 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-13 22:01:55,211 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-13 22:01:56,212 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-13 22:01:57,769 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-13 22:02:00,165 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-13 22:02:05,172 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-13 22:02:11,963 WARN L205 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-13 22:02:20,361 WARN L205 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-13 22:02:30,067 WARN L205 SmtUtils]: Spent 9.69 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-13 22:02:31,355 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-13 22:02:32,196 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-13 22:02:32,365 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-13 22:02:32,596 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-13 22:02:32,701 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-13 22:02:33,336 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2021-07-13 22:02:33,865 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-13 22:02:34,366 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-13 22:02:35,017 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-13 22:02:35,140 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-13 22:02:35,625 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-13 22:02:36,068 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-13 22:02:36,313 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-13 22:02:36,555 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-13 22:02:37,008 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-13 22:02:37,764 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-13 22:02:38,484 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-13 22:02:38,670 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-13 22:02:39,522 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-13 22:02:39,765 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-13 22:02:40,206 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-13 22:02:41,495 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-13 22:02:43,037 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-13 22:02:43,319 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-13 22:02:43,466 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-13 22:02:43,597 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-13 22:02:43,828 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-13 22:02:44,473 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-13 22:02:44,756 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-13 22:02:45,215 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-13 22:02:45,327 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-13 22:02:45,861 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-13 22:02:46,444 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-13 22:02:46,625 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-13 22:02:47,352 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-13 22:02:47,731 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-13 22:02:48,576 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-13 22:02:49,219 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-13 22:02:49,365 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-13 22:02:49,619 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-13 22:02:50,163 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-13 22:02:50,850 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-13 22:02:51,404 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-13 22:02:51,760 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-13 22:02:53,002 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-13 22:02:54,456 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-13 22:02:57,733 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-13 22:02:57,850 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-13 22:02:58,001 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-13 22:02:58,114 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-13 22:02:58,940 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-13 22:02:59,793 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-13 22:02:59,984 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-13 22:03:00,180 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-13 22:03:00,360 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-13 22:03:00,667 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-13 22:03:01,014 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-13 22:03:01,191 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-13 22:03:01,474 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-13 22:03:01,936 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-13 22:03:02,113 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-13 22:03:02,355 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-13 22:03:02,500 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-13 22:03:03,118 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-13 22:03:03,506 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-13 22:03:03,684 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-13 22:03:03,960 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-13 22:03:04,360 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-13 22:03:04,986 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-13 22:03:05,118 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-13 22:03:06,046 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-13 22:03:06,988 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-13 22:03:07,197 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-13 22:03:07,410 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-13 22:03:07,778 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-13 22:03:08,283 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-13 22:03:09,237 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-13 22:03:09,493 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-13 22:03:09,985 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-13 22:03:11,205 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-13 22:03:16,363 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-13 22:03:22,233 WARN L205 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-13 22:03:29,541 WARN L205 SmtUtils]: Spent 7.29 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-13 22:03:38,206 WARN L205 SmtUtils]: Spent 8.65 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-13 22:03:39,150 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-13 22:03:39,969 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-13 22:03:40,140 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-13 22:03:41,172 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-13 22:03:41,322 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-13 22:03:41,504 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-13 22:03:41,787 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-13 22:03:42,645 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-13 22:03:43,148 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-13 22:03:43,865 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-13 22:03:44,697 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-13 22:03:46,209 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-13 22:03:46,330 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-13 22:03:46,479 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-13 22:03:46,701 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-13 22:03:47,430 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-13 22:03:48,185 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-13 22:03:48,589 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-13 22:03:49,140 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-13 22:03:50,739 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-13 22:03:52,416 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-13 22:03:54,354 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-13 22:04:06,405 WARN L205 SmtUtils]: Spent 12.04 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-13 22:04:29,470 WARN L205 SmtUtils]: Spent 23.04 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-13 22:04:55,561 WARN L205 SmtUtils]: Spent 26.06 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-13 22:04:56,662 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-13 22:04:56,819 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-13 22:04:58,169 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-13 22:04:58,379 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-13 22:04:58,786 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-13 22:04:59,277 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-13 22:05:28,527 WARN L205 SmtUtils]: Spent 29.24 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-13 22:06:02,268 WARN L205 SmtUtils]: Spent 33.70 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-13 22:06:35,811 WARN L205 SmtUtils]: Spent 33.51 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-13 22:07:13,025 WARN L205 SmtUtils]: Spent 37.19 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-13 22:08:08,769 WARN L205 SmtUtils]: Spent 55.71 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-13 22:09:04,614 WARN L205 SmtUtils]: Spent 55.81 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-13 22:10:02,613 WARN L205 SmtUtils]: Spent 57.97 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-13 22:10:10,192 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-13 22:10:23,235 WARN L205 SmtUtils]: Spent 13.03 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-13 22:10:23,492 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-13 22:10:31,872 WARN L205 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-13 22:10:32,389 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-13 22:10:32,765 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-13 22:10:37,529 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-13 22:10:37,644 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-13 22:10:37,756 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-13 22:10:38,785 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-13 22:10:39,226 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-13 22:10:39,527 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-13 22:10:40,634 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-13 22:10:41,205 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-13 22:10:41,560 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-13 22:10:42,634 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-13 22:10:42,902 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-13 22:10:43,269 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-13 22:10:43,752 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-13 22:10:44,837 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-13 22:10:45,054 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-13 22:10:46,297 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-13 22:10:46,464 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-13 22:10:46,988 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-13 22:10:47,358 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-13 22:10:47,464 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-13 22:10:49,198 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-13 22:10:49,641 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-13 22:10:49,910 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-13 22:10:50,284 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-13 22:10:51,156 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-13 22:10:53,321 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-13 22:10:55,916 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-13 22:10:59,025 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-13 22:11:04,372 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-13 22:11:04,756 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-13 22:11:04,958 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-13 22:11:05,518 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 216 [2021-07-13 22:11:06,283 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-13 22:11:06,520 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-13 22:11:06,874 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-13 22:11:12,668 WARN L205 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-13 22:11:13,253 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-13 22:11:13,965 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-13 22:11:14,118 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-13 22:11:14,336 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-13 22:11:14,441 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-13 22:11:15,160 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-13 22:11:15,307 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-13 22:11:16,074 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-13 22:11:16,268 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-13 22:11:16,639 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-13 22:11:17,267 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-13 22:11:18,078 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-13 22:11:25,506 WARN L205 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-13 22:11:34,160 WARN L205 SmtUtils]: Spent 8.64 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-13 22:11:51,441 WARN L205 SmtUtils]: Spent 17.24 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-13 22:12:17,037 WARN L205 SmtUtils]: Spent 25.56 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-13 22:13:28,063 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-13 22:13:45,842 WARN L205 SmtUtils]: Spent 17.76 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-13 22:13:46,262 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-13 22:13:46,494 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-13 22:13:46,600 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-13 22:13:47,622 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-13 22:13:47,873 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-13 22:13:48,017 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-13 22:13:48,840 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-13 22:13:49,059 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-13 22:13:49,343 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-13 22:13:50,145 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-13 22:13:50,828 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-13 22:14:07,889 WARN L205 SmtUtils]: Spent 17.05 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-13 22:14:15,065 WARN L205 SmtUtils]: Spent 7.16 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-07-13 22:14:19,798 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-13 22:14:20,083 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-07-13 22:14:20,334 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-07-13 22:14:20,572 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-07-13 22:14:20,690 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-13 22:14:21,723 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-07-13 22:14:21,956 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-07-13 22:14:22,208 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-07-13 22:14:22,335 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-13 22:14:23,059 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-07-13 22:14:23,321 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-07-13 22:14:23,535 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-07-13 22:14:24,056 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-07-13 22:14:24,729 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-07-13 22:14:25,546 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-07-13 22:14:25,795 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-13 22:14:26,022 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-13 22:14:26,368 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 880 [2021-07-13 22:14:27,322 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-07-13 22:14:27,503 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-07-13 22:14:27,747 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-07-13 22:14:29,081 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-07-13 22:14:29,263 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-07-13 22:14:29,545 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-07-13 22:14:30,123 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-07-13 22:14:30,854 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-07-13 22:14:31,813 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-07-13 22:14:33,750 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-07-13 22:14:34,063 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-07-13 22:14:34,430 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-07-13 22:14:34,571 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-07-13 22:14:35,128 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-07-13 22:14:35,769 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-13 22:14:36,442 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-07-13 22:14:36,644 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-07-13 22:14:36,889 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-07-13 22:14:37,207 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-07-13 22:14:37,652 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-07-13 22:14:37,794 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-07-13 22:14:38,173 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-13 22:14:38,400 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 420 [2021-07-13 22:14:39,354 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-07-13 22:14:39,566 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-07-13 22:14:39,797 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-07-13 22:14:40,101 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-07-13 22:14:40,527 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-07-13 22:14:41,489 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 Received shutdown request... [2021-07-13 22:14:42,669 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 [2021-07-13 22:14:46,235 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown