/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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 09:28:34,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 09:28:34,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 09:28:34,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 09:28:34,196 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-DelaySleep-NoLbe.epf [2021-06-06 09:28:34,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 09:28:34,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 09:28:34,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 09:28:34,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 09:28:34,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 09:28:34,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 09:28:34,217 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 09:28:34,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 09:28:34,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 09:28:34,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 09:28:34,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 09:28:34,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 09:28:34,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 09:28:34,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 09:28:34,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 09:28:34,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 09:28:34,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 09:28:34,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 09:28:34,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 09:28:34,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 09:28:34,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 09:28:34,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 09:28:34,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 09:28:34,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 09:28:34,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 09:28:34,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 09:28:34,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 09:28:34,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 09:28:34,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 09:28:34,220 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 09:28:34,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 09:28:34,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 09:28:34,220 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 09:28:34,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 09:28:34,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 09:28:34,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 09:28:34,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 09:28:34,553 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 09:28:34,554 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 09:28:34,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl [2021-06-06 09:28:34,555 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-5.wvr.bpl' [2021-06-06 09:28:34,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 09:28:34,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 09:28:34,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 09:28:34,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 09:28:34,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 09:28:34,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 09:28:34,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 09:28:34,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 09:28:34,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 09:28:34,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/1) ... [2021-06-06 09:28:34,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 09:28:34,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 09:28:34,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 09:28:34,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 09:28:34,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (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 [2021-06-06 09:28:34,692 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 09:28:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 09:28:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 09:28:34,692 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 09:28:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 09:28:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 09:28:34,693 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 09:28:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 09:28:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 09:28:34,695 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 09:28:34,911 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 09:28:34,912 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 09:28:34,913 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 09:28:34,913 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 09:28:34,914 INFO L202 PluginConnector]: Adding new model unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:28:34 BoogieIcfgContainer [2021-06-06 09:28:34,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 09:28:34,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 09:28:34,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 09:28:34,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 09:28:34,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:28:34" (1/2) ... [2021-06-06 09:28:34,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a93802 and model type unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:28:34, skipping insertion in model container [2021-06-06 09:28:34,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:28:34" (2/2) ... [2021-06-06 09:28:34,921 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.bpl [2021-06-06 09:28:34,925 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 09:28:34,925 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 09:28:34,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 09:28:34,926 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 09:28:34,982 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 09:28:35,012 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 09:28:35,047 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 09:28:35,047 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 09:28:35,048 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 09:28:35,048 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 09:28:35,048 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 09:28:35,048 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 09:28:35,048 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 09:28:35,048 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 09:28:35,068 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:35,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:35,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1415596831, now seen corresponding path program 1 times [2021-06-06 09:28:35,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:35,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072089155] [2021-06-06 09:28:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:28:35,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:35,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072089155] [2021-06-06 09:28:35,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072089155] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:28:35,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:28:35,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 09:28:35,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185863519] [2021-06-06 09:28:35,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:28:35,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:35,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:28:35,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:28:35,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:35,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:35,221 INFO L483 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) [2021-06-06 09:28:35,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:35,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:35,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 09:28:35,236 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:35,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:35,237 INFO L82 PathProgramCache]: Analyzing trace with hash 725858237, now seen corresponding path program 1 times [2021-06-06 09:28:35,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:35,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321917520] [2021-06-06 09:28:35,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:28:35,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:35,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321917520] [2021-06-06 09:28:35,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321917520] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:35,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741555653] [2021-06-06 09:28:35,271 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 [2021-06-06 09:28:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:35,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 09:28:35,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:28:35,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741555653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:35,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:35,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-06 09:28:35,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439235410] [2021-06-06 09:28:35,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 09:28:35,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:35,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 09:28:35,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 09:28:35,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:35,378 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:35,378 INFO L483 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) [2021-06-06 09:28:35,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:35,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:35,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:35,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:35,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:35,631 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:35,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:35,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1049837130, now seen corresponding path program 1 times [2021-06-06 09:28:35,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:35,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514213973] [2021-06-06 09:28:35,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:28:35,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:35,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514213973] [2021-06-06 09:28:35,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514213973] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:35,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857830696] [2021-06-06 09:28:35,696 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 [2021-06-06 09:28:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:35,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 09:28:35,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:28:35,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857830696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:35,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:35,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-06 09:28:35,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870061815] [2021-06-06 09:28:35,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 09:28:35,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:35,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 09:28:35,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 09:28:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:35,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:35,758 INFO L483 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) [2021-06-06 09:28:35,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:35,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:35,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:35,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:35,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:35,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:35,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:35,993 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:35,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:35,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1698822694, now seen corresponding path program 2 times [2021-06-06 09:28:35,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:35,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116078738] [2021-06-06 09:28:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:36,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:28:36,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:36,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116078738] [2021-06-06 09:28:36,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116078738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:36,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350615031] [2021-06-06 09:28:36,057 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 [2021-06-06 09:28:36,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:28:36,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:36,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 09:28:36,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:28:36,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350615031] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:36,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:36,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-06 09:28:36,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349124479] [2021-06-06 09:28:36,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 09:28:36,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:36,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 09:28:36,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-06 09:28:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:36,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:36,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-06-06 09:28:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:36,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:36,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:36,381 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:36,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:36,382 INFO L82 PathProgramCache]: Analyzing trace with hash 342538698, now seen corresponding path program 3 times [2021-06-06 09:28:36,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:36,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057309316] [2021-06-06 09:28:36,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:28:36,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:36,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057309316] [2021-06-06 09:28:36,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057309316] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:36,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60231768] [2021-06-06 09:28:36,458 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 [2021-06-06 09:28:36,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 09:28:36,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:36,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 09:28:36,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:28:36,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60231768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:36,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:36,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-06 09:28:36,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034133474] [2021-06-06 09:28:36,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 09:28:36,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:36,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 09:28:36,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-06 09:28:36,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:36,573 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:36,574 INFO L483 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) [2021-06-06 09:28:36,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:36,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:36,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:36,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:36,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:36,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:36,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:36,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:36,841 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:36,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:36,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1247407782, now seen corresponding path program 4 times [2021-06-06 09:28:36,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:36,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125317327] [2021-06-06 09:28:36,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:36,980 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:28:36,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:36,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125317327] [2021-06-06 09:28:36,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125317327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:36,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660251409] [2021-06-06 09:28:36,981 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 [2021-06-06 09:28:37,029 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:28:37,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:37,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 09:28:37,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:28:37,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660251409] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:37,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:37,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-06 09:28:37,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617741273] [2021-06-06 09:28:37,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 09:28:37,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:37,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 09:28:37,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-06 09:28:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:37,114 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:37,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 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) [2021-06-06 09:28:37,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:37,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:37,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:37,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:37,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:37,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:37,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:37,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:37,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:37,361 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:37,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:37,361 INFO L82 PathProgramCache]: Analyzing trace with hash -766421686, now seen corresponding path program 5 times [2021-06-06 09:28:37,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:37,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775609825] [2021-06-06 09:28:37,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:28:37,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:37,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775609825] [2021-06-06 09:28:37,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775609825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:37,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195837012] [2021-06-06 09:28:37,416 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 [2021-06-06 09:28:37,458 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 09:28:37,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:37,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 09:28:37,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:37,632 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:28:37,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-06 09:28:37,824 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:28:37,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:28:37,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:28:37,828 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-06 09:28:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:28:37,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195837012] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:37,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:37,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2021-06-06 09:28:37,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603915311] [2021-06-06 09:28:37,837 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 09:28:37,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:37,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 09:28:37,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-06 09:28:37,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:37,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:37,844 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 13 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) [2021-06-06 09:28:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:37,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:37,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:38,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:38,113 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:38,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:38,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1229374246, now seen corresponding path program 6 times [2021-06-06 09:28:38,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:38,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873203197] [2021-06-06 09:28:38,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:28:38,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:38,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873203197] [2021-06-06 09:28:38,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873203197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:38,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902600802] [2021-06-06 09:28:38,188 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 [2021-06-06 09:28:38,226 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 09:28:38,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:38,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 09:28:38,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:28:38,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902600802] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:38,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:38,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-06 09:28:38,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308395424] [2021-06-06 09:28:38,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 09:28:38,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:38,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 09:28:38,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-06-06 09:28:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:38,303 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:38,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:28:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:38,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:38,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-06 09:28:38,641 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:38,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:38,641 INFO L82 PathProgramCache]: Analyzing trace with hash -521035775, now seen corresponding path program 7 times [2021-06-06 09:28:38,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:38,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930805106] [2021-06-06 09:28:38,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:38,782 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:28:38,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:38,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930805106] [2021-06-06 09:28:38,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930805106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:38,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190393526] [2021-06-06 09:28:38,783 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 [2021-06-06 09:28:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:38,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 09:28:38,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:28:38,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190393526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:38,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:38,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-06 09:28:38,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797958942] [2021-06-06 09:28:38,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 09:28:38,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:38,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 09:28:38,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-06 09:28:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:38,910 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:38,910 INFO L483 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) [2021-06-06 09:28:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:38,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:38,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:39,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:28:39,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:39,301 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:39,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:39,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1883440861, now seen corresponding path program 8 times [2021-06-06 09:28:39,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:39,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775697853] [2021-06-06 09:28:39,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:39,434 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:28:39,434 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:39,434 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775697853] [2021-06-06 09:28:39,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775697853] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:39,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517420631] [2021-06-06 09:28:39,436 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) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:39,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:28:39,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:39,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 09:28:39,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:28:39,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517420631] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:39,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:39,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-06 09:28:39,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271665844] [2021-06-06 09:28:39,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 09:28:39,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:39,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 09:28:39,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-06 09:28:39,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:39,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:39,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:39,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:28:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:39,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:28:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:28:39,975 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:28:39,975 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:39,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:39,976 INFO L82 PathProgramCache]: Analyzing trace with hash -887194751, now seen corresponding path program 9 times [2021-06-06 09:28:39,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:39,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15312904] [2021-06-06 09:28:39,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:28:40,115 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:40,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15312904] [2021-06-06 09:28:40,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15312904] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:40,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523246199] [2021-06-06 09:28:40,115 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 [2021-06-06 09:28:40,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 09:28:40,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:40,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 09:28:40,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:28:40,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523246199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:40,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:40,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-06 09:28:40,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985318830] [2021-06-06 09:28:40,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 09:28:40,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:40,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 09:28:40,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-06-06 09:28:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:40,300 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:40,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:28:40,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:28:40,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:28:40,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:28:40,734 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-06-06 09:28:40,735 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:40,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:40,735 INFO L82 PathProgramCache]: Analyzing trace with hash -877552803, now seen corresponding path program 10 times [2021-06-06 09:28:40,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:40,735 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519880408] [2021-06-06 09:28:40,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:28:40,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:40,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519880408] [2021-06-06 09:28:40,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519880408] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:40,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220621788] [2021-06-06 09:28:40,900 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 [2021-06-06 09:28:40,935 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:28:40,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:40,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 09:28:40,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:28:41,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220621788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:41,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:28:41,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 09:28:41,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488789142] [2021-06-06 09:28:41,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 09:28:41,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:28:41,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 09:28:41,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-06-06 09:28:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:41,116 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:28:41,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:28:41,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:28:41,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:28:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:28:41,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:28:41,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:28:41,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:28:41,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-06 09:28:41,513 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:28:41,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:28:41,513 INFO L82 PathProgramCache]: Analyzing trace with hash -578652415, now seen corresponding path program 11 times [2021-06-06 09:28:41,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:28:41,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862030573] [2021-06-06 09:28:41,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:28:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:28:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:28:41,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:28:41,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862030573] [2021-06-06 09:28:41,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862030573] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:28:41,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156117609] [2021-06-06 09:28:41,610 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 [2021-06-06 09:28:41,658 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 09:28:41,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:28:41,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 09:28:41,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:28:42,188 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-06 09:28:42,189 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:28:42,189 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 [2021-06-06 09:28:43,381 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 230 [2021-06-06 09:28:43,546 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-06-06 09:28:43,681 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2021-06-06 09:28:43,840 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2021-06-06 09:28:44,323 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 327 [2021-06-06 09:28:44,661 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 318 [2021-06-06 09:28:44,902 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 275 [2021-06-06 09:28:46,162 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 246 [2021-06-06 09:28:46,319 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2021-06-06 09:28:46,452 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 213 [2021-06-06 09:28:46,578 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 215 [2021-06-06 09:28:48,313 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 203 [2021-06-06 09:28:48,481 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 222 [2021-06-06 09:28:48,726 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 300 [2021-06-06 09:28:49,127 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 326 [2021-06-06 09:28:50,321 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 236 [2021-06-06 09:28:50,515 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 260 [2021-06-06 09:28:50,741 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 307 [2021-06-06 09:28:51,439 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 183 [2021-06-06 09:28:51,564 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-06-06 09:28:51,735 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 220 [2021-06-06 09:28:51,898 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 229 [2021-06-06 09:28:52,322 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 431 [2021-06-06 09:28:53,127 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 631 [2021-06-06 09:28:54,082 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 670 [2021-06-06 09:28:55,345 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 969 DAG size of output: 794 [2021-06-06 09:28:56,815 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 979 DAG size of output: 806 [2021-06-06 09:28:58,566 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1051 DAG size of output: 859 [2021-06-06 09:29:00,615 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1150 DAG size of output: 926 [2021-06-06 09:29:00,833 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 268 [2021-06-06 09:29:01,001 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 269 [2021-06-06 09:29:01,152 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 254 [2021-06-06 09:29:02,408 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 247 [2021-06-06 09:29:02,600 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 254 [2021-06-06 09:29:03,774 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 191 [2021-06-06 09:29:04,249 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 227 [2021-06-06 09:29:04,481 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 234 [2021-06-06 09:29:04,938 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 367 [2021-06-06 09:29:05,445 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 370 [2021-06-06 09:29:06,081 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 432 [2021-06-06 09:29:09,084 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-06-06 09:29:12,079 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1137 [2021-06-06 09:29:15,400 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1148 [2021-06-06 09:29:15,530 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2021-06-06 09:29:18,728 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1191 [2021-06-06 09:29:21,367 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1162 [2021-06-06 09:29:23,857 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1243 [2021-06-06 09:29:24,310 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 581 [2021-06-06 09:29:24,528 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-06-06 09:29:24,970 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 211 [2021-06-06 09:29:25,617 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 264 [2021-06-06 09:29:25,964 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 382 [2021-06-06 09:29:26,562 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 556 [2021-06-06 09:29:27,354 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 650 [2021-06-06 09:29:28,481 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-06-06 09:29:29,611 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1089 DAG size of output: 754 [2021-06-06 09:29:31,022 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1094 DAG size of output: 478 [2021-06-06 09:29:31,273 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 290 [2021-06-06 09:29:31,436 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-06-06 09:29:31,926 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 221 [2021-06-06 09:29:32,030 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 224 [2021-06-06 09:29:32,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:29:32,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:29:32,491 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:29:32,491 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-06 09:29:32,497 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:29:32,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156117609] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:32,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:29:32,497 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-06-06 09:29:32,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586326579] [2021-06-06 09:29:32,497 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 09:29:32,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:29:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 09:29:32,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-06 09:29:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:32,498 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:29:32,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 24 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) [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:32,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:32,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-06 09:29:32,821 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:29:32,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:29:32,821 INFO L82 PathProgramCache]: Analyzing trace with hash 97325021, now seen corresponding path program 12 times [2021-06-06 09:29:32,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:29:32,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415338867] [2021-06-06 09:29:32,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:29:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:29:32,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:29:32,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415338867] [2021-06-06 09:29:32,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415338867] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:32,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225694370] [2021-06-06 09:29:32,954 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 [2021-06-06 09:29:32,983 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 09:29:32,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:29:32,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 09:29:32,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:29:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:29:33,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225694370] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:33,057 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:29:33,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-06 09:29:33,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084650015] [2021-06-06 09:29:33,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 09:29:33,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:29:33,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 09:29:33,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-06-06 09:29:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:33,059 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:29:33,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:33,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:33,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:33,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1520,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:29:33,472 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:29:33,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:29:33,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1254823382, now seen corresponding path program 13 times [2021-06-06 09:29:33,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:29:33,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486814920] [2021-06-06 09:29:33,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:29:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:29:33,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:29:33,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486814920] [2021-06-06 09:29:33,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486814920] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:33,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691824927] [2021-06-06 09:29:33,659 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 [2021-06-06 09:29:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:33,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 09:29:33,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:29:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:29:33,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691824927] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:33,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:29:33,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-06 09:29:33,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506547394] [2021-06-06 09:29:33,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 09:29:33,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:29:33,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 09:29:33,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-06-06 09:29:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:33,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:29:33,848 INFO L483 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) [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:33,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:33,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:33,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:33,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:33,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:33,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:33,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:29:34,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1521 [2021-06-06 09:29:34,445 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:29:34,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:29:34,446 INFO L82 PathProgramCache]: Analyzing trace with hash -180569082, now seen corresponding path program 14 times [2021-06-06 09:29:34,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:29:34,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830041666] [2021-06-06 09:29:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:29:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:29:34,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:29:34,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830041666] [2021-06-06 09:29:34,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830041666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:34,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472091544] [2021-06-06 09:29:34,642 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 [2021-06-06 09:29:34,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:29:34,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:29:34,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 09:29:34,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:29:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:29:34,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472091544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:34,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:29:34,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-06 09:29:34,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907803366] [2021-06-06 09:29:34,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 09:29:34,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:29:34,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 09:29:34,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-06-06 09:29:34,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:34,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:29:34,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 25 states have internal predecessors, (34), 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) [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:34,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:29:34,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:29:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:29:35,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1522,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:29:35,545 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:29:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:29:35,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1238424150, now seen corresponding path program 15 times [2021-06-06 09:29:35,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:29:35,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196112916] [2021-06-06 09:29:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:29:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:29:35,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:29:35,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196112916] [2021-06-06 09:29:35,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196112916] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:35,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977332908] [2021-06-06 09:29:35,767 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 [2021-06-06 09:29:35,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-06 09:29:35,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:29:35,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 09:29:35,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:29:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:29:36,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977332908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:36,103 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:29:36,103 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-06 09:29:36,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763187996] [2021-06-06 09:29:36,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 09:29:36,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:29:36,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 09:29:36,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-06 09:29:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:36,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:29:36,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 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) [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:29:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:29:36,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:29:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:29:36,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:29:36,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1523 [2021-06-06 09:29:36,852 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:29:36,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:29:36,852 INFO L82 PathProgramCache]: Analyzing trace with hash 327807110, now seen corresponding path program 16 times [2021-06-06 09:29:36,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:29:36,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80773571] [2021-06-06 09:29:36,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:29:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:29:37,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:29:37,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80773571] [2021-06-06 09:29:37,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80773571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:37,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829266375] [2021-06-06 09:29:37,074 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 [2021-06-06 09:29:37,103 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:29:37,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:29:37,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 09:29:37,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:29:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:29:37,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829266375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:37,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:29:37,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-06 09:29:37,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214169975] [2021-06-06 09:29:37,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 09:29:37,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:29:37,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 09:29:37,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-06-06 09:29:37,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:37,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:29:37,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 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) [2021-06-06 09:29:37,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:37,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:29:37,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 09:29:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 09:29:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 09:29:38,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-06-06 09:29:38,129 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:29:38,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:29:38,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1636335914, now seen corresponding path program 17 times [2021-06-06 09:29:38,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:29:38,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316208625] [2021-06-06 09:29:38,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:29:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:29:38,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:29:38,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316208625] [2021-06-06 09:29:38,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316208625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:38,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924801085] [2021-06-06 09:29:38,289 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:29:38,323 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-06 09:29:38,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:29:38,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-06 09:29:38,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:29:39,520 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-06-06 09:29:39,521 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:29:39,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-06-06 09:29:41,364 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-06 09:29:41,531 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 331 [2021-06-06 09:29:43,301 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 307 [2021-06-06 09:29:43,533 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 379 [2021-06-06 09:29:43,827 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 413 [2021-06-06 09:29:44,382 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 526 [2021-06-06 09:29:45,683 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-06-06 09:29:47,070 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 323 [2021-06-06 09:29:47,316 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 402 [2021-06-06 09:29:47,893 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 513 [2021-06-06 09:29:48,542 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 545 [2021-06-06 09:29:49,891 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 355 [2021-06-06 09:29:50,920 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 294 [2021-06-06 09:29:51,300 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 441 [2021-06-06 09:29:51,760 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 474 [2021-06-06 09:29:52,977 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1000 DAG size of output: 761 [2021-06-06 09:29:55,006 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1025 [2021-06-06 09:29:57,073 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1035 [2021-06-06 09:29:59,445 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1067 [2021-06-06 09:30:02,149 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1404 DAG size of output: 1101 [2021-06-06 09:30:03,331 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 351 [2021-06-06 09:30:04,187 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 306 [2021-06-06 09:30:04,526 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 448 [2021-06-06 09:30:04,955 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 481 [2021-06-06 09:30:06,475 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 301 [2021-06-06 09:30:06,700 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 373 [2021-06-06 09:30:06,981 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 407 [2021-06-06 09:30:07,809 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 649 [2021-06-06 09:30:09,044 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-06-06 09:30:09,153 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 319 [2021-06-06 09:30:09,404 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 398 [2021-06-06 09:30:10,738 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 343 [2021-06-06 09:30:11,255 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 525 [2021-06-06 09:30:11,866 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 557 [2021-06-06 09:30:12,494 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 286 [2021-06-06 09:30:12,613 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 325 [2021-06-06 09:30:13,296 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 311 [2021-06-06 09:30:13,431 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 351 [2021-06-06 09:30:13,740 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 443 [2021-06-06 09:30:14,420 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 314 [2021-06-06 09:30:15,268 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 390 [2021-06-06 09:30:15,916 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 595 [2021-06-06 09:30:16,699 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 626 [2021-06-06 09:30:18,265 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1116 DAG size of output: 898 [2021-06-06 09:30:21,040 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1544 DAG size of output: 1253 [2021-06-06 09:30:23,806 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1554 DAG size of output: 1263 [2021-06-06 09:30:27,007 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 1584 DAG size of output: 1293 [2021-06-06 09:30:30,626 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 1616 DAG size of output: 1326 [2021-06-06 09:30:37,770 WARN L205 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 2667 DAG size of output: 2084 [2021-06-06 09:30:45,731 WARN L205 SmtUtils]: Spent 7.95 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-06-06 09:30:53,853 WARN L205 SmtUtils]: Spent 8.11 s on a formula simplification. DAG size of input: 2697 DAG size of output: 2115 [2021-06-06 09:31:03,463 WARN L205 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 2722 DAG size of output: 2140 [2021-06-06 09:31:26,868 WARN L205 SmtUtils]: Spent 23.39 s on a formula simplification. DAG size of input: 2142 DAG size of output: 3536 [2021-06-06 09:31:28,881 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2084 [2021-06-06 09:31:32,006 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1844 [2021-06-06 09:31:38,183 WARN L205 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1538 [2021-06-06 09:31:45,350 WARN L205 SmtUtils]: Spent 7.16 s on a formula simplification. DAG size of input: 1306 DAG size of output: 2171 [2021-06-06 09:31:51,796 WARN L205 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 1272 DAG size of output: 1665 [2021-06-06 09:31:59,139 WARN L205 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 1269 DAG size of output: 1672 [2021-06-06 09:31:59,400 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1203 [2021-06-06 09:32:00,047 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 373 [2021-06-06 09:32:00,203 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 402 [2021-06-06 09:32:00,394 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2021-06-06 09:32:01,080 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 360 [2021-06-06 09:32:01,228 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 394 [2021-06-06 09:32:01,644 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 665 [2021-06-06 09:32:02,069 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 678 [2021-06-06 09:32:02,609 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2021-06-06 09:32:02,742 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 381 [2021-06-06 09:32:02,910 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 412 [2021-06-06 09:32:03,674 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 370 [2021-06-06 09:32:04,042 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 634 [2021-06-06 09:32:04,416 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 646 [2021-06-06 09:32:05,354 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 1205 DAG size of output: 1143 [2021-06-06 09:32:06,107 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 395 [2021-06-06 09:32:06,264 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2021-06-06 09:32:07,123 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 421 [2021-06-06 09:32:07,313 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 433 [2021-06-06 09:32:07,727 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 682 [2021-06-06 09:32:09,147 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1601 [2021-06-06 09:32:09,733 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 314 [2021-06-06 09:32:09,850 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 324 [2021-06-06 09:32:10,593 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 345 [2021-06-06 09:32:10,734 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 356 [2021-06-06 09:32:11,049 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 525 [2021-06-06 09:32:11,813 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 341 [2021-06-06 09:32:12,296 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 713 [2021-06-06 09:32:14,505 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 2072 DAG size of output: 1911 [2021-06-06 09:32:18,792 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 1178 DAG size of output: 1596 [2021-06-06 09:32:22,304 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1398 [2021-06-06 09:32:24,855 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1312 [2021-06-06 09:32:28,384 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1408 [2021-06-06 09:32:28,609 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1091 [2021-06-06 09:32:29,549 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 350 [2021-06-06 09:32:29,783 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 386 [2021-06-06 09:32:30,047 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 412 [2021-06-06 09:32:30,772 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 303 [2021-06-06 09:32:30,954 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 332 [2021-06-06 09:32:31,487 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 597 [2021-06-06 09:32:31,786 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 457 [2021-06-06 09:32:32,071 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 444 [2021-06-06 09:32:32,316 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 281 [2021-06-06 09:32:33,245 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-06-06 09:32:33,701 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 239 [2021-06-06 09:32:34,099 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-06-06 09:32:34,523 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 419 [2021-06-06 09:32:35,144 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 245 [2021-06-06 09:32:35,844 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 243 [2021-06-06 09:32:36,028 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 308 [2021-06-06 09:32:36,403 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 402 [2021-06-06 09:32:37,320 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 586 [2021-06-06 09:32:38,499 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 610 DAG size of output: 648 [2021-06-06 09:32:39,411 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2021-06-06 09:32:39,648 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 270 [2021-06-06 09:32:39,940 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 308 [2021-06-06 09:32:40,631 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-06 09:32:41,152 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-06-06 09:32:43,157 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 849 DAG size of output: 882 [2021-06-06 09:32:43,468 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 410 [2021-06-06 09:32:43,674 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 342 [2021-06-06 09:32:45,075 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2021-06-06 09:32:45,289 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 338 [2021-06-06 09:32:45,827 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-06 09:32:46,224 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 412 [2021-06-06 09:32:46,783 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 515 [2021-06-06 09:32:47,436 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 526 [2021-06-06 09:32:48,091 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 236 [2021-06-06 09:32:48,727 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2021-06-06 09:32:49,012 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 377 [2021-06-06 09:32:49,936 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 302 [2021-06-06 09:32:50,687 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 281 [2021-06-06 09:32:51,014 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 377 [2021-06-06 09:32:51,719 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 587 [2021-06-06 09:32:53,272 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 946 DAG size of output: 855 [2021-06-06 09:32:55,232 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1051 DAG size of output: 957 [2021-06-06 09:32:55,475 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 290 [2021-06-06 09:32:55,589 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 285 [2021-06-06 09:32:56,708 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 316 [2021-06-06 09:32:56,961 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 389 [2021-06-06 09:32:57,261 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 405 [2021-06-06 09:32:57,818 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 267 [2021-06-06 09:32:58,009 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 320 [2021-06-06 09:32:58,525 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 281 [2021-06-06 09:32:58,832 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-06-06 09:32:59,519 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 562 [2021-06-06 09:33:00,141 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 292 [2021-06-06 09:33:00,792 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 318 [2021-06-06 09:33:01,077 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 410 [2021-06-06 09:33:01,839 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 320 [2021-06-06 09:33:02,288 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2021-06-06 09:33:02,413 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 300 [2021-06-06 09:33:02,721 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 418 [2021-06-06 09:33:03,382 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 566 [2021-06-06 09:33:04,891 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1051 DAG size of output: 864 [2021-06-06 09:33:06,741 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1113 DAG size of output: 917 [2021-06-06 09:33:07,856 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 284 [2021-06-06 09:33:08,073 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 359 [2021-06-06 09:33:08,650 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 296 [2021-06-06 09:33:09,303 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 375 [2021-06-06 09:33:09,819 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 503 [2021-06-06 09:33:10,509 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 235 [2021-06-06 09:33:10,689 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 264 [2021-06-06 09:33:11,176 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 242 [2021-06-06 09:33:11,499 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 325 [2021-06-06 09:33:11,961 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 438 [2021-06-06 09:33:13,058 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 749 DAG size of output: 750 [2021-06-06 09:33:14,410 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 800 DAG size of output: 800 [2021-06-06 09:33:18,080 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 1555 DAG size of output: 1414 [2021-06-06 09:33:24,566 WARN L205 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 2320 DAG size of output: 2079 [2021-06-06 09:33:32,363 WARN L205 SmtUtils]: Spent 7.79 s on a formula simplification. DAG size of input: 2889 DAG size of output: 2253 [2021-06-06 09:33:32,830 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 243 [2021-06-06 09:33:32,937 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2021-06-06 09:33:33,062 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2021-06-06 09:33:42,141 WARN L205 SmtUtils]: Spent 9.07 s on a formula simplification. DAG size of input: 3026 DAG size of output: 2377 [2021-06-06 09:33:42,709 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 514 [2021-06-06 09:33:43,432 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-06 09:33:44,282 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2021-06-06 09:33:44,490 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-06-06 09:33:44,768 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 311 [2021-06-06 09:33:45,266 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 380 [2021-06-06 09:33:45,449 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 316 [2021-06-06 09:33:45,588 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 323 [2021-06-06 09:33:45,709 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 303 [2021-06-06 09:33:46,483 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 305 [2021-06-06 09:33:47,019 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 256 [2021-06-06 09:33:47,520 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-06-06 09:33:47,880 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 436 [2021-06-06 09:33:48,652 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2021-06-06 09:33:48,811 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 306 [2021-06-06 09:33:49,561 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 300 [2021-06-06 09:33:49,903 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 430 [2021-06-06 09:33:50,696 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 618 [2021-06-06 09:33:50,815 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 307 [2021-06-06 09:33:51,540 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 283 [2021-06-06 09:33:51,685 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 302 [2021-06-06 09:33:52,415 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 279 [2021-06-06 09:33:52,769 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 420 [2021-06-06 09:33:52,909 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 358 [2021-06-06 09:33:53,681 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 302 [2021-06-06 09:33:53,791 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 332 [2021-06-06 09:33:53,919 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 316 [2021-06-06 09:33:54,366 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 294 [2021-06-06 09:33:54,612 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 346 [2021-06-06 09:33:55,012 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 442 [2021-06-06 09:33:55,860 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 616 [2021-06-06 09:33:57,684 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1144 DAG size of output: 978 [2021-06-06 09:33:59,957 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1236 DAG size of output: 1068 [2021-06-06 09:34:02,256 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1461 DAG size of output: 976 [2021-06-06 09:34:05,270 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1567 DAG size of output: 1074 [2021-06-06 09:34:05,612 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 389 [2021-06-06 09:34:05,810 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 388 [2021-06-06 09:34:06,011 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 388 [2021-06-06 09:34:06,226 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 435 [2021-06-06 09:34:06,520 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 446 [2021-06-06 09:34:06,652 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 370 [2021-06-06 09:34:06,840 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 386 [2021-06-06 09:34:07,411 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 300 [2021-06-06 09:34:07,631 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 352 [2021-06-06 09:34:08,085 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 455 [2021-06-06 09:34:08,336 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 373 [2021-06-06 09:34:09,044 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 293 [2021-06-06 09:34:09,331 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 308 [2021-06-06 09:34:09,696 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 401 [2021-06-06 09:34:10,519 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 636 [2021-06-06 09:34:10,758 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 459 [2021-06-06 09:34:11,085 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 466 [2021-06-06 09:34:12,071 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 340 [2021-06-06 09:34:12,513 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-06 09:34:12,987 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 497 [2021-06-06 09:34:13,250 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 393 [2021-06-06 09:34:13,366 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 347 [2021-06-06 09:34:13,538 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 348 [2021-06-06 09:34:14,078 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 261 [2021-06-06 09:34:14,282 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 319 [2021-06-06 09:34:14,677 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 408 [2021-06-06 09:34:15,541 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 681 [2021-06-06 09:34:17,432 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1233 DAG size of output: 968 [2021-06-06 09:34:17,642 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 384 [2021-06-06 09:34:17,878 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 451 [2021-06-06 09:34:18,343 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 249 [2021-06-06 09:34:18,901 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 287 [2021-06-06 09:34:19,179 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-06-06 09:34:19,757 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 408 [2021-06-06 09:34:20,089 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 462 [2021-06-06 09:34:20,220 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 378 [2021-06-06 09:34:20,438 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 394 [2021-06-06 09:34:21,065 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 305 [2021-06-06 09:34:21,296 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 357 [2021-06-06 09:34:21,758 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 462 [2021-06-06 09:34:22,593 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 641 [2021-06-06 09:34:22,816 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 427 [2021-06-06 09:34:23,692 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-06-06 09:34:24,286 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 307 [2021-06-06 09:34:24,605 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 381 [2021-06-06 09:34:25,048 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 443 [2021-06-06 09:34:25,296 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 369 [2021-06-06 09:34:26,085 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 279 [2021-06-06 09:34:26,274 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 308 [2021-06-06 09:34:26,660 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 399 [2021-06-06 09:34:27,468 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 623 [2021-06-06 09:34:29,280 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1208 DAG size of output: 945 [2021-06-06 09:34:33,427 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 1884 DAG size of output: 1436 [2021-06-06 09:34:38,482 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1581 [2021-06-06 09:34:39,285 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 293 [2021-06-06 09:34:39,462 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 304 [2021-06-06 09:34:45,460 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 2189 DAG size of output: 1741 [2021-06-06 09:34:55,567 WARN L205 SmtUtils]: Spent 10.09 s on a formula simplification. DAG size of input: 3225 DAG size of output: 2355 [2021-06-06 09:35:16,367 WARN L205 SmtUtils]: Spent 20.78 s on a formula simplification. DAG size of input: 5151 DAG size of output: 3699 [2021-06-06 09:35:40,107 WARN L205 SmtUtils]: Spent 23.71 s on a formula simplification. DAG size of input: 5285 DAG size of output: 3839 [2021-06-06 09:35:40,973 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 218 [2021-06-06 09:35:41,121 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-06-06 09:35:41,681 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 438 [2021-06-06 09:35:42,844 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-06-06 09:35:43,369 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 252 [2021-06-06 09:35:43,831 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 318 [2021-06-06 09:35:44,297 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 459 [2021-06-06 09:35:44,886 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 514 [2021-06-06 09:35:45,430 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-06-06 09:35:46,342 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 702 [2021-06-06 09:35:47,006 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 207 [2021-06-06 09:35:47,341 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 260 [2021-06-06 09:35:48,112 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 274 [2021-06-06 09:35:48,520 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 405 [2021-06-06 09:35:49,014 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 460 [2021-06-06 09:35:49,557 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 338 [2021-06-06 09:35:50,329 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 635 [2021-06-06 09:35:51,311 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 679 [2021-06-06 09:35:53,474 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 937 DAG size of output: 1011 [2021-06-06 09:35:54,359 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 292 [2021-06-06 09:35:54,851 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 385 [2021-06-06 09:35:55,842 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2021-06-06 09:35:56,096 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 316 [2021-06-06 09:35:56,648 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 408 [2021-06-06 09:35:57,504 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 569 [2021-06-06 09:36:00,456 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1222 [2021-06-06 09:36:00,770 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 376 [2021-06-06 09:36:00,998 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 363 [2021-06-06 09:36:01,212 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 418 [2021-06-06 09:36:01,501 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 373 [2021-06-06 09:36:02,073 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 292 [2021-06-06 09:36:02,284 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 331 [2021-06-06 09:36:03,119 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 282 [2021-06-06 09:36:03,465 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 431 [2021-06-06 09:36:03,653 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 394 [2021-06-06 09:36:04,470 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 280 [2021-06-06 09:36:05,385 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 278 [2021-06-06 09:36:05,555 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 315 [2021-06-06 09:36:05,884 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 414 [2021-06-06 09:36:06,646 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 627 [2021-06-06 09:36:06,836 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-06-06 09:36:07,031 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-06-06 09:36:07,906 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-06 09:36:08,075 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-06-06 09:36:08,890 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-06-06 09:36:09,205 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-06-06 09:36:09,416 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-06-06 09:36:10,244 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 280 [2021-06-06 09:36:10,527 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-06-06 09:36:11,084 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-06 09:36:11,287 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-06-06 09:36:11,643 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 430 [2021-06-06 09:36:12,402 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 624 [2021-06-06 09:36:14,102 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1154 DAG size of output: 777 [2021-06-06 09:36:16,268 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1272 DAG size of output: 894 [2021-06-06 09:36:22,229 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 2242 DAG size of output: 1906 [2021-06-06 09:36:22,648 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 436 [2021-06-06 09:36:22,941 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 374 [2021-06-06 09:36:23,156 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 359 [2021-06-06 09:36:23,351 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 414 [2021-06-06 09:36:23,615 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 369 [2021-06-06 09:36:24,164 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 293 [2021-06-06 09:36:24,373 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 328 [2021-06-06 09:36:25,158 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 277 [2021-06-06 09:36:25,501 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 427 [2021-06-06 09:36:25,678 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 390 [2021-06-06 09:36:26,470 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 276 [2021-06-06 09:36:27,329 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-06 09:36:27,494 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 313 [2021-06-06 09:36:27,814 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 409 [2021-06-06 09:36:28,555 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 621 [2021-06-06 09:36:28,750 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 361 [2021-06-06 09:36:28,963 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 416 [2021-06-06 09:36:29,784 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 279 [2021-06-06 09:36:30,062 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 371 [2021-06-06 09:36:30,645 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 293 [2021-06-06 09:36:30,859 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 330 [2021-06-06 09:36:31,201 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 429 [2021-06-06 09:36:31,392 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 392 [2021-06-06 09:36:32,274 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 280 [2021-06-06 09:36:32,440 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 315 [2021-06-06 09:36:33,253 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 278 [2021-06-06 09:36:33,566 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 411 [2021-06-06 09:36:34,331 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 865 DAG size of output: 623 [2021-06-06 09:36:36,026 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1157 DAG size of output: 759 [2021-06-06 09:36:38,221 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1275 DAG size of output: 876 [2021-06-06 09:36:39,120 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 285 [2021-06-06 09:36:39,585 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 380 [2021-06-06 09:36:40,752 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 253 [2021-06-06 09:36:41,010 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 304 [2021-06-06 09:36:41,390 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 399 [2021-06-06 09:36:42,253 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 560 [2021-06-06 09:36:43,294 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 269 [2021-06-06 09:36:44,021 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 265 [2021-06-06 09:36:44,397 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2021-06-06 09:36:44,886 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 446 [2021-06-06 09:36:45,375 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 329 [2021-06-06 09:36:46,140 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 623 [2021-06-06 09:36:47,091 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 675 [2021-06-06 09:36:48,214 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 307 [2021-06-06 09:36:48,710 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 241 [2021-06-06 09:36:49,263 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-06-06 09:36:49,725 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 431 [2021-06-06 09:36:50,318 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 484 [2021-06-06 09:36:51,720 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 681 [2021-06-06 09:36:53,841 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 960 DAG size of output: 1007 [2021-06-06 09:36:56,825 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 1227 DAG size of output: 1204 [2021-06-06 09:37:02,747 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 2273 DAG size of output: 1873 [2021-06-06 09:37:15,629 WARN L205 SmtUtils]: Spent 12.87 s on a formula simplification. DAG size of input: 3626 DAG size of output: 3012 [2021-06-06 09:37:30,560 WARN L205 SmtUtils]: Spent 14.91 s on a formula simplification. DAG size of input: 3733 DAG size of output: 3114 [2021-06-06 09:37:47,811 WARN L205 SmtUtils]: Spent 17.23 s on a formula simplification. DAG size of input: 3858 DAG size of output: 3216 [2021-06-06 09:38:33,957 WARN L205 SmtUtils]: Spent 46.12 s on a formula simplification. DAG size of input: 8350 DAG size of output: 6493 [2021-06-06 09:38:36,315 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 765 DAG size of output: 1165 [2021-06-06 09:38:37,232 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 801 [2021-06-06 09:38:39,541 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 760 DAG size of output: 1013 [2021-06-06 09:38:41,409 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 753 DAG size of output: 864 [2021-06-06 09:38:42,702 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2021-06-06 09:38:43,467 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 261 [2021-06-06 09:38:43,811 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 383 [2021-06-06 09:38:44,578 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 259 [2021-06-06 09:38:45,507 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2021-06-06 09:38:45,858 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-06-06 09:38:46,650 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 547 [2021-06-06 09:38:46,887 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 298 [2021-06-06 09:38:47,686 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 271 [2021-06-06 09:38:48,326 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2021-06-06 09:38:48,510 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 277 [2021-06-06 09:38:48,832 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 395 [2021-06-06 09:38:49,346 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 478 [2021-06-06 09:38:50,266 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 288 [2021-06-06 09:38:50,996 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-06-06 09:38:51,362 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 402 [2021-06-06 09:38:51,941 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 471 [2021-06-06 09:38:52,944 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 747 [2021-06-06 09:38:54,143 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 828 DAG size of output: 750 [2021-06-06 09:38:55,029 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-06-06 09:38:55,865 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 213 [2021-06-06 09:38:56,214 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 352 [2021-06-06 09:38:56,676 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 423 [2021-06-06 09:38:57,283 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 238 [2021-06-06 09:38:57,430 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 288 [2021-06-06 09:38:57,906 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 333 [2021-06-06 09:38:58,449 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2021-06-06 09:38:58,627 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 284 [2021-06-06 09:38:59,194 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 338 [2021-06-06 09:38:59,696 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 451 [2021-06-06 09:39:00,781 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 728 DAG size of output: 652 [2021-06-06 09:39:03,384 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1113 [2021-06-06 09:39:06,095 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1618 DAG size of output: 1151 [2021-06-06 09:39:09,272 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 1690 DAG size of output: 1217 [2021-06-06 09:39:10,579 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2021-06-06 09:39:11,215 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-06-06 09:39:11,539 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 365 [2021-06-06 09:39:12,002 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 468 [2021-06-06 09:39:12,552 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 489 [2021-06-06 09:39:13,265 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 292 [2021-06-06 09:39:13,940 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 274 [2021-06-06 09:39:14,221 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 396 [2021-06-06 09:39:14,851 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2021-06-06 09:39:14,983 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 280 [2021-06-06 09:39:15,665 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 294 [2021-06-06 09:39:15,956 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 402 [2021-06-06 09:39:16,632 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 550 [2021-06-06 09:39:18,034 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 842 DAG size of output: 808 [2021-06-06 09:39:19,159 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 305 [2021-06-06 09:39:20,218 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 301 [2021-06-06 09:39:20,617 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 388 [2021-06-06 09:39:21,513 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 198 [2021-06-06 09:39:21,717 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2021-06-06 09:39:22,073 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 311 [2021-06-06 09:39:22,892 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 545 [2021-06-06 09:39:24,790 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1181 DAG size of output: 920 [2021-06-06 09:39:27,039 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1221 DAG size of output: 955 [2021-06-06 09:39:33,313 WARN L205 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 2494 DAG size of output: 1879 [2021-06-06 09:39:41,519 WARN L205 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2341 [2021-06-06 09:39:42,042 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 406 [2021-06-06 09:39:42,405 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 423 [2021-06-06 09:39:43,197 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 237 [2021-06-06 09:39:43,371 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 278 [2021-06-06 09:39:43,895 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 337 [2021-06-06 09:39:44,788 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 250 [2021-06-06 09:39:44,972 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2021-06-06 09:39:45,240 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 355 [2021-06-06 09:39:45,840 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 442 [2021-06-06 09:39:46,632 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 548 [2021-06-06 09:39:46,924 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 311 [2021-06-06 09:39:47,431 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 279 [2021-06-06 09:39:47,556 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 304 [2021-06-06 09:39:47,806 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 377 [2021-06-06 09:39:48,301 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2021-06-06 09:39:48,458 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 292 [2021-06-06 09:39:48,858 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 467 [2021-06-06 09:39:49,922 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 356 [2021-06-06 09:39:50,205 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 432 [2021-06-06 09:39:50,545 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 454 [2021-06-06 09:39:51,381 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 669 [2021-06-06 09:39:53,272 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 993 DAG size of output: 928 [2021-06-06 09:39:54,478 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 263 [2021-06-06 09:39:54,703 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 314 [2021-06-06 09:39:55,854 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 348 [2021-06-06 09:39:56,378 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 459 [2021-06-06 09:39:57,095 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 579 [2021-06-06 09:39:58,088 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 356 [2021-06-06 09:39:58,392 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 383 [2021-06-06 09:39:58,946 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-06 09:39:59,103 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 285 [2021-06-06 09:39:59,619 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 480 [2021-06-06 09:40:00,500 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 593 [2021-06-06 09:40:01,391 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 617 [2021-06-06 09:40:03,216 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 870 DAG size of output: 884 [2021-06-06 09:40:07,376 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1523 [2021-06-06 09:40:12,361 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1666 [2021-06-06 09:40:13,348 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 254 [2021-06-06 09:40:13,591 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 330 [2021-06-06 09:40:13,963 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 415 [2021-06-06 09:40:14,912 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 260 [2021-06-06 09:40:15,169 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 329 [2021-06-06 09:40:15,528 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 422 [2021-06-06 09:40:16,432 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 559 [2021-06-06 09:40:22,106 WARN L205 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1719 [2021-06-06 09:40:29,142 WARN L205 SmtUtils]: Spent 6.54 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1825 [2021-06-06 09:40:29,835 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 467 [2021-06-06 09:40:30,595 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2021-06-06 09:40:31,342 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 338 [2021-06-06 09:40:31,948 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 445 [2021-06-06 09:40:32,828 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2021-06-06 09:40:33,287 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2021-06-06 09:40:33,589 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 345 [2021-06-06 09:40:34,046 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 466 [2021-06-06 09:40:35,032 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 688 [2021-06-06 09:40:35,745 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-06-06 09:40:35,928 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-06-06 09:40:36,456 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 391 [2021-06-06 09:40:37,009 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 277 [2021-06-06 09:40:37,598 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-06-06 09:40:37,874 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 392 [2021-06-06 09:40:38,472 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 542 [2021-06-06 09:40:38,706 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 279 [2021-06-06 09:40:39,319 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2021-06-06 09:40:40,020 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 394 [2021-06-06 09:40:40,186 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 274 [2021-06-06 09:40:40,670 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 274 [2021-06-06 09:40:40,875 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 329 [2021-06-06 09:40:41,474 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 395 [2021-06-06 09:40:42,151 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 546 [2021-06-06 09:40:43,518 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 816 DAG size of output: 763 [2021-06-06 09:40:46,305 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1122 [2021-06-06 09:40:46,506 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 302 [2021-06-06 09:40:47,563 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 319 [2021-06-06 09:40:48,473 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 242 [2021-06-06 09:40:48,723 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2021-06-06 09:40:49,278 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 500 [2021-06-06 09:40:49,446 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-06-06 09:40:49,952 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-06 09:40:50,383 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-06-06 09:40:50,624 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 291 [2021-06-06 09:40:50,961 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 361 [2021-06-06 09:40:51,801 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-06-06 09:40:52,043 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-06-06 09:40:52,706 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 515 [2021-06-06 09:40:54,075 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 700 DAG size of output: 716 [2021-06-06 09:40:58,251 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 1678 DAG size of output: 1384 [2021-06-06 09:41:03,488 WARN L205 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1603 [2021-06-06 09:41:09,624 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1662 [2021-06-06 09:41:24,144 WARN L205 SmtUtils]: Spent 14.51 s on a formula simplification. DAG size of input: 3341 DAG size of output: 3040 [2021-06-06 09:41:49,683 WARN L205 SmtUtils]: Spent 25.52 s on a formula simplification. DAG size of input: 5467 DAG size of output: 4541 [2021-06-06 09:41:49,829 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2021-06-06 09:41:50,693 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 572 [2021-06-06 09:41:51,166 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 465 [2021-06-06 09:41:51,422 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 298 [2021-06-06 09:41:51,909 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 238 [2021-06-06 09:41:52,475 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 318 [2021-06-06 09:41:52,967 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 297 [2021-06-06 09:41:53,607 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 289 [2021-06-06 09:41:53,932 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 359 [2021-06-06 09:41:54,567 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 513 [2021-06-06 09:41:54,744 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 300 [2021-06-06 09:41:55,256 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 240 [2021-06-06 09:41:55,835 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 320 [2021-06-06 09:41:56,054 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-06 09:41:56,496 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 241 [2021-06-06 09:41:56,727 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 294 [2021-06-06 09:41:57,362 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 364 [2021-06-06 09:41:58,011 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 518 [2021-06-06 09:41:59,479 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 674 DAG size of output: 664 [2021-06-06 09:41:59,669 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 336 [2021-06-06 09:41:59,786 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 363 [2021-06-06 09:42:00,357 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 291 [2021-06-06 09:42:01,028 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-06-06 09:42:01,383 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 403 [2021-06-06 09:42:02,259 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 308 [2021-06-06 09:42:02,831 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 517 [2021-06-06 09:42:02,937 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 351 [2021-06-06 09:42:03,048 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 253 [2021-06-06 09:42:03,604 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 294 [2021-06-06 09:42:03,836 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 358 [2021-06-06 09:42:04,625 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 272 [2021-06-06 09:42:04,828 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 337 [2021-06-06 09:42:05,226 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 398 [2021-06-06 09:42:05,777 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 504 [2021-06-06 09:42:07,035 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 841 DAG size of output: 753 [2021-06-06 09:42:07,196 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 334 [2021-06-06 09:42:07,309 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 361 [2021-06-06 09:42:08,143 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 306 [2021-06-06 09:42:08,819 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 326 [2021-06-06 09:42:09,347 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 287 [2021-06-06 09:42:09,704 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 401 [2021-06-06 09:42:10,258 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 512 [2021-06-06 09:42:11,005 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 294 [2021-06-06 09:42:11,217 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 356 [2021-06-06 09:42:12,164 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 335 [2021-06-06 09:42:12,534 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 396 [2021-06-06 09:42:13,074 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 504 [2021-06-06 09:42:14,289 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 838 DAG size of output: 751 [2021-06-06 09:42:17,060 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1090 [2021-06-06 09:42:21,559 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 1724 DAG size of output: 1328 [2021-06-06 09:42:27,088 WARN L205 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 1886 DAG size of output: 1547 [2021-06-06 09:42:33,994 WARN L205 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 1990 DAG size of output: 1637 [2021-06-06 09:42:34,721 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 492 [2021-06-06 09:42:35,263 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 502 [2021-06-06 09:42:35,530 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 486 [2021-06-06 09:42:35,649 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 414 [2021-06-06 09:42:35,845 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 338 [2021-06-06 09:42:36,463 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 328 [2021-06-06 09:42:37,077 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 348 [2021-06-06 09:42:37,375 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 383 [2021-06-06 09:42:38,205 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 246 [2021-06-06 09:42:38,375 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 288 [2021-06-06 09:42:38,843 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 493 [2021-06-06 09:42:39,087 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 511 [2021-06-06 09:42:39,306 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 315 [2021-06-06 09:42:39,829 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 297 [2021-06-06 09:42:40,253 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2021-06-06 09:42:40,676 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 254 [2021-06-06 09:42:40,808 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 279 [2021-06-06 09:42:41,081 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 368 [2021-06-06 09:42:41,501 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 445 [2021-06-06 09:42:42,315 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 275 [2021-06-06 09:42:42,885 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 548 [2021-06-06 09:42:44,024 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 972 DAG size of output: 741 [2021-06-06 09:42:44,486 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 500 [2021-06-06 09:42:44,721 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 509 [2021-06-06 09:42:45,485 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2021-06-06 09:42:46,119 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 277 [2021-06-06 09:42:46,520 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2021-06-06 09:42:46,793 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 366 [2021-06-06 09:42:46,953 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 313 [2021-06-06 09:42:47,455 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 296 [2021-06-06 09:42:47,869 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 442 [2021-06-06 09:42:48,469 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 541 [2021-06-06 09:42:48,734 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 484 [2021-06-06 09:42:49,281 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 244 [2021-06-06 09:42:49,697 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 286 [2021-06-06 09:42:49,826 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 412 [2021-06-06 09:42:50,406 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 336 [2021-06-06 09:42:51,022 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 328 [2021-06-06 09:42:51,243 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 348 [2021-06-06 09:42:51,534 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 381 [2021-06-06 09:42:52,003 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 489 [2021-06-06 09:42:53,156 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 970 DAG size of output: 734 [2021-06-06 09:42:55,768 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1297 DAG size of output: 956 [2021-06-06 09:42:59,163 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 1469 DAG size of output: 1172 [2021-06-06 09:43:03,126 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 1533 DAG size of output: 1229 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown