/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 06:16:39,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 06:16:39,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 06:16:39,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 06:16:39,272 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 06:16:39,310 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 06:16:39,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 06:16:39,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 06:16:39,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 06:16:39,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 06:16:39,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 06:16:39,313 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 06:16:39,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 06:16:39,313 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 06:16:39,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 06:16:39,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 06:16:39,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 06:16:39,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 06:16:39,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 06:16:39,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 06:16:39,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 06:16:39,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 06:16:39,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 06:16:39,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 06:16:39,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 06:16:39,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 06:16:39,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 06:16:39,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 06:16:39,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:16:39,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 06:16:39,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 06:16:39,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 06:16:39,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 06:16:39,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 06:16:39,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 06:16:39,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 06:16:39,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 06:16:39,317 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 06:16:39,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 06:16:39,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 06:16:39,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 06:16:39,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 06:16:39,632 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 06:16:39,635 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 06:16:39,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-06-17 06:16:39,636 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-06-17 06:16:39,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 06:16:39,989 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 06:16:39,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 06:16:39,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 06:16:39,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 06:16:40,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 06:16:40,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 06:16:40,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 06:16:40,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 06:16:40,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... [2021-06-17 06:16:40,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 06:16:40,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 06:16:40,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 06:16:40,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 06:16:40,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:16:40,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 06:16:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 06:16:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 06:16:40,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 06:16:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 06:16:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 06:16:40,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 06:16:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 06:16:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 06:16:40,173 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 06:16:40,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 06:16:40,531 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-17 06:16:40,532 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 06:16:40,533 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:16:40 BoogieIcfgContainer [2021-06-17 06:16:40,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 06:16:40,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 06:16:40,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 06:16:40,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 06:16:40,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:16:39" (1/2) ... [2021-06-17 06:16:40,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df40777 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 06:16:40, skipping insertion in model container [2021-06-17 06:16:40,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:16:40" (2/2) ... [2021-06-17 06:16:40,540 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-06-17 06:16:40,545 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 06:16:40,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 06:16:40,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 06:16:40,546 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 06:16:40,569 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 06:16:40,588 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 [2021-06-17 06:16:40,653 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 06:16:40,653 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 06:16:40,654 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 06:16:40,654 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 06:16:40,654 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 06:16:40,654 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 06:16:40,654 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 06:16:40,654 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 06:16:40,691 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:40,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:40,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1298021065, now seen corresponding path program 1 times [2021-06-17 06:16:40,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:40,703 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253428614] [2021-06-17 06:16:40,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:40,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:40,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253428614] [2021-06-17 06:16:40,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253428614] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:16:40,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:16:40,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 06:16:40,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889274302] [2021-06-17 06:16:40,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 06:16:40,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:40,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 06:16:40,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-17 06:16:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:40,937 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:40,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:16:40,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:40,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 06:16:40,989 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:40,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:40,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1876900165, now seen corresponding path program 1 times [2021-06-17 06:16:40,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:40,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940712539] [2021-06-17 06:16:40,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:41,235 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2021-06-17 06:16:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:41,276 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:41,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940712539] [2021-06-17 06:16:41,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940712539] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:41,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468368570] [2021-06-17 06:16:41,277 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 [2021-06-17 06:16:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:41,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-17 06:16:41,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:41,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-17 06:16:41,509 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:16:41,512 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:41,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:16:41,513 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-17 06:16:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:41,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468368570] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:41,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:41,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-17 06:16:41,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88671731] [2021-06-17 06:16:41,541 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 06:16:41,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:41,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 06:16:41,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-17 06:16:41,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:41,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:41,543 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) [2021-06-17 06:16:41,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:41,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:41,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:41,826 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:41,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:41,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1515210487, now seen corresponding path program 2 times [2021-06-17 06:16:41,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:41,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589912363] [2021-06-17 06:16:41,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:42,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:42,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589912363] [2021-06-17 06:16:42,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589912363] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:42,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31150827] [2021-06-17 06:16:42,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:42,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:16:42,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:16:42,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-17 06:16:42,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:42,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:42,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-17 06:16:42,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:16:42,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:42,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:16:42,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-17 06:16:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:42,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31150827] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:42,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:42,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-17 06:16:42,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663732980] [2021-06-17 06:16:42,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 06:16:42,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:42,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 06:16:42,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-17 06:16:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:42,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:42,200 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) [2021-06-17 06:16:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:42,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:42,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:42,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:42,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:42,507 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:42,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:42,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1107234939, now seen corresponding path program 3 times [2021-06-17 06:16:42,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:42,508 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144598590] [2021-06-17 06:16:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:42,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:42,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144598590] [2021-06-17 06:16:42,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144598590] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:42,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658391552] [2021-06-17 06:16:42,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:42,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 06:16:42,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:16:42,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 06:16:42,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:42,891 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:42,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-17 06:16:42,903 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:16:42,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:42,905 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:16:42,905 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-17 06:16:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:42,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658391552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:42,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:42,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-17 06:16:42,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727172306] [2021-06-17 06:16:42,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 06:16:42,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:42,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 06:16:42,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-17 06:16:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:42,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:42,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:16:42,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:42,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:42,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:42,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:43,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:43,189 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:43,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:43,190 INFO L82 PathProgramCache]: Analyzing trace with hash -798664521, now seen corresponding path program 4 times [2021-06-17 06:16:43,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:43,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836499216] [2021-06-17 06:16:43,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:43,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:43,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836499216] [2021-06-17 06:16:43,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836499216] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:43,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531536070] [2021-06-17 06:16:43,276 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:43,347 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:16:43,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:16:43,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 06:16:43,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:43,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531536070] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:43,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:43,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-17 06:16:43,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400442529] [2021-06-17 06:16:43,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 06:16:43,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:43,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 06:16:43,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-17 06:16:43,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:43,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:43,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:16:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:43,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:43,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-17 06:16:43,649 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:43,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:43,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1836816026, now seen corresponding path program 1 times [2021-06-17 06:16:43,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:43,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512091440] [2021-06-17 06:16:43,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:43,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:43,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512091440] [2021-06-17 06:16:43,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512091440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:43,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376669175] [2021-06-17 06:16:43,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:43,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 06:16:43,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:44,182 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:44,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-17 06:16:44,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:16:44,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:44,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:16:44,261 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-17 06:16:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:44,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376669175] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:44,268 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:44,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-17 06:16:44,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984577716] [2021-06-17 06:16:44,269 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 06:16:44,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:44,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 06:16:44,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-17 06:16:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:44,275 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:44,275 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) [2021-06-17 06:16:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:44,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:44,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:44,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:44,670 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:44,670 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:44,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:44,671 INFO L82 PathProgramCache]: Analyzing trace with hash 2020244300, now seen corresponding path program 2 times [2021-06-17 06:16:44,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:44,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882542833] [2021-06-17 06:16:44,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:44,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:44,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882542833] [2021-06-17 06:16:44,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882542833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:44,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6739755] [2021-06-17 06:16:44,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:44,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:16:44,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:16:44,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-17 06:16:44,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:45,120 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:45,120 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 [2021-06-17 06:16:45,269 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:16:45,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:45,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:16:45,271 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-17 06:16:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:45,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6739755] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:45,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:45,279 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-17 06:16:45,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356794373] [2021-06-17 06:16:45,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-17 06:16:45,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:45,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-17 06:16:45,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-17 06:16:45,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:45,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:45,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:16:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:45,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:45,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-17 06:16:45,655 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:45,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:45,655 INFO L82 PathProgramCache]: Analyzing trace with hash -883413798, now seen corresponding path program 3 times [2021-06-17 06:16:45,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:45,655 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697829840] [2021-06-17 06:16:45,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:45,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:45,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697829840] [2021-06-17 06:16:45,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697829840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:45,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201588997] [2021-06-17 06:16:45,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:45,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 06:16:45,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:16:45,849 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-17 06:16:45,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:46,173 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:46,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-17 06:16:46,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:16:46,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:46,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:16:46,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-17 06:16:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:46,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201588997] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:46,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:46,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-17 06:16:46,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942839312] [2021-06-17 06:16:46,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 06:16:46,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:46,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 06:16:46,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-06-17 06:16:46,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:46,502 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:46,502 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:16:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:46,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:46,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:46,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:46,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:46,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:46,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:46,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:46,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:46,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:46,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:46,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:46,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-17 06:16:46,855 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:46,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:46,855 INFO L82 PathProgramCache]: Analyzing trace with hash -702501620, now seen corresponding path program 4 times [2021-06-17 06:16:46,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:46,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822190760] [2021-06-17 06:16:46,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:47,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:47,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822190760] [2021-06-17 06:16:47,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822190760] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:47,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797790376] [2021-06-17 06:16:47,016 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:47,062 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:16:47,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:16:47,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-17 06:16:47,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:47,522 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-17 06:16:47,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:47,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-06-17 06:16:48,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:16:48,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:48,330 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:16:48,330 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-17 06:16:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:48,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797790376] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:48,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:48,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-17 06:16:48,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884543319] [2021-06-17 06:16:48,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 06:16:48,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:48,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 06:16:48,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-17 06:16:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:48,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:48,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:16:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:48,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:48,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:48,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:48,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:48,805 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:48,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:48,806 INFO L82 PathProgramCache]: Analyzing trace with hash 610808602, now seen corresponding path program 5 times [2021-06-17 06:16:48,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:48,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885507216] [2021-06-17 06:16:48,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:48,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:48,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885507216] [2021-06-17 06:16:48,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885507216] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:48,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931507774] [2021-06-17 06:16:48,885 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:48,916 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 06:16:48,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:16:48,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 06:16:48,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:48,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931507774] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:48,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:48,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-17 06:16:48,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134126347] [2021-06-17 06:16:48,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 06:16:48,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:48,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 06:16:48,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-06-17 06:16:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:48,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:48,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:16:48,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:48,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:48,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:48,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:49,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:49,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:49,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:16:49,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-06-17 06:16:49,317 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:49,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:49,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1714157417, now seen corresponding path program 6 times [2021-06-17 06:16:49,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:49,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577240454] [2021-06-17 06:16:49,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:49,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:49,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577240454] [2021-06-17 06:16:49,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577240454] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:49,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731995466] [2021-06-17 06:16:49,623 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:49,666 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 06:16:49,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:16:49,667 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-17 06:16:49,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:50,183 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-17 06:16:50,184 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:50,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-17 06:16:52,086 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 209 [2021-06-17 06:16:52,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:16:52,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:52,887 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:16:52,888 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-17 06:16:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:52,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731995466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:52,894 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:16:52,894 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-06-17 06:16:52,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209286587] [2021-06-17 06:16:52,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 06:16:52,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:16:52,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 06:16:52,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-06-17 06:16:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:52,896 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:16:52,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:16:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:52,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:52,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:52,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:52,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:52,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:52,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:16:52,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:16:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:16:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:16:53,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-17 06:16:53,485 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:16:53,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:16:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1951548197, now seen corresponding path program 7 times [2021-06-17 06:16:53,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:16:53,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863309473] [2021-06-17 06:16:53,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:16:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:16:53,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:16:53,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863309473] [2021-06-17 06:16:53,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863309473] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:16:53,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252289198] [2021-06-17 06:16:53,716 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:16:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:16:53,756 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-17 06:16:53,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:16:54,371 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-17 06:16:54,371 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:16:54,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-17 06:16:55,430 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 213 [2021-06-17 06:16:55,660 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-17 06:16:56,543 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-06-17 06:16:56,705 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-17 06:16:56,863 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-17 06:16:57,178 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-17 06:16:57,589 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-17 06:16:57,999 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-17 06:16:58,531 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-17 06:16:58,639 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 202 [2021-06-17 06:16:59,261 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 203 [2021-06-17 06:16:59,436 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-17 06:16:59,564 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-17 06:16:59,768 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-17 06:17:00,696 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 210 [2021-06-17 06:17:00,831 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 210 [2021-06-17 06:17:01,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:17:01,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:17:01,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:17:01,189 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-17 06:17:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:17:01,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252289198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:17:01,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:17:01,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-17 06:17:01,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022861103] [2021-06-17 06:17:01,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-17 06:17:01,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:17:01,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-17 06:17:01,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-06-17 06:17:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:17:01,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:17:01,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:17:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:17:01,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:17:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:17:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:17:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:17:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:17:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:17:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:17:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:17:01,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:17:01,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:17:01,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:17:01,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:17:01,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:17:01,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-17 06:17:01,675 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:17:01,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:17:01,675 INFO L82 PathProgramCache]: Analyzing trace with hash -375694761, now seen corresponding path program 8 times [2021-06-17 06:17:01,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:17:01,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118827928] [2021-06-17 06:17:01,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:17:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:17:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:17:01,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:17:01,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118827928] [2021-06-17 06:17:01,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118827928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:17:01,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303758545] [2021-06-17 06:17:01,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:17:01,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:17:01,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:17:01,985 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-17 06:17:01,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:17:02,669 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-17 06:17:02,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:17:02,669 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 [2021-06-17 06:17:03,797 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-17 06:17:03,972 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-17 06:17:04,169 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-17 06:17:04,369 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-17 06:17:04,746 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-17 06:17:04,952 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-17 06:17:05,195 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-17 06:17:05,395 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-17 06:17:05,898 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-17 06:17:06,538 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 211 [2021-06-17 06:17:06,792 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-17 06:17:07,102 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-17 06:17:07,260 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-17 06:17:08,568 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-17 06:17:09,045 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-17 06:17:09,249 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-17 06:17:10,064 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 232 [2021-06-17 06:17:10,203 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-17 06:17:10,734 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-17 06:17:11,271 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-17 06:17:11,576 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-17 06:17:12,397 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-17 06:17:13,166 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-17 06:17:14,071 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-17 06:17:15,088 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-17 06:17:15,267 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-17 06:17:16,085 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-17 06:17:16,432 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-17 06:17:16,885 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-17 06:17:17,364 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-17 06:17:17,843 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-17 06:17:18,447 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-17 06:17:19,193 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-17 06:17:19,446 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-17 06:17:19,647 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-17 06:17:19,862 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-17 06:17:20,605 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 261 [2021-06-17 06:17:20,737 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-17 06:17:21,281 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 239 [2021-06-17 06:17:21,517 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-17 06:17:21,807 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-17 06:17:22,697 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-17 06:17:23,187 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-17 06:17:23,717 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-17 06:17:24,815 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-17 06:17:25,857 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-17 06:17:27,080 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-17 06:17:28,124 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-17 06:17:29,247 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-17 06:17:30,679 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-17 06:17:30,913 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-17 06:17:31,256 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-17 06:17:32,044 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-17 06:17:32,209 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-17 06:17:32,394 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-17 06:17:32,561 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-17 06:17:32,730 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-17 06:17:33,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:17:33,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:17:33,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:17:33,139 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-17 06:17:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:17:33,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303758545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:17:33,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:17:33,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-17 06:17:33,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028636540] [2021-06-17 06:17:33,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 06:17:33,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:17:33,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 06:17:33,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-17 06:17:33,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:17:33,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:17:33,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:17:33,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:17:33,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:17:33,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:17:33,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:17:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:17:33,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-06-17 06:17:33,638 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:17:33,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:17:33,638 INFO L82 PathProgramCache]: Analyzing trace with hash 494217573, now seen corresponding path program 9 times [2021-06-17 06:17:33,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:17:33,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511079596] [2021-06-17 06:17:33,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:17:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:17:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:17:33,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:17:33,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511079596] [2021-06-17 06:17:33,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511079596] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:17:33,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050149419] [2021-06-17 06:17:33,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:17:33,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-17 06:17:33,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:17:33,986 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-17 06:17:33,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:17:34,780 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-17 06:17:34,780 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:17:34,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-06-17 06:17:36,368 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-17 06:17:36,532 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-17 06:17:36,762 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-17 06:17:38,146 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-17 06:17:38,333 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-17 06:17:38,575 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-17 06:17:39,126 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-17 06:17:39,690 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-17 06:17:40,402 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-17 06:17:41,159 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-17 06:17:42,137 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-17 06:17:43,076 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-17 06:17:44,214 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-17 06:17:46,633 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-17 06:17:48,581 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-17 06:17:49,662 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-17 06:17:51,396 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-17 06:17:52,475 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-17 06:17:52,837 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-17 06:17:53,897 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-17 06:17:54,009 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-17 06:17:54,199 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-17 06:17:55,262 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-17 06:17:55,447 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-17 06:17:55,643 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-17 06:17:56,513 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-17 06:17:56,837 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-17 06:17:57,255 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-17 06:17:58,506 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-17 06:17:58,696 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-17 06:17:59,226 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-17 06:17:59,702 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-17 06:17:59,860 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-17 06:18:00,073 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-17 06:18:00,241 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-17 06:18:00,929 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-17 06:18:01,206 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-17 06:18:01,333 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-17 06:18:01,487 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-17 06:18:01,665 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-17 06:18:02,307 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-17 06:18:03,073 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-17 06:18:03,280 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-17 06:18:03,546 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-17 06:18:03,878 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-17 06:18:05,326 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-17 06:18:05,492 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-17 06:18:06,097 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-17 06:18:07,257 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-17 06:18:08,920 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-17 06:18:09,100 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-17 06:18:09,327 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-17 06:18:09,493 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-17 06:18:10,328 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-17 06:18:10,534 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-17 06:18:10,934 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-06-17 06:18:11,955 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-17 06:18:12,231 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-17 06:18:13,343 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-17 06:18:13,580 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-17 06:18:14,167 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-17 06:18:14,841 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-17 06:18:15,603 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-17 06:18:17,183 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-17 06:18:17,337 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-17 06:18:17,584 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-17 06:18:17,887 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-17 06:18:18,717 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-17 06:18:19,207 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-17 06:18:19,477 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-17 06:18:20,025 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-17 06:18:20,401 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-17 06:18:20,803 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-17 06:18:21,839 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-17 06:18:21,999 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-17 06:18:22,729 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-17 06:18:23,497 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-17 06:18:25,091 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-17 06:18:27,367 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-17 06:18:28,590 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-17 06:18:28,767 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-17 06:18:29,433 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-17 06:18:30,240 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-17 06:18:30,645 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-17 06:18:30,788 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-17 06:18:31,797 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-17 06:18:32,710 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-17 06:18:32,938 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-17 06:18:33,407 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-17 06:18:34,606 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-17 06:18:35,230 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-17 06:18:35,738 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-17 06:18:35,985 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-17 06:18:36,534 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-17 06:18:37,054 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-17 06:18:37,669 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-17 06:18:38,673 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-17 06:18:39,023 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-17 06:18:39,924 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-17 06:18:40,958 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-17 06:18:42,565 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-17 06:18:45,138 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-17 06:18:50,195 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-17 06:18:57,214 WARN L205 SmtUtils]: Spent 7.01 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-17 06:19:05,890 WARN L205 SmtUtils]: Spent 8.65 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-17 06:19:16,611 WARN L205 SmtUtils]: Spent 10.70 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-17 06:19:18,035 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-17 06:19:18,925 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-17 06:19:19,098 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-17 06:19:19,335 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-17 06:19:20,165 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2021-06-17 06:19:20,753 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2021-06-17 06:19:20,950 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-17 06:19:21,589 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-17 06:19:21,708 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 216 [2021-06-17 06:19:22,341 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-17 06:19:22,477 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-17 06:19:23,003 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-06-17 06:19:23,487 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-17 06:19:23,760 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-17 06:19:24,011 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-17 06:19:24,473 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-17 06:19:25,309 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-17 06:19:26,069 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-17 06:19:26,258 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-17 06:19:27,190 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-17 06:19:27,488 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-17 06:19:27,958 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-17 06:19:29,263 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-17 06:19:30,857 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-17 06:19:31,142 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-17 06:19:31,300 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-17 06:19:31,458 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-17 06:19:31,682 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-17 06:19:32,360 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-17 06:19:32,637 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-17 06:19:33,113 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-17 06:19:33,228 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-17 06:19:33,814 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-17 06:19:34,421 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-17 06:19:34,607 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-06-17 06:19:35,347 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-17 06:19:35,754 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-17 06:19:36,616 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-17 06:19:37,374 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-17 06:19:37,533 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-17 06:19:37,786 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-17 06:19:38,367 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-06-17 06:19:39,209 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-17 06:19:39,930 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-17 06:19:40,362 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-17 06:19:41,705 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-17 06:19:43,306 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-17 06:19:46,912 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-17 06:19:47,028 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-17 06:19:47,177 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-17 06:19:47,288 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-17 06:19:48,192 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-17 06:19:49,115 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-17 06:19:49,361 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-17 06:19:49,606 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-17 06:19:49,788 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-17 06:19:50,106 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-17 06:19:50,559 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-17 06:19:50,783 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-17 06:19:51,060 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-17 06:19:51,530 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-17 06:19:51,710 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-17 06:19:51,983 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-17 06:19:52,118 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-17 06:19:52,758 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-17 06:19:53,158 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-17 06:19:53,345 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-17 06:19:53,626 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-17 06:19:54,037 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-17 06:19:54,645 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-17 06:19:54,803 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-17 06:19:55,800 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-17 06:19:56,765 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-17 06:19:56,977 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-17 06:19:57,192 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-17 06:19:57,562 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-17 06:19:58,075 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-17 06:19:59,152 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-17 06:19:59,399 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-17 06:19:59,910 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-17 06:20:01,241 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-17 06:20:07,960 WARN L205 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-17 06:20:15,091 WARN L205 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-17 06:20:24,025 WARN L205 SmtUtils]: Spent 8.91 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-17 06:20:33,958 WARN L205 SmtUtils]: Spent 9.92 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-17 06:20:34,644 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 208 [2021-06-17 06:20:35,018 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-17 06:20:35,964 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-17 06:20:36,203 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-17 06:20:37,535 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-17 06:20:37,688 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-17 06:20:37,910 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-17 06:20:38,305 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-17 06:20:39,233 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-17 06:20:39,879 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-17 06:20:40,597 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-17 06:20:41,449 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-17 06:20:43,253 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-17 06:20:43,375 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-17 06:20:43,609 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-17 06:20:43,905 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-17 06:20:44,645 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-17 06:20:45,529 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-17 06:20:45,910 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-17 06:20:46,456 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-17 06:20:48,120 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-17 06:20:50,110 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-17 06:20:52,416 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-17 06:21:05,517 WARN L205 SmtUtils]: Spent 13.09 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-17 06:21:31,015 WARN L205 SmtUtils]: Spent 25.47 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-17 06:21:59,779 WARN L205 SmtUtils]: Spent 28.73 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-17 06:22:01,043 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-17 06:22:01,267 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-17 06:22:02,056 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 245 [2021-06-17 06:22:02,964 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-17 06:22:03,172 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-17 06:22:03,593 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-17 06:22:04,166 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-17 06:22:36,894 WARN L205 SmtUtils]: Spent 32.71 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-17 06:23:13,656 WARN L205 SmtUtils]: Spent 36.71 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-17 06:23:49,745 WARN L205 SmtUtils]: Spent 36.03 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-17 06:24:31,431 WARN L205 SmtUtils]: Spent 41.66 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-17 06:25:36,724 WARN L205 SmtUtils]: Spent 1.09 m on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-17 06:26:39,854 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-17 06:27:44,543 WARN L205 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-17 06:27:52,458 WARN L205 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-17 06:28:06,260 WARN L205 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-17 06:28:06,535 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-17 06:28:16,189 WARN L205 SmtUtils]: Spent 9.64 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-17 06:28:16,722 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-17 06:28:17,199 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-17 06:28:22,420 WARN L205 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-17 06:28:22,535 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-17 06:28:22,645 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-17 06:28:24,024 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-17 06:28:24,486 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-17 06:28:24,790 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-17 06:28:25,934 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-17 06:28:26,039 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-17 06:28:26,173 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-06-17 06:28:26,623 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-17 06:28:27,004 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-17 06:28:28,192 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-17 06:28:28,465 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-17 06:28:28,956 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-17 06:28:29,555 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-17 06:28:30,966 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-17 06:28:31,259 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-17 06:28:31,397 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-06-17 06:28:32,607 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-17 06:28:32,767 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-17 06:28:33,290 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-17 06:28:33,650 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-17 06:28:35,495 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-17 06:28:35,965 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-17 06:28:36,289 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-17 06:28:36,696 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-17 06:28:37,709 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-17 06:28:40,158 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-17 06:28:43,061 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-17 06:28:46,691 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-17 06:28:53,324 WARN L205 SmtUtils]: Spent 6.62 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-17 06:28:53,903 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-17 06:28:54,112 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-17 06:28:55,534 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-17 06:28:55,782 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-17 06:28:56,137 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-17 06:29:02,100 WARN L205 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-17 06:29:02,783 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-17 06:29:03,529 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-17 06:29:03,683 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-17 06:29:03,943 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-17 06:29:04,072 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-17 06:29:04,806 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-17 06:29:04,954 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-17 06:29:05,649 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 221 [2021-06-17 06:29:05,825 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-06-17 06:29:06,039 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-17 06:29:06,320 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-17 06:29:06,707 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-17 06:29:07,460 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-17 06:29:08,323 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-17 06:29:16,161 WARN L205 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-17 06:29:26,167 WARN L205 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-17 06:29:45,493 WARN L205 SmtUtils]: Spent 19.30 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-17 06:30:15,251 WARN L205 SmtUtils]: Spent 29.70 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown