/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 21:11:09,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 21:11:09,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 21:11:09,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-03 21:11:09,738 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-DelaySleepPersistent-NoLbe.epf [2021-05-03 21:11:09,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 21:11:09,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 21:11:09,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 21:11:09,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 21:11:09,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 21:11:09,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 21:11:09,771 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 21:11:09,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 21:11:09,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 21:11:09,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 21:11:09,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 21:11:09,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 21:11:09,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 21:11:09,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 21:11:09,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 21:11:09,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 21:11:09,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 21:11:09,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 21:11:09,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 21:11:09,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 21:11:09,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 21:11:09,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 21:11:09,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 21:11:09,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 21:11:09,774 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-05-03 21:11:09,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 21:11:09,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 21:11:10,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 21:11:10,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 21:11:10,004 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 21:11:10,005 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 21:11:10,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-05-03 21:11:10,007 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-05-03 21:11:10,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 21:11:10,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 21:11:10,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 21:11:10,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 21:11:10,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 21:11:10,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 21:11:10,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 21:11:10,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 21:11:10,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 21:11:10,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/1) ... [2021-05-03 21:11:10,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 21:11:10,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 21:11:10,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 21:11:10,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 21:11:10,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (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 [2021-05-03 21:11:10,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 21:11:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 21:11:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 21:11:10,135 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 21:11:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 21:11:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 21:11:10,135 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 21:11:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 21:11:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 21:11:10,137 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 21:11:10,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 21:11:10,389 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-03 21:11:10,389 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-05-03 21:11:10,389 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-05-03 21:11:10,390 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 09:11:10 BoogieIcfgContainer [2021-05-03 21:11:10,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 21:11:10,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 21:11:10,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 21:11:10,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 21:11:10,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 09:11:10" (1/2) ... [2021-05-03 21:11:10,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7d4eb3 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 09:11:10, skipping insertion in model container [2021-05-03 21:11:10,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 09:11:10" (2/2) ... [2021-05-03 21:11:10,395 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-05-03 21:11:10,399 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 21:11:10,399 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 21:11:10,414 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 21:11:10,415 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 21:11:10,458 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-03 21:11:10,477 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-05-03 21:11:10,543 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 21:11:10,543 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 21:11:10,543 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 21:11:10,544 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 21:11:10,545 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 21:11:10,545 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 21:11:10,545 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 21:11:10,545 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 21:11:10,653 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:10,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:10,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1694861722, now seen corresponding path program 1 times [2021-05-03 21:11:10,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:10,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579293331] [2021-05-03 21:11:10,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:10,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579293331] [2021-05-03 21:11:10,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 21:11:10,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-03 21:11:10,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539381419] [2021-05-03 21:11:10,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 21:11:10,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:10,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 21:11:10,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 21:11:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:10,760 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:10,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:11:10,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:10,772 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 21:11:10,772 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:10,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:10,775 INFO L82 PathProgramCache]: Analyzing trace with hash 658584646, now seen corresponding path program 1 times [2021-05-03 21:11:10,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:10,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604268050] [2021-05-03 21:11:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:10,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604268050] [2021-05-03 21:11:10,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984267498] [2021-05-03 21:11:10,806 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 [2021-05-03 21:11:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:10,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-05-03 21:11:10,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:10,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:10,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-05-03 21:11:10,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886754438] [2021-05-03 21:11:10,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 21:11:10,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:10,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 21:11:10,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-03 21:11:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:10,901 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:10,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:11:10,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:10,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:11,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:11,149 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:11,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:11,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1035640753, now seen corresponding path program 1 times [2021-05-03 21:11:11,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:11,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768791995] [2021-05-03 21:11:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 21:11:11,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768791995] [2021-05-03 21:11:11,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145460252] [2021-05-03 21:11:11,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:11,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-03 21:11:11,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 21:11:11,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:11,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-05-03 21:11:11,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574552191] [2021-05-03 21:11:11,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 21:11:11,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:11,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 21:11:11,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-03 21:11:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:11,263 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:11,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:11:11,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:11,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:11,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:11,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:11,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:11,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:11,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:11,481 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:11,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:11,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1473521199, now seen corresponding path program 2 times [2021-05-03 21:11:11,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:11,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443405648] [2021-05-03 21:11:11,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:11,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443405648] [2021-05-03 21:11:11,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046847513] [2021-05-03 21:11:11,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:11,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 21:11:11,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:11,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-05-03 21:11:11,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:11,641 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:11,641 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 [2021-05-03 21:11:11,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:11,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:11,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:11,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-05-03 21:11:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:11,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:11,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-05-03 21:11:11,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088019740] [2021-05-03 21:11:11,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-03 21:11:11,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:11,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-03 21:11:11,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-05-03 21:11:11,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:11,669 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:11,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 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) [2021-05-03 21:11:11,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:11,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:11,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:11,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:11,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:11,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:11,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:11,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:11,911 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:11,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:11,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1948130383, now seen corresponding path program 3 times [2021-05-03 21:11:11,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:11,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575067862] [2021-05-03 21:11:11,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:11,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575067862] [2021-05-03 21:11:11,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571666271] [2021-05-03 21:11:11,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:12,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-03 21:11:12,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:12,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-05-03 21:11:12,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:12,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:12,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-05-03 21:11:12,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826749578] [2021-05-03 21:11:12,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-03 21:11:12,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:12,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-03 21:11:12,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-05-03 21:11:12,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:12,069 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:12,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 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) [2021-05-03 21:11:12,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:12,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:12,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:12,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:12,337 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:12,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:12,337 INFO L82 PathProgramCache]: Analyzing trace with hash 285571430, now seen corresponding path program 4 times [2021-05-03 21:11:12,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:12,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376657854] [2021-05-03 21:11:12,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 21:11:12,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376657854] [2021-05-03 21:11:12,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899815972] [2021-05-03 21:11:12,377 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:12,410 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 21:11:12,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:12,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-03 21:11:12,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 21:11:12,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:12,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-05-03 21:11:12,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666356058] [2021-05-03 21:11:12,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-03 21:11:12,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:12,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-03 21:11:12,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-05-03 21:11:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:12,455 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:12,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:11:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:12,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:12,721 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:12,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:12,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1118463878, now seen corresponding path program 5 times [2021-05-03 21:11:12,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:12,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802581290] [2021-05-03 21:11:12,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:12,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802581290] [2021-05-03 21:11:12,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694537378] [2021-05-03 21:11:12,758 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:12,779 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-05-03 21:11:12,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:12,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-03 21:11:12,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:12,921 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:12,922 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 [2021-05-03 21:11:12,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:12,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:12,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:12,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-05-03 21:11:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:12,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:12,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-05-03 21:11:12,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618215088] [2021-05-03 21:11:12,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-03 21:11:12,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:12,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-03 21:11:12,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-05-03 21:11:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:12,989 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:12,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 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) [2021-05-03 21:11:12,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:12,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:12,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:12,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:12,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:12,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:13,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:13,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:13,228 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:13,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:13,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1580915834, now seen corresponding path program 6 times [2021-05-03 21:11:13,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:13,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209066529] [2021-05-03 21:11:13,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:13,290 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:13,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209066529] [2021-05-03 21:11:13,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522726485] [2021-05-03 21:11:13,291 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:13,316 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-05-03 21:11:13,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:13,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-05-03 21:11:13,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:13,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:13,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-05-03 21:11:13,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448938075] [2021-05-03 21:11:13,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 21:11:13,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:13,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 21:11:13,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-05-03 21:11:13,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:13,392 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:13,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 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) [2021-05-03 21:11:13,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:13,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:13,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:13,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:13,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:13,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:13,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:13,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:13,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:13,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:13,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:13,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:13,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:13,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:13,713 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:13,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:13,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1740678897, now seen corresponding path program 7 times [2021-05-03 21:11:13,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:13,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967971483] [2021-05-03 21:11:13,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:13,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967971483] [2021-05-03 21:11:13,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409124214] [2021-05-03 21:11:13,783 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:13,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-03 21:11:13,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:14,035 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:14,036 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 [2021-05-03 21:11:14,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:14,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:14,272 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:14,272 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-05-03 21:11:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:14,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:14,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-05-03 21:11:14,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957605455] [2021-05-03 21:11:14,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-03 21:11:14,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:14,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-03 21:11:14,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-05-03 21:11:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:14,279 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:14,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:11:14,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:14,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:14,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:14,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:14,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:14,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:14,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:14,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:14,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:14,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:14,541 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:14,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:14,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1937782575, now seen corresponding path program 8 times [2021-05-03 21:11:14,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:14,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987318665] [2021-05-03 21:11:14,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:14,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987318665] [2021-05-03 21:11:14,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882803055] [2021-05-03 21:11:14,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-05-03 21:11:14,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 21:11:14,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:14,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-05-03 21:11:14,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:14,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:14,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-05-03 21:11:14,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875287522] [2021-05-03 21:11:14,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-03 21:11:14,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:14,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-03 21:11:14,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-05-03 21:11:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:14,722 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:14,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:11:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:14,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:14,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:14,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:14,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:14,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:14,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:14,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:14,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:14,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:11:15,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:15,065 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:15,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:15,065 INFO L82 PathProgramCache]: Analyzing trace with hash -35210618, now seen corresponding path program 9 times [2021-05-03 21:11:15,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:15,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285312969] [2021-05-03 21:11:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-05-03 21:11:15,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285312969] [2021-05-03 21:11:15,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919432790] [2021-05-03 21:11:15,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:15,148 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-03 21:11:15,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:15,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-03 21:11:15,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:15,214 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-05-03 21:11:15,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:15,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-05-03 21:11:15,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619449262] [2021-05-03 21:11:15,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-03 21:11:15,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:15,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-03 21:11:15,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-05-03 21:11:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:15,216 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:15,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 13 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) [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:15,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:11:15,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:11:15,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:15,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-05-03 21:11:15,525 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:15,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:15,525 INFO L82 PathProgramCache]: Analyzing trace with hash 208179366, now seen corresponding path program 10 times [2021-05-03 21:11:15,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:15,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823265039] [2021-05-03 21:11:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:15,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823265039] [2021-05-03 21:11:15,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135943492] [2021-05-03 21:11:15,600 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:15,624 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 21:11:15,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:15,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-03 21:11:15,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:15,923 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-03 21:11:15,923 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:15,924 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 [2021-05-03 21:11:16,766 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:11:16,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:16,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:11:16,767 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-05-03 21:11:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:16,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:16,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-05-03 21:11:16,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060044330] [2021-05-03 21:11:16,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-03 21:11:16,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:16,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-03 21:11:16,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-05-03 21:11:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:16,774 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:16,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:16,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:17,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:17,073 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:17,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:17,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1132874918, now seen corresponding path program 11 times [2021-05-03 21:11:17,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:17,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723422853] [2021-05-03 21:11:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:17,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723422853] [2021-05-03 21:11:17,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555477713] [2021-05-03 21:11:17,180 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:17,203 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-03 21:11:17,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:17,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-03 21:11:17,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 21:11:17,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:11:17,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-05-03 21:11:17,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791414254] [2021-05-03 21:11:17,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-03 21:11:17,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:11:17,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-03 21:11:17,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-05-03 21:11:17,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:17,307 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:11:17,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 22 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) [2021-05-03 21:11:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:11:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:11:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:11:17,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable321 [2021-05-03 21:11:17,713 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:11:17,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:11:17,713 INFO L82 PathProgramCache]: Analyzing trace with hash 782455791, now seen corresponding path program 12 times [2021-05-03 21:11:17,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:11:17,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73762336] [2021-05-03 21:11:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:11:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:11:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:11:17,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73762336] [2021-05-03 21:11:17,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010920774] [2021-05-03 21:11:17,803 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:11:17,828 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-05-03 21:11:17,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:11:17,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-05-03 21:11:17,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:11:18,297 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-05-03 21:11:18,297 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:11:18,298 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 [2021-05-03 21:11:20,246 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1836 DAG size of output: 1525 [2021-05-03 21:11:20,451 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1855 DAG size of output: 1543 [2021-05-03 21:11:20,559 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1870 DAG size of output: 1558 [2021-05-03 21:11:20,781 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1560 DAG size of output: 1748 [2021-05-03 21:11:20,942 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1509 DAG size of output: 2212 [2021-05-03 21:11:21,102 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1656 [2021-05-03 21:11:21,237 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 1548 [2021-05-03 21:11:23,254 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1958 DAG size of output: 1502 [2021-05-03 21:11:23,394 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 2016 DAG size of output: 1541 [2021-05-03 21:11:23,667 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 2406 DAG size of output: 1838 [2021-05-03 21:11:23,889 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1015 DAG size of output: 1328 [2021-05-03 21:11:24,003 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 1185 [2021-05-03 21:11:24,755 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 1078 [2021-05-03 21:11:26,082 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 2146 DAG size of output: 1351 [2021-05-03 21:11:26,238 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 2149 DAG size of output: 1354 [2021-05-03 21:11:26,575 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 3944 DAG size of output: 2586 [2021-05-03 21:11:26,750 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 1664 [2021-05-03 21:11:26,976 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1412 [2021-05-03 21:11:27,854 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 998 [2021-05-03 21:11:30,269 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1523 DAG size of output: 1052 [2021-05-03 21:11:31,017 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 2107 DAG size of output: 1364 [2021-05-03 21:11:31,205 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 2165 DAG size of output: 1401 [2021-05-03 21:11:31,463 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 3524 DAG size of output: 1878 [2021-05-03 21:11:32,034 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 6183 DAG size of output: 3435 [2021-05-03 21:11:32,703 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 6957 DAG size of output: 4216 [2021-05-03 21:11:32,933 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1559 DAG size of output: 2270 [2021-05-03 21:11:33,053 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1441 DAG size of output: 1440 [2021-05-03 21:11:33,243 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1421 DAG size of output: 1895 [2021-05-03 21:11:33,398 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1568 [2021-05-03 21:11:35,641 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1056 [2021-05-03 21:11:35,797 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 2098 DAG size of output: 1444 [2021-05-03 21:11:36,900 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 3049 DAG size of output: 1966 [2021-05-03 21:11:37,053 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1285 DAG size of output: 1666 [2021-05-03 21:11:38,948 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1365 [2021-05-03 21:11:41,120 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1207 [2021-05-03 21:11:41,309 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 2682 DAG size of output: 1564 [2021-05-03 21:11:41,605 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 3806 DAG size of output: 2051 [2021-05-03 21:11:42,115 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 5663 DAG size of output: 3359 [2021-05-03 21:11:42,724 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 3847 [2021-05-03 21:11:43,485 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 6267 DAG size of output: 3922 [2021-05-03 21:11:44,232 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 7078 DAG size of output: 4711 [2021-05-03 21:11:45,610 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 11673 DAG size of output: 7084 [2021-05-03 21:11:47,001 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 11673 DAG size of output: 7084 [2021-05-03 21:11:48,432 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 11680 DAG size of output: 7091 [2021-05-03 21:11:49,473 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 7092 DAG size of output: 6717 [2021-05-03 21:11:49,919 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 3630 DAG size of output: 3300 [2021-05-03 21:11:50,320 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 3202 DAG size of output: 3201 [2021-05-03 21:11:50,769 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 3173 DAG size of output: 3173 [2021-05-03 21:11:50,951 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 1753 [2021-05-03 21:11:51,067 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1401 DAG size of output: 1382 [2021-05-03 21:11:51,175 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 1111 [2021-05-03 21:11:53,223 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 2082 DAG size of output: 1154 [2021-05-03 21:11:53,394 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1815 DAG size of output: 1815 [2021-05-03 21:11:54,235 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 1294 [2021-05-03 21:11:56,584 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 933 [2021-05-03 21:11:56,720 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 2365 DAG size of output: 1222 [2021-05-03 21:11:58,279 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 4524 DAG size of output: 2328 [2021-05-03 21:11:58,598 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 4626 DAG size of output: 2370 [2021-05-03 21:11:59,177 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 4810 DAG size of output: 2432 [2021-05-03 21:11:59,463 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 1256 [2021-05-03 21:12:03,935 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1500 DAG size of output: 1039 [2021-05-03 21:12:04,099 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1286 [2021-05-03 21:12:04,384 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 2991 DAG size of output: 1945 [2021-05-03 21:12:04,700 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 2994 DAG size of output: 1948 [2021-05-03 21:12:04,990 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 3115 DAG size of output: 1633 [2021-05-03 21:12:05,647 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 8178 DAG size of output: 3853 [2021-05-03 21:12:06,317 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 8178 DAG size of output: 3853 [2021-05-03 21:12:07,004 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 8182 DAG size of output: 3851 [2021-05-03 21:12:07,363 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 3848 DAG size of output: 3636 [2021-05-03 21:12:07,723 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 3637 DAG size of output: 3509 [2021-05-03 21:12:07,978 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 2118 DAG size of output: 2306 [2021-05-03 21:12:08,275 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 2102 DAG size of output: 2175 [2021-05-03 21:12:09,000 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1285 DAG size of output: 1274 [2021-05-03 21:12:09,923 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 3625 DAG size of output: 1050 [2021-05-03 21:12:10,095 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 3625 DAG size of output: 1050 [2021-05-03 21:12:10,363 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1196 [2021-05-03 21:12:10,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:12:10,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:12:10,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:12:10,678 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-05-03 21:12:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:10,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:12:10,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-05-03 21:12:10,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856268994] [2021-05-03 21:12:10,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-03 21:12:10,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:12:10,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-03 21:12:10,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-05-03 21:12:10,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:10,684 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:12:10,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 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) [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:12:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:12:10,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:10,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable322,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:12:10,987 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:12:10,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:12:10,987 INFO L82 PathProgramCache]: Analyzing trace with hash 467408879, now seen corresponding path program 13 times [2021-05-03 21:12:10,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:12:10,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413723223] [2021-05-03 21:12:10,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:12:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:12:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:11,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413723223] [2021-05-03 21:12:11,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91572632] [2021-05-03 21:12:11,135 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:12:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:12:11,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-03 21:12:11,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:12:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:11,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:12:11,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-05-03 21:12:11,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537026242] [2021-05-03 21:12:11,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-03 21:12:11,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:12:11,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-03 21:12:11,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-05-03 21:12:11,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:11,219 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:12:11,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:12:11,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:12:11,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:11,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:11,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:11,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:11,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:12:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:11,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 21:12:11,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8172 [2021-05-03 21:12:11,649 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:12:11,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:12:11,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1627845062, now seen corresponding path program 14 times [2021-05-03 21:12:11,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:12:11,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579649642] [2021-05-03 21:12:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:12:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:12:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:11,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579649642] [2021-05-03 21:12:11,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267966676] [2021-05-03 21:12:11,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:12:11,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 21:12:11,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:12:11,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-05-03 21:12:11,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:12:12,414 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-05-03 21:12:12,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:12:12,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-05-03 21:12:15,651 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 2240 DAG size of output: 1025 [2021-05-03 21:12:15,761 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 2240 DAG size of output: 1025 [2021-05-03 21:12:15,884 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1044 [2021-05-03 21:12:18,255 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 986 DAG size of output: 704 [2021-05-03 21:12:18,389 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 917 [2021-05-03 21:12:18,562 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1678 DAG size of output: 1207 [2021-05-03 21:12:18,736 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1678 DAG size of output: 1207 [2021-05-03 21:12:18,912 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1686 DAG size of output: 873 [2021-05-03 21:12:19,030 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 828 [2021-05-03 21:12:21,327 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1453 DAG size of output: 882 [2021-05-03 21:12:22,321 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1842 DAG size of output: 1144 [2021-05-03 21:12:22,551 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1842 DAG size of output: 1144 [2021-05-03 21:12:22,780 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1846 DAG size of output: 1137 [2021-05-03 21:12:23,027 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1139 DAG size of output: 1346 [2021-05-03 21:12:23,276 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1478 [2021-05-03 21:12:23,464 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1009 DAG size of output: 1178 [2021-05-03 21:12:23,636 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 1055 [2021-05-03 21:12:23,762 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 630 DAG size of output: 846 [2021-05-03 21:12:23,876 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 771 [2021-05-03 21:12:25,471 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 877 [2021-05-03 21:12:26,880 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 950 [2021-05-03 21:12:27,076 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 2331 DAG size of output: 1284 [2021-05-03 21:12:27,343 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1710 [2021-05-03 21:12:30,685 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 2010 DAG size of output: 1398 [2021-05-03 21:12:31,125 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 4523 DAG size of output: 2412 [2021-05-03 21:12:31,252 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 903 [2021-05-03 21:12:31,368 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 776 [2021-05-03 21:12:33,364 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1590 DAG size of output: 1101 [2021-05-03 21:12:33,560 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1975 DAG size of output: 1411 [2021-05-03 21:12:35,406 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 930 [2021-05-03 21:12:35,731 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 3101 DAG size of output: 2062 [2021-05-03 21:12:36,503 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 6905 DAG size of output: 3711 [2021-05-03 21:12:37,385 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 7310 DAG size of output: 3966 [2021-05-03 21:12:38,253 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 7310 DAG size of output: 3966 [2021-05-03 21:12:39,170 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 7315 DAG size of output: 3976 [2021-05-03 21:12:39,707 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 3972 DAG size of output: 3615 [2021-05-03 21:12:40,433 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 4200 [2021-05-03 21:12:40,734 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 2034 DAG size of output: 1299 [2021-05-03 21:12:42,759 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 2653 DAG size of output: 1733 [2021-05-03 21:12:44,053 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 1033 [2021-05-03 21:12:44,283 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 2870 DAG size of output: 1507 [2021-05-03 21:12:44,520 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 2870 DAG size of output: 1507 [2021-05-03 21:12:44,782 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 2874 DAG size of output: 1511 [2021-05-03 21:12:45,809 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1181 [2021-05-03 21:12:45,936 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1181 [2021-05-03 21:12:46,061 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1183 [2021-05-03 21:12:46,177 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 1132 [2021-05-03 21:12:47,408 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 21:12:47,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:12:47,410 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 21:12:47,410 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-05-03 21:12:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:47,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:12:47,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-05-03 21:12:47,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742444466] [2021-05-03 21:12:47,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-03 21:12:47,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:12:47,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-03 21:12:47,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-05-03 21:12:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:47,415 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:12:47,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 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) [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-03 21:12:47,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:47,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 21:12:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 21:12:47,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8173,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:12:47,730 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:12:47,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:12:47,730 INFO L82 PathProgramCache]: Analyzing trace with hash 568831430, now seen corresponding path program 15 times [2021-05-03 21:12:47,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:12:47,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133702217] [2021-05-03 21:12:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:12:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:12:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:47,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133702217] [2021-05-03 21:12:47,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140000901] [2021-05-03 21:12:47,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:12:47,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-05-03 21:12:47,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:12:47,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-05-03 21:12:47,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:12:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:47,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 21:12:47,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-05-03 21:12:47,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594977426] [2021-05-03 21:12:47,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-03 21:12:47,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 21:12:47,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-03 21:12:47,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-05-03 21:12:47,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:47,994 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 21:12:47,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 21:12:47,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 21:12:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 21:12:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 21:12:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 21:12:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 21:12:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 21:12:48,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14281 [2021-05-03 21:12:48,481 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 21:12:48,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 21:12:48,481 INFO L82 PathProgramCache]: Analyzing trace with hash 476976847, now seen corresponding path program 16 times [2021-05-03 21:12:48,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 21:12:48,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190209178] [2021-05-03 21:12:48,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 21:12:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 21:12:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 21:12:48,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190209178] [2021-05-03 21:12:48,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613469333] [2021-05-03 21:12:48,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 21:12:48,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 21:12:48,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 21:12:48,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-05-03 21:12:48,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 21:12:49,585 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-05-03 21:12:49,585 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 21:12:49,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-05-03 21:12:52,680 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 2800 DAG size of output: 2384 [2021-05-03 21:12:52,858 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 2845 DAG size of output: 2429 [2021-05-03 21:12:53,074 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 2876 DAG size of output: 2460 [2021-05-03 21:12:55,968 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 2822 DAG size of output: 2385 [2021-05-03 21:12:56,164 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 2865 DAG size of output: 2428 [2021-05-03 21:12:56,351 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 2893 DAG size of output: 2456 [2021-05-03 21:12:56,548 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 2938 DAG size of output: 2500 [2021-05-03 21:12:56,965 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 5581 DAG size of output: 4717 [2021-05-03 21:12:58,869 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 2071 DAG size of output: 1774 [2021-05-03 21:13:01,175 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 2468 DAG size of output: 2171 [2021-05-03 21:13:01,437 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 4371 DAG size of output: 3779 [2021-05-03 21:13:01,741 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 4414 DAG size of output: 3822 [2021-05-03 21:13:02,051 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 4441 DAG size of output: 3849 [2021-05-03 21:13:02,380 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 4486 DAG size of output: 3893 [2021-05-03 21:13:04,391 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 2057 DAG size of output: 1771 [2021-05-03 21:13:06,858 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 2456 DAG size of output: 2169 [2021-05-03 21:13:07,127 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 4351 DAG size of output: 3776 [2021-05-03 21:13:07,440 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 4396 DAG size of output: 3821 [2021-05-03 21:13:07,758 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 4426 DAG size of output: 3851 [2021-05-03 21:13:08,428 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 8666 DAG size of output: 7491 [2021-05-03 21:13:09,525 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 13970 DAG size of output: 11690 [2021-05-03 21:13:10,665 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 13970 DAG size of output: 11690 [2021-05-03 21:13:11,921 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 13993 DAG size of output: 11713 [2021-05-03 21:13:14,055 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 11715 DAG size of output: 17196 [2021-05-03 21:13:15,796 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 9409 DAG size of output: 12814 [2021-05-03 21:13:17,505 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 8834 DAG size of output: 10055 [2021-05-03 21:13:18,811 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 8604 DAG size of output: 10563 [2021-05-03 21:13:20,457 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 7726 DAG size of output: 10940 [2021-05-03 21:13:21,980 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 7369 DAG size of output: 8370 [2021-05-03 21:13:22,701 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 7161 DAG size of output: 7149 [2021-05-03 21:13:23,144 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 4360 [2021-05-03 21:13:23,533 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 2287 DAG size of output: 3087 [2021-05-03 21:13:23,832 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2036 DAG size of output: 2327 [2021-05-03 21:13:23,981 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1409 [2021-05-03 21:13:26,417 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 908 DAG size of output: 843 [2021-05-03 21:13:26,550 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 920 [2021-05-03 21:13:26,699 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1205 DAG size of output: 1035 [2021-05-03 21:13:26,913 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 1431 DAG size of output: 1283 [2021-05-03 21:13:28,692 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 802 [2021-05-03 21:13:28,999 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 2060 DAG size of output: 1812 [2021-05-03 21:13:29,356 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2126 [2021-05-03 21:13:29,932 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 2239 [2021-05-03 21:13:33,319 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1115 DAG size of output: 1002 [2021-05-03 21:13:36,893 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1259 DAG size of output: 1013 [2021-05-03 21:13:39,899 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 1072 [2021-05-03 21:13:40,253 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 2253 DAG size of output: 1889 [2021-05-03 21:13:43,805 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 836 [2021-05-03 21:13:44,006 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1108 [2021-05-03 21:13:44,764 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 3915 DAG size of output: 3356 [2021-05-03 21:13:45,549 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 4385 DAG size of output: 3472 [2021-05-03 21:13:46,672 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 4685 DAG size of output: 3597 [2021-05-03 21:13:47,608 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 4754 DAG size of output: 3696 [2021-05-03 21:13:49,004 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 7097 DAG size of output: 5662 [2021-05-03 21:13:50,599 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 8320 DAG size of output: 6666 [2021-05-03 21:13:50,808 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 2177 DAG size of output: 2171 [2021-05-03 21:13:50,974 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 2142 [2021-05-03 21:13:51,145 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 2096 DAG size of output: 2096 [2021-05-03 21:13:54,834 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1763 DAG size of output: 1355 [2021-05-03 21:13:58,198 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 754 [2021-05-03 21:13:58,537 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 3263 DAG size of output: 2252 [2021-05-03 21:14:01,645 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 955 [2021-05-03 21:14:01,819 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1665 DAG size of output: 1257 [2021-05-03 21:14:05,309 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 2895 DAG size of output: 2288 [2021-05-03 21:14:05,716 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 3160 DAG size of output: 2532 [2021-05-03 21:14:06,168 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 3338 DAG size of output: 2772 [2021-05-03 21:14:07,019 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 5178 DAG size of output: 4076 [2021-05-03 21:14:07,953 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 5662 DAG size of output: 4390 [2021-05-03 21:14:09,578 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 719 [2021-05-03 21:14:11,637 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 1269 DAG size of output: 1265 [2021-05-03 21:14:12,874 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 6750 DAG size of output: 5501 [2021-05-03 21:14:14,258 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 7753 DAG size of output: 6351 [2021-05-03 21:14:16,441 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 8468 DAG size of output: 6773 [2021-05-03 21:14:18,370 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 8593 DAG size of output: 6886 [2021-05-03 21:14:21,529 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 15166 DAG size of output: 11862 [2021-05-03 21:14:21,973 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 2315 DAG size of output: 3120 [2021-05-03 21:14:22,163 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 2201 [2021-05-03 21:14:23,071 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 2159 DAG size of output: 2878 [2021-05-03 21:14:25,246 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1015 DAG size of output: 999 [2021-05-03 21:14:27,173 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 924 [2021-05-03 21:14:27,471 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 1878 DAG size of output: 1663 [2021-05-03 21:14:27,809 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 2167 DAG size of output: 1963 [2021-05-03 21:14:28,206 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2323 [2021-05-03 21:14:29,009 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 3043 DAG size of output: 2651 [2021-05-03 21:14:29,666 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 3121 DAG size of output: 2768 [2021-05-03 21:14:29,852 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 2155 DAG size of output: 2155 [2021-05-03 21:14:30,018 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 2129 [2021-05-03 21:14:30,466 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 2085 [2021-05-03 21:14:35,131 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1475 DAG size of output: 1148 [2021-05-03 21:14:35,288 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1612 DAG size of output: 1238 [2021-05-03 21:14:37,336 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 2839 DAG size of output: 2074 [2021-05-03 21:14:40,494 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 749 [2021-05-03 21:14:40,683 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1391 DAG size of output: 1326 [2021-05-03 21:14:42,491 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 810 [2021-05-03 21:14:44,408 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 2809 DAG size of output: 2505 [2021-05-03 21:14:45,181 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 4609 DAG size of output: 3926 [2021-05-03 21:14:46,054 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 5463 DAG size of output: 4640 [2021-05-03 21:14:47,018 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 6523 DAG size of output: 5011 [2021-05-03 21:14:48,058 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 6847 DAG size of output: 5123 [2021-05-03 21:14:49,275 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 6924 DAG size of output: 5187 [2021-05-03 21:14:50,896 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 9765 DAG size of output: 7677 [2021-05-03 21:14:52,661 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 10131 DAG size of output: 8005 [2021-05-03 21:14:52,997 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2066 DAG size of output: 2420 [2021-05-03 21:14:54,922 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 892 DAG size of output: 775 [2021-05-03 21:14:56,934 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1164 DAG size of output: 981 [2021-05-03 21:14:57,136 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1443 [2021-05-03 21:15:00,726 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 666 [2021-05-03 21:15:00,830 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 751 [2021-05-03 21:15:01,345 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1125 DAG size of output: 971 [2021-05-03 21:15:01,594 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1372 [2021-05-03 21:15:04,621 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 998 [2021-05-03 21:15:06,305 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 769 [2021-05-03 21:15:08,063 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1375 DAG size of output: 1113 [2021-05-03 21:15:08,408 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 2338 DAG size of output: 1922 [2021-05-03 21:15:10,373 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 985 DAG size of output: 932 [2021-05-03 21:15:10,871 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 3190 DAG size of output: 2698 [2021-05-03 21:15:11,879 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 5423 DAG size of output: 4600 [2021-05-03 21:15:12,956 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 5923 DAG size of output: 4861 [2021-05-03 21:15:14,775 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 6603 DAG size of output: 5271 [2021-05-03 21:15:16,332 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 6714 DAG size of output: 5466 [2021-05-03 21:15:18,308 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 7102 DAG size of output: 5784 [2021-05-03 21:15:19,959 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 8875 DAG size of output: 7309 [2021-05-03 21:15:23,279 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 17203 DAG size of output: 13500 [2021-05-03 21:15:29,773 WARN L205 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 29237 DAG size of output: 21064 [2021-05-03 21:15:30,117 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 3004 DAG size of output: 3004 [2021-05-03 21:15:30,347 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1972 [2021-05-03 21:15:30,523 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1572 DAG size of output: 1836 [2021-05-03 21:15:32,119 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 582 [2021-05-03 21:15:37,264 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 1144 [2021-05-03 21:15:37,681 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 2385 DAG size of output: 2030 [2021-05-03 21:15:38,107 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 2768 DAG size of output: 2346 [2021-05-03 21:15:38,571 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 2969 DAG size of output: 2498 [2021-05-03 21:15:39,166 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 3670 DAG size of output: 3195 [2021-05-03 21:15:39,288 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-05-03 21:15:42,934 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1249 [2021-05-03 21:15:43,163 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1530 DAG size of output: 1571 [2021-05-03 21:15:43,445 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 2164 DAG size of output: 1898 [2021-05-03 21:15:43,750 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 2349 DAG size of output: 2058 [2021-05-03 21:15:44,587 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 4996 DAG size of output: 4452 [2021-05-03 21:15:44,723 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 1611 DAG size of output: 1611 [2021-05-03 21:15:45,329 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 1969 [2021-05-03 21:15:45,593 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1479 [2021-05-03 21:15:47,766 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 672 [2021-05-03 21:15:49,408 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 843 DAG size of output: 870 [2021-05-03 21:15:49,532 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-05-03 21:15:49,727 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1278 [2021-05-03 21:15:50,001 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 2058 DAG size of output: 1632 [2021-05-03 21:15:50,408 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 2921 DAG size of output: 2567 [2021-05-03 21:15:50,980 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2733 [2021-05-03 21:15:54,206 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1364 DAG size of output: 1280 [2021-05-03 21:15:55,876 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 887 [2021-05-03 21:15:57,602 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 808 [2021-05-03 21:15:57,983 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 2602 DAG size of output: 2452 [2021-05-03 21:15:58,472 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 3385 DAG size of output: 3013 [2021-05-03 21:15:58,972 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 3570 DAG size of output: 3172 [2021-05-03 21:15:59,860 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 5774 DAG size of output: 4982 [2021-05-03 21:16:00,870 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 6104 DAG size of output: 5281 [2021-05-03 21:16:02,737 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 9989 DAG size of output: 7975 [2021-05-03 21:16:11,410 WARN L205 SmtUtils]: Spent 8.56 s on a formula simplification. DAG size of input: 38241 DAG size of output: 27609 [2021-05-03 21:16:12,297 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 7314 DAG size of output: 7314 [2021-05-03 21:16:13,231 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 4547 DAG size of output: 6533 [2021-05-03 21:16:13,955 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 4147 DAG size of output: 5185 [2021-05-03 21:16:14,347 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 3766 [2021-05-03 21:16:14,531 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 2010 [2021-05-03 21:16:14,809 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1968 DAG size of output: 2319 [2021-05-03 21:16:14,974 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1074 DAG size of output: 1124 [2021-05-03 21:16:20,900 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1412 DAG size of output: 1026 [2021-05-03 21:16:21,163 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 2501 DAG size of output: 1783 [2021-05-03 21:16:21,461 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 2770 DAG size of output: 2037 [2021-05-03 21:16:21,925 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 2967 DAG size of output: 2174 [2021-05-03 21:16:22,323 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 3231 DAG size of output: 2338 [2021-05-03 21:16:22,825 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 3329 DAG size of output: 2363 [2021-05-03 21:16:22,997 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1356 [2021-05-03 21:16:23,184 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1067 DAG size of output: 1514 [2021-05-03 21:16:27,156 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1651 [2021-05-03 21:16:29,920 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1096 [2021-05-03 21:16:30,317 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 2974 DAG size of output: 2346 [2021-05-03 21:16:30,722 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 3506 DAG size of output: 2551 [2021-05-03 21:16:31,157 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 3701 DAG size of output: 2612 [2021-05-03 21:16:31,660 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 3768 DAG size of output: 2690 [2021-05-03 21:16:32,194 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 4248 DAG size of output: 2995 [2021-05-03 21:16:32,857 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 4719 DAG size of output: 3494 [2021-05-03 21:16:33,953 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 6531 DAG size of output: 4994 [2021-05-03 21:16:35,245 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 8300 DAG size of output: 6559 [2021-05-03 21:16:36,859 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 8488 DAG size of output: 6607 [2021-05-03 21:16:37,096 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1982 [2021-05-03 21:16:37,268 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1951 DAG size of output: 1951 [2021-05-03 21:16:37,723 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1905 DAG size of output: 1905 [2021-05-03 21:16:39,904 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 900 [2021-05-03 21:16:41,252 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 546 [2021-05-03 21:16:41,436 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1395 DAG size of output: 1222 [2021-05-03 21:16:44,955 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1700 DAG size of output: 1259 [2021-05-03 21:16:46,726 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 987 [2021-05-03 21:16:48,239 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1587 DAG size of output: 1293 [2021-05-03 21:16:48,452 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1728 DAG size of output: 1423 [2021-05-03 21:16:48,688 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1851 DAG size of output: 1547 [2021-05-03 21:16:49,116 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 2860 DAG size of output: 2309 [2021-05-03 21:16:50,842 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 718 [2021-05-03 21:16:51,046 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 888 [2021-05-03 21:16:53,070 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 1281 [2021-05-03 21:16:53,926 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 4964 DAG size of output: 4145 [2021-05-03 21:16:54,900 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 5452 DAG size of output: 4461 [2021-05-03 21:16:55,969 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 6455 DAG size of output: 4813 [2021-05-03 21:16:57,075 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 6767 DAG size of output: 4848 [2021-05-03 21:16:58,494 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 6867 DAG size of output: 4946 [2021-05-03 21:17:01,108 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 14390 DAG size of output: 10382 [2021-05-03 21:17:01,338 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1659 DAG size of output: 1655 [2021-05-03 21:17:04,403 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 894 [2021-05-03 21:17:04,544 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1163 DAG size of output: 957 [2021-05-03 21:17:06,457 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 947 [2021-05-03 21:17:06,788 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 1803 DAG size of output: 1638 [2021-05-03 21:17:07,126 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 2088 DAG size of output: 1930 [2021-05-03 21:17:07,509 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 2500 DAG size of output: 2290 [2021-05-03 21:17:07,961 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2624 [2021-05-03 21:17:08,451 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 3070 DAG size of output: 2820 [2021-05-03 21:17:09,392 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 3304 DAG size of output: 3038 [2021-05-03 21:17:09,518 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 916 DAG size of output: 1101 [2021-05-03 21:17:13,443 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 837 [2021-05-03 21:17:13,713 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1296 DAG size of output: 1290 [2021-05-03 21:17:14,010 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1488 [2021-05-03 21:17:14,378 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1803 [2021-05-03 21:17:15,078 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 2024 DAG size of output: 1989 [2021-05-03 21:17:15,571 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 2458 DAG size of output: 2417 [2021-05-03 21:17:16,605 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 4774 DAG size of output: 4256 [2021-05-03 21:17:20,337 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 18842 DAG size of output: 14248 [2021-05-03 21:17:21,091 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 4766 [2021-05-03 21:17:21,417 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1908 DAG size of output: 2612 [2021-05-03 21:17:21,608 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 1900 [2021-05-03 21:17:21,835 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 1077 [2021-05-03 21:17:27,884 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1423 DAG size of output: 954 [2021-05-03 21:17:28,132 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 2652 DAG size of output: 1475 [2021-05-03 21:17:28,525 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 2811 DAG size of output: 1585 [2021-05-03 21:17:28,953 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 2868 DAG size of output: 1665 [2021-05-03 21:17:29,300 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 3111 DAG size of output: 1843 [2021-05-03 21:17:29,683 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 3299 DAG size of output: 1979 [2021-05-03 21:17:29,892 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1309 [2021-05-03 21:17:36,171 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 852 [2021-05-03 21:17:36,323 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1105 [2021-05-03 21:17:36,494 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1198 [2021-05-03 21:17:36,868 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 2866 DAG size of output: 2177 [2021-05-03 21:17:37,255 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2303 [2021-05-03 21:17:37,794 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 3544 DAG size of output: 2358 [2021-05-03 21:17:38,354 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 3605 DAG size of output: 2444 [2021-05-03 21:17:38,892 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 4122 DAG size of output: 3031 [2021-05-03 21:17:39,860 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 5872 DAG size of output: 4201 [2021-05-03 21:17:41,138 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 6064 DAG size of output: 4371 [2021-05-03 21:17:41,270 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2021-05-03 21:17:41,469 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 1016 [2021-05-03 21:17:46,231 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 968 [2021-05-03 21:17:46,402 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1326 DAG size of output: 1039 [2021-05-03 21:17:48,504 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 2389 DAG size of output: 1787 [2021-05-03 21:17:48,667 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 967 DAG size of output: 1249 [2021-05-03 21:17:48,814 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 964 DAG size of output: 1389 [2021-05-03 21:17:48,969 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 961 DAG size of output: 1573 [2021-05-03 21:17:50,802 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1284 DAG size of output: 1135 [2021-05-03 21:17:52,319 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 922 [2021-05-03 21:17:52,551 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 1829 DAG size of output: 1593 [2021-05-03 21:17:52,811 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 2301 DAG size of output: 1712 [2021-05-03 21:17:55,511 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1205 DAG size of output: 952 [2021-05-03 21:17:55,661 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1680 DAG size of output: 1025 [2021-05-03 21:17:56,035 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 3542 DAG size of output: 2160 [2021-05-03 21:17:56,490 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 3999 DAG size of output: 2476 [2021-05-03 21:17:57,009 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 4613 DAG size of output: 3082 [2021-05-03 21:17:57,921 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 5944 DAG size of output: 4241 [2021-05-03 21:17:59,166 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 6248 DAG size of output: 4287 [2021-05-03 21:18:00,423 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 6335 DAG size of output: 4440 [2021-05-03 21:18:02,539 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 11752 DAG size of output: 7936 [2021-05-03 21:18:04,680 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 807 [2021-05-03 21:18:04,829 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1032 DAG size of output: 928 [2021-05-03 21:18:05,197 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1277 DAG size of output: 1132 [2021-05-03 21:18:05,555 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 1236 [2021-05-03 21:18:05,802 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1357 [2021-05-03 21:18:08,332 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1051 DAG size of output: 751 [2021-05-03 21:18:08,493 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1426 DAG size of output: 1026 [2021-05-03 21:18:08,673 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1529 DAG size of output: 1121 [2021-05-03 21:18:08,863 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1576 DAG size of output: 1195 [2021-05-03 21:18:09,316 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1787 DAG size of output: 1354 [2021-05-03 21:18:09,790 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 2886 DAG size of output: 2407 [2021-05-03 21:18:11,884 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 875 [2021-05-03 21:18:12,054 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 955 [2021-05-03 21:18:12,223 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1237 DAG size of output: 1071 [2021-05-03 21:18:12,413 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1457 DAG size of output: 1309 [2021-05-03 21:18:14,115 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 666 [2021-05-03 21:18:14,437 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1944 DAG size of output: 1728 [2021-05-03 21:18:15,239 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 2386 DAG size of output: 2038 [2021-05-03 21:18:16,028 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 2479 DAG size of output: 2216 [2021-05-03 21:18:16,927 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 4610 DAG size of output: 3879 [2021-05-03 21:18:20,066 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 16062 DAG size of output: 11316 [2021-05-03 21:18:23,757 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 18999 DAG size of output: 13039 [2021-05-03 21:18:30,860 WARN L205 SmtUtils]: Spent 6.99 s on a formula simplification. DAG size of input: 35570 DAG size of output: 23364 [2021-05-03 21:18:31,532 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 3012 DAG size of output: 3797 [2021-05-03 21:18:31,795 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 2282 DAG size of output: 2282 [2021-05-03 21:18:31,991 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1228 DAG size of output: 1501 [2021-05-03 21:18:35,424 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 931 [2021-05-03 21:18:35,578 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 939 [2021-05-03 21:18:37,131 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1210 DAG size of output: 1313 [2021-05-03 21:18:37,402 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1562 DAG size of output: 1402 [2021-05-03 21:18:37,781 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1657 DAG size of output: 1489 [2021-05-03 21:18:38,144 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 2127 DAG size of output: 1774 [2021-05-03 21:18:38,561 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 2284 DAG size of output: 1971 [2021-05-03 21:18:39,122 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 2908 DAG size of output: 2708 [2021-05-03 21:18:39,337 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1265 DAG size of output: 1595 [2021-05-03 21:18:39,450 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 914 [2021-05-03 21:18:41,466 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 813 [2021-05-03 21:18:41,592 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1116 DAG size of output: 900 [2021-05-03 21:18:41,727 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1186 DAG size of output: 970 [2021-05-03 21:18:41,878 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1242 DAG size of output: 1033 [2021-05-03 21:18:43,835 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1708 DAG size of output: 1500 [2021-05-03 21:18:45,212 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 742 [2021-05-03 21:18:45,432 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 866 [2021-05-03 21:18:45,805 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 2479 DAG size of output: 2043 [2021-05-03 21:18:46,341 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 3322 DAG size of output: 2961 [2021-05-03 21:18:47,428 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 5458 DAG size of output: 4444 [2021-05-03 21:18:47,858 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 3010 DAG size of output: 3616 [2021-05-03 21:18:48,093 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1701 DAG size of output: 1965 [2021-05-03 21:18:50,248 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 1190 DAG size of output: 961 [2021-05-03 21:18:52,236 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 871 [2021-05-03 21:18:52,564 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 1860 DAG size of output: 1501 [2021-05-03 21:18:52,767 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1695 DAG size of output: 1801 [2021-05-03 21:18:55,850 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1333 DAG size of output: 1167 [2021-05-03 21:18:56,065 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1389 DAG size of output: 1215 [2021-05-03 21:18:58,406 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1030 DAG size of output: 901 [2021-05-03 21:18:58,542 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 968 [2021-05-03 21:18:58,717 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1161 DAG size of output: 1026 [2021-05-03 21:18:59,069 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 2014 [2021-05-03 21:18:59,208 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1663 DAG size of output: 1663 [2021-05-03 21:18:59,330 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 918 DAG size of output: 1185 [2021-05-03 21:18:59,502 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 1062 [2021-05-03 21:19:00,893 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 984 [2021-05-03 21:19:02,729 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 817 [2021-05-03 21:19:02,940 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1800 DAG size of output: 1279 [2021-05-03 21:19:03,215 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1849 DAG size of output: 1334 [2021-05-03 21:19:03,511 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2120 DAG size of output: 1637 [2021-05-03 21:19:03,663 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 1178 [2021-05-03 21:19:03,841 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 1071 [2021-05-03 21:19:03,963 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 889 DAG size of output: 1202 [2021-05-03 21:19:05,931 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1459 DAG size of output: 830 [2021-05-03 21:19:07,500 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 928 [2021-05-03 21:19:07,772 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 1481 [2021-05-03 21:19:08,112 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 2175 DAG size of output: 1536 [2021-05-03 21:19:08,476 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 2427 DAG size of output: 1818 [2021-05-03 21:19:09,135 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 4239 DAG size of output: 2962 [2021-05-03 21:19:10,186 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 5661 DAG size of output: 4301 [2021-05-03 21:19:11,551 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 7299 DAG size of output: 5254 [2021-05-03 21:19:13,213 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 8889 DAG size of output: 6663 [2021-05-03 21:19:15,689 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 12295 DAG size of output: 8656 [2021-05-03 21:19:25,582 WARN L205 SmtUtils]: Spent 9.79 s on a formula simplification. DAG size of input: 46724 DAG size of output: 30389 [2021-05-03 21:19:44,351 WARN L205 SmtUtils]: Spent 18.53 s on a formula simplification. DAG size of input: 73270 DAG size of output: 48868 [2021-05-03 21:20:04,529 WARN L205 SmtUtils]: Spent 19.80 s on a formula simplification. DAG size of input: 78528 DAG size of output: 51029 [2021-05-03 21:20:05,614 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 4366 DAG size of output: 6024 [2021-05-03 21:20:06,014 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 4006 DAG size of output: 4006 [2021-05-03 21:20:06,159 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1660 [2021-05-03 21:20:06,295 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 967 DAG size of output: 1017 [2021-05-03 21:20:06,695 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 1134 [2021-05-03 21:20:06,821 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 857 [2021-05-03 21:20:07,021 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 984 [2021-05-03 21:20:08,823 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1172 DAG size of output: 887 [2021-05-03 21:20:08,938 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 957 [2021-05-03 21:20:09,103 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1521 DAG size of output: 1272 [2021-05-03 21:20:10,582 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1266 [2021-05-03 21:20:12,013 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 2518 DAG size of output: 1687 [2021-05-03 21:20:12,151 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 900 DAG size of output: 1040 [2021-05-03 21:20:13,446 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 642 [2021-05-03 21:20:15,910 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 949 DAG size of output: 817 [2021-05-03 21:20:18,184 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1635 DAG size of output: 1399 [2021-05-03 21:20:18,435 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 2071 DAG size of output: 1506 [2021-05-03 21:20:18,701 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1586 [2021-05-03 21:20:19,103 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 2868 DAG size of output: 2039 [2021-05-03 21:20:19,738 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 4728 DAG size of output: 3207 [2021-05-03 21:20:20,502 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 4864 DAG size of output: 3358 [2021-05-03 21:20:21,797 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 1076 [2021-05-03 21:20:25,411 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 777 DAG size of output: 843 [2021-05-03 21:20:25,565 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1005 [2021-05-03 21:20:25,809 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 1186 [2021-05-03 21:20:26,044 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1666 DAG size of output: 1365 [2021-05-03 21:20:30,790 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 1041 DAG size of output: 865 [2021-05-03 21:20:32,439 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 1580 DAG size of output: 1423 [2021-05-03 21:20:32,753 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 2012 DAG size of output: 1534 [2021-05-03 21:20:33,121 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 2486 DAG size of output: 1842 [2021-05-03 21:20:33,750 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 2711 [2021-05-03 21:20:34,401 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 4016 DAG size of output: 2950 [2021-05-03 21:20:35,168 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 4299 DAG size of output: 3300 [2021-05-03 21:20:36,145 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 4329 DAG size of output: 3432 [2021-05-03 21:20:37,686 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 7859 DAG size of output: 5799 [2021-05-03 21:20:37,841 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 942 DAG size of output: 991 [2021-05-03 21:20:37,974 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 935 DAG size of output: 1161 [2021-05-03 21:20:38,085 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 1062 [2021-05-03 21:20:38,212 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 983 [2021-05-03 21:20:40,549 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1014 DAG size of output: 848 [2021-05-03 21:20:40,716 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 906 [2021-05-03 21:20:40,950 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 964 [2021-05-03 21:20:41,079 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 929 DAG size of output: 1176 [2021-05-03 21:20:41,208 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 1111 [2021-05-03 21:20:41,343 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 918 DAG size of output: 1025 [2021-05-03 21:20:42,601 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 1084 [2021-05-03 21:20:42,788 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 948 [2021-05-03 21:20:43,979 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 929 [2021-05-03 21:20:44,171 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1217 [2021-05-03 21:20:45,706 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 792 [2021-05-03 21:20:46,043 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 2305 DAG size of output: 1722 [2021-05-03 21:20:46,412 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 2552 DAG size of output: 1937 [2021-05-03 21:20:46,819 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 3164 DAG size of output: 1882 [2021-05-03 21:20:48,567 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 697 [2021-05-03 21:20:49,101 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 4012 DAG size of output: 2346 [2021-05-03 21:20:49,529 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 796 [2021-05-03 21:20:52,057 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 819 [2021-05-03 21:20:52,239 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 907 [2021-05-03 21:20:53,125 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1498 DAG size of output: 1107 [2021-05-03 21:20:53,360 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1699 DAG size of output: 1251 [2021-05-03 21:20:53,926 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1856 DAG size of output: 1443 [2021-05-03 21:20:54,749 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 5225 DAG size of output: 3204 [2021-05-03 21:20:54,883 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 908 DAG size of output: 1138 [2021-05-03 21:20:56,693 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 814 [2021-05-03 21:20:56,826 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 859 [2021-05-03 21:20:58,285 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 1086 [2021-05-03 21:20:58,490 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1530 DAG size of output: 1172 [2021-05-03 21:20:58,800 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1252 [2021-05-03 21:21:00,483 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 2445 DAG size of output: 1670 [2021-05-03 21:21:01,585 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 1125 [2021-05-03 21:21:04,477 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1229 DAG size of output: 1064 [2021-05-03 21:21:04,656 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1665 DAG size of output: 1166 [2021-05-03 21:21:04,885 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1492 [2021-05-03 21:21:07,097 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1103 DAG size of output: 872 [2021-05-03 21:21:07,224 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1156 DAG size of output: 909 [2021-05-03 21:21:07,537 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 2597 DAG size of output: 1657 [2021-05-03 21:21:07,961 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 1737 [2021-05-03 21:21:08,368 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 3091 DAG size of output: 1965 [2021-05-03 21:21:09,107 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 4868 DAG size of output: 3085 [2021-05-03 21:21:10,725 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 8165 DAG size of output: 5214 [2021-05-03 21:21:13,962 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 13384 DAG size of output: 9128 [2021-05-03 21:21:14,231 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 2568 [2021-05-03 21:21:14,338 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1402 DAG size of output: 1402 [2021-05-03 21:21:16,175 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1536 DAG size of output: 1293 [2021-05-03 21:21:16,374 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1374 DAG size of output: 1722 [2021-05-03 21:21:16,637 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1223 DAG size of output: 1714 [2021-05-03 21:21:20,327 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 703 [2021-05-03 21:21:20,433 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 785 [2021-05-03 21:21:20,555 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 848 [2021-05-03 21:21:20,741 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1086 [2021-05-03 21:21:23,914 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1521 DAG size of output: 1148 [2021-05-03 21:21:24,298 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 2759 DAG size of output: 2018 [2021-05-03 21:21:25,779 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 714 [2021-05-03 21:21:27,807 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1563 DAG size of output: 1144 [2021-05-03 21:21:29,721 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 879 [2021-05-03 21:21:31,808 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1522 DAG size of output: 1187 [2021-05-03 21:21:32,552 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 5218 DAG size of output: 3724 [2021-05-03 21:21:34,570 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 981 DAG size of output: 813 [2021-05-03 21:21:36,430 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1512 DAG size of output: 1289 [2021-05-03 21:21:37,431 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 6570 DAG size of output: 4852 [2021-05-03 21:21:38,588 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 7108 DAG size of output: 5110 [2021-05-03 21:21:40,871 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 848 [2021-05-03 21:21:43,094 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 726 [2021-05-03 21:21:43,507 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 974 DAG size of output: 895 [2021-05-03 21:21:43,775 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 1492 DAG size of output: 1299 [2021-05-03 21:21:45,624 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 972 DAG size of output: 799 [2021-05-03 21:21:47,513 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1373 DAG size of output: 1090 [2021-05-03 21:21:50,855 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1595 DAG size of output: 1077 [2021-05-03 21:21:51,221 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 2702 DAG size of output: 1953 [2021-05-03 21:21:52,782 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 594 [2021-05-03 21:21:53,235 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 3196 DAG size of output: 2428 [2021-05-03 21:21:57,700 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1356 DAG size of output: 1037 [2021-05-03 21:21:57,932 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1870 DAG size of output: 1434 [2021-05-03 21:21:58,950 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 5301 DAG size of output: 4188 [2021-05-03 21:22:00,036 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 5805 DAG size of output: 4374 [2021-05-03 21:22:02,231 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 12038 DAG size of output: 8212 [2021-05-03 21:22:06,152 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 13337 DAG size of output: 9004 [2021-05-03 21:22:06,395 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 2039 [2021-05-03 21:22:09,049 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 552 [2021-05-03 21:22:13,093 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1160 DAG size of output: 799 [2021-05-03 21:22:13,276 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1723 DAG size of output: 1222 [2021-05-03 21:22:16,763 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 1089 [2021-05-03 21:22:17,162 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 2998 DAG size of output: 2074 [2021-05-03 21:22:17,659 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 3436 DAG size of output: 2489 [2021-05-03 21:22:21,332 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1552 DAG size of output: 1081 [2021-05-03 21:22:22,428 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1978 DAG size of output: 1428 [2021-05-03 21:22:25,183 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 537 [2021-05-03 21:22:25,315 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 620 [2021-05-03 21:22:25,505 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 817 [2021-05-03 21:22:27,909 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1061 DAG size of output: 866 [2021-05-03 21:22:28,202 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 1664 DAG size of output: 1332 [2021-05-03 21:22:29,291 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 5745 DAG size of output: 4139 [2021-05-03 21:22:30,479 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 6248 DAG size of output: 4327 [2021-05-03 21:22:31,718 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 6926 DAG size of output: 4777 [2021-05-03 21:22:35,345 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 674 [2021-05-03 21:22:35,465 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 916 DAG size of output: 749 [2021-05-03 21:22:35,626 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1024 [2021-05-03 21:22:37,899 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 966 [2021-05-03 21:22:38,173 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 2063 DAG size of output: 1650 [2021-05-03 21:22:41,668 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 1372 DAG size of output: 1162 [2021-05-03 21:22:43,603 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 807 [2021-05-03 21:22:43,722 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 884 [2021-05-03 21:22:45,940 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1160 [2021-05-03 21:22:46,310 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 2580 DAG size of output: 2052 [2021-05-03 21:22:48,418 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 994 DAG size of output: 826 [2021-05-03 21:22:48,939 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 3427 DAG size of output: 2738 [2021-05-03 21:22:51,242 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 906 DAG size of output: 735 [2021-05-03 21:22:51,586 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1296 DAG size of output: 1045 [2021-05-03 21:22:53,506 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1733 DAG size of output: 1407 [2021-05-03 21:22:54,603 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 5576 DAG size of output: 4683 [2021-05-03 21:22:55,787 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 6113 DAG size of output: 4943 [2021-05-03 21:22:57,069 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 6791 DAG size of output: 5381 [2021-05-03 21:22:59,637 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 12418 DAG size of output: 9043 [2021-05-03 21:23:04,697 WARN L205 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 22845 DAG size of output: 16083 [2021-05-03 21:23:10,334 WARN L205 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 23209 DAG size of output: 16715 [2021-05-03 21:23:10,663 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1426 DAG size of output: 1779 [2021-05-03 21:23:10,954 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1285 DAG size of output: 1777 [2021-05-03 21:23:11,191 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 1493 [2021-05-03 21:23:13,849 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 802 [2021-05-03 21:23:14,829 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 1157 [2021-05-03 21:23:15,076 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1469 DAG size of output: 1210 [2021-05-03 21:23:15,758 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1904 DAG size of output: 1505 [2021-05-03 21:23:15,928 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1189 [2021-05-03 21:23:16,107 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 1514 [2021-05-03 21:23:23,015 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1084 DAG size of output: 976 [2021-05-03 21:23:23,179 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1700 DAG size of output: 1234 [2021-05-03 21:23:23,359 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1857 DAG size of output: 1354 [2021-05-03 21:23:23,740 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 3406 DAG size of output: 2495 [2021-05-03 21:23:24,184 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 2578 [2021-05-03 21:23:24,752 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 4156 DAG size of output: 2573 [2021-05-03 21:23:25,314 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 4664 DAG size of output: 3162 [2021-05-03 21:23:30,809 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1684 DAG size of output: 1181 [2021-05-03 21:23:32,925 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 3015 DAG size of output: 1852 [2021-05-03 21:23:33,414 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 3175 DAG size of output: 1957 [2021-05-03 21:23:34,238 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 6365 DAG size of output: 3750 [2021-05-03 21:23:35,390 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 8060 DAG size of output: 5076 [2021-05-03 21:23:36,975 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 8188 DAG size of output: 5271 [2021-05-03 21:23:37,140 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1180 DAG size of output: 1529 [2021-05-03 21:23:37,342 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 1195 [2021-05-03 21:23:37,499 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1139 DAG size of output: 1427 [2021-05-03 21:23:37,719 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1094 DAG size of output: 1583 [2021-05-03 21:23:43,899 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 1037 [2021-05-03 21:23:44,271 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 2293 DAG size of output: 2001 [2021-05-03 21:23:44,649 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 2836 DAG size of output: 2103 [2021-05-03 21:23:45,078 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 3353 DAG size of output: 2555 [2021-05-03 21:23:45,708 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 3567 DAG size of output: 2664 [2021-05-03 21:23:46,253 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 4345 DAG size of output: 3363 [2021-05-03 21:23:51,140 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1475 DAG size of output: 1147 [2021-05-03 21:23:51,303 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1612 DAG size of output: 1237 [2021-05-03 21:23:53,606 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 2768 DAG size of output: 2038 [2021-05-03 21:23:54,109 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 2952 DAG size of output: 2150 [2021-05-03 21:23:54,958 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 6257 DAG size of output: 4139 [2021-05-03 21:23:55,980 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 6355 DAG size of output: 4104 [2021-05-03 21:24:00,321 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1128 DAG size of output: 964 [2021-05-03 21:24:00,575 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1473 [2021-05-03 21:24:00,855 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 1895 DAG size of output: 1535 [2021-05-03 21:24:01,206 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 2330 DAG size of output: 1830 [2021-05-03 21:24:01,564 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 2397 DAG size of output: 1932 [2021-05-03 21:24:02,872 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 8513 DAG size of output: 5801 [2021-05-03 21:24:05,477 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 15064 DAG size of output: 9782 [2021-05-03 21:24:08,742 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 15140 DAG size of output: 9810 [2021-05-03 21:24:08,929 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1416 DAG size of output: 1416 [2021-05-03 21:24:11,434 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1315 DAG size of output: 1984 [2021-05-03 21:24:13,660 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 963 [2021-05-03 21:24:15,278 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1723 DAG size of output: 1229 [2021-05-03 21:24:15,463 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1916 DAG size of output: 1386 [2021-05-03 21:24:15,671 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 2039 DAG size of output: 1510 [2021-05-03 21:24:19,873 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 1787 DAG size of output: 1239 [2021-05-03 21:24:20,282 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 2994 DAG size of output: 2174 [2021-05-03 21:24:22,610 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 695 [2021-05-03 21:24:22,730 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 854 DAG size of output: 778 [2021-05-03 21:24:24,914 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 671 [2021-05-03 21:24:25,141 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1346 DAG size of output: 1059 [2021-05-03 21:24:29,031 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1513 DAG size of output: 1131 [2021-05-03 21:24:29,857 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 5002 DAG size of output: 3701 [2021-05-03 21:24:32,745 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 828 [2021-05-03 21:24:33,715 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1309 DAG size of output: 1214 [2021-05-03 21:24:34,865 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 6165 DAG size of output: 4799 [2021-05-03 21:24:36,046 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 6792 DAG size of output: 5019 [2021-05-03 21:24:39,863 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 860 [2021-05-03 21:24:40,153 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1364 [2021-05-03 21:24:45,388 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1280 DAG size of output: 1206 [2021-05-03 21:24:47,152 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 641 [2021-05-03 21:24:47,554 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 2354 DAG size of output: 2125 [2021-05-03 21:24:48,006 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 2638 DAG size of output: 2429 [2021-05-03 21:24:51,256 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 699 [2021-05-03 21:24:51,416 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1178 [2021-05-03 21:24:51,591 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1641 DAG size of output: 1268 [2021-05-03 21:24:55,214 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 612 [2021-05-03 21:24:55,583 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 2672 DAG size of output: 2030 [2021-05-03 21:24:56,327 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 4345 DAG size of output: 3527 [2021-05-03 21:24:57,395 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 5669 DAG size of output: 4743 [2021-05-03 21:24:58,551 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 6203 DAG size of output: 5008 [2021-05-03 21:25:00,921 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 11984 DAG size of output: 8849 [2021-05-03 21:25:03,472 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 13285 DAG size of output: 9525 [2021-05-03 21:25:07,495 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 13571 DAG size of output: 10027 [2021-05-03 21:25:10,445 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 13600 DAG size of output: 10125 [2021-05-03 21:25:16,216 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 25775 DAG size of output: 17999 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown