/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-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 10:59:22,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 10:59:22,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 10:59:22,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 10:59:22,292 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 [2021-07-10 10:59:22,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 10:59:22,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 10:59:22,330 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 10:59:22,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 10:59:22,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 10:59:22,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 10:59:22,332 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 10:59:22,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 10:59:22,333 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 10:59:22,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 10:59:22,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 10:59:22,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 10:59:22,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 10:59:22,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 10:59:22,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 10:59:22,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 10:59:22,336 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 10:59:22,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 10:59:22,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 10:59:22,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 10:59:22,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 10:59:22,577 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 10:59:22,579 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 10:59:22,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-07-10 10:59:22,579 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-07-10 10:59:22,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 10:59:22,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 10:59:22,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 10:59:22,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 10:59:22,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 10:59:22,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 10:59:22,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 10:59:22,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 10:59:22,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 10:59:22,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... [2021-07-10 10:59:22,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 10:59:22,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 10:59:22,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 10:59:22,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 10:59:22,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 10:59:22,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 10:59:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 10:59:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 10:59:22,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 10:59:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 10:59:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 10:59:22,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 10:59:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 10:59:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 10:59:22,689 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 10:59:22,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 10:59:22,874 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 10:59:22,874 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 10:59:22,875 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:59:22 BoogieIcfgContainer [2021-07-10 10:59:22,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 10:59:22,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 10:59:22,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 10:59:22,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 10:59:22,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 10:59:22" (1/2) ... [2021-07-10 10:59:22,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497d08c1 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 10:59:22, skipping insertion in model container [2021-07-10 10:59:22,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 10:59:22" (2/2) ... [2021-07-10 10:59:22,880 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-07-10 10:59:22,886 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 10:59:22,886 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 10:59:22,886 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 10:59:22,886 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 10:59:22,910 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 10:59:22,927 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 10:59:22,962 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 10:59:22,963 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 10:59:22,963 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 10:59:22,963 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 10:59:22,963 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 10:59:22,963 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 10:59:22,963 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 10:59:22,963 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 10:59:22,992 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:22,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:22,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1117752213, now seen corresponding path program 1 times [2021-07-10 10:59:23,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:23,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074573927] [2021-07-10 10:59:23,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:23,115 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:23,115 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074573927] [2021-07-10 10:59:23,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074573927] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 10:59:23,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 10:59:23,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 10:59:23,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029237383] [2021-07-10 10:59:23,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 10:59:23,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:23,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 10:59:23,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-10 10:59:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:23,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:23,132 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:23,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:23,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 10:59:23,159 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:23,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:23,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1312180789, now seen corresponding path program 1 times [2021-07-10 10:59:23,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:23,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003764709] [2021-07-10 10:59:23,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:23,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:23,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003764709] [2021-07-10 10:59:23,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003764709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:23,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306732509] [2021-07-10 10:59:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:23,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 10:59:23,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:23,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 10:59:23,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:23,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:23,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:23,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-10 10:59:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:23,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306732509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:23,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:23,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-10 10:59:23,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598678104] [2021-07-10 10:59:23,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 10:59:23,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:23,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 10:59:23,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-10 10:59:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:23,399 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:23,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:23,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:23,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:23,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:23,656 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:23,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:23,657 INFO L82 PathProgramCache]: Analyzing trace with hash -669307477, now seen corresponding path program 2 times [2021-07-10 10:59:23,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:23,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254113919] [2021-07-10 10:59:23,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:23,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:23,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254113919] [2021-07-10 10:59:23,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254113919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:23,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602119810] [2021-07-10 10:59:23,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:23,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 10:59:23,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:23,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 10:59:23,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:23,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602119810] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:23,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:23,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 10:59:23,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471739146] [2021-07-10 10:59:23,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 10:59:23,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:23,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 10:59:23,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 10:59:23,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:23,749 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:23,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:23,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:23,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:23,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:23,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:24,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:24,019 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:24,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:24,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1551916118, now seen corresponding path program 1 times [2021-07-10 10:59:24,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:24,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617021115] [2021-07-10 10:59:24,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:24,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:24,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617021115] [2021-07-10 10:59:24,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617021115] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:24,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715675416] [2021-07-10 10:59:24,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:24,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 10:59:24,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:24,253 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:24,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-10 10:59:24,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:24,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:24,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:24,264 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 10:59:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:24,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715675416] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:24,273 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:24,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 10:59:24,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027574437] [2021-07-10 10:59:24,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 10:59:24,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:24,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 10:59:24,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-10 10:59:24,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:24,274 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:24,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:24,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:24,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:24,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:24,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:24,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:24,605 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:24,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:24,605 INFO L82 PathProgramCache]: Analyzing trace with hash 12204620, now seen corresponding path program 2 times [2021-07-10 10:59:24,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:24,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866499480] [2021-07-10 10:59:24,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:24,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:24,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866499480] [2021-07-10 10:59:24,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866499480] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:24,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942947491] [2021-07-10 10:59:24,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:24,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 10:59:24,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:24,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 10:59:24,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:24,847 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:24,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-10 10:59:24,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:24,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:24,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:24,879 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 10:59:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:24,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942947491] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:24,886 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:24,886 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 10:59:24,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179832184] [2021-07-10 10:59:24,887 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 10:59:24,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:24,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 10:59:24,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 10:59:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:24,889 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:24,889 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:24,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:24,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:24,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:24,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:24,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:24,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:25,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:25,197 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:25,197 INFO L82 PathProgramCache]: Analyzing trace with hash -474211562, now seen corresponding path program 3 times [2021-07-10 10:59:25,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:25,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141854823] [2021-07-10 10:59:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:25,247 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:25,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141854823] [2021-07-10 10:59:25,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141854823] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:25,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579690541] [2021-07-10 10:59:25,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:25,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 10:59:25,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:25,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 10:59:25,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:25,314 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:25,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579690541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:25,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:25,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 10:59:25,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586486919] [2021-07-10 10:59:25,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 10:59:25,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:25,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 10:59:25,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 10:59:25,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:25,316 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:25,316 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:25,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:25,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:25,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:25,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:25,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:25,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:25,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:25,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:25,593 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:25,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:25,593 INFO L82 PathProgramCache]: Analyzing trace with hash -990045109, now seen corresponding path program 4 times [2021-07-10 10:59:25,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:25,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424912940] [2021-07-10 10:59:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:25,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:25,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424912940] [2021-07-10 10:59:25,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424912940] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:25,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967487127] [2021-07-10 10:59:25,686 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:25,715 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 10:59:25,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:25,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 10:59:25,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:25,908 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:25,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-10 10:59:25,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:25,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:25,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:25,961 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 10:59:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:25,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967487127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:25,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:25,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 10:59:25,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633079778] [2021-07-10 10:59:25,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 10:59:25,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:25,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 10:59:25,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-07-10 10:59:25,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:25,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:25,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:25,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:25,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:25,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:25,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:25,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:25,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:25,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:26,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 10:59:26,353 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:26,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:26,353 INFO L82 PathProgramCache]: Analyzing trace with hash -284560747, now seen corresponding path program 5 times [2021-07-10 10:59:26,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:26,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379604383] [2021-07-10 10:59:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:26,435 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:26,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379604383] [2021-07-10 10:59:26,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379604383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:26,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24781406] [2021-07-10 10:59:26,436 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:26,472 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 10:59:26,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:26,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 10:59:26,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:26,657 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:26,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-10 10:59:26,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:26,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:26,771 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:26,771 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 10:59:26,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:26,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24781406] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:26,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:26,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 10:59:26,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851327868] [2021-07-10 10:59:26,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 10:59:26,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:26,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 10:59:26,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-07-10 10:59:26,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:26,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:26,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:26,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:26,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:26,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:26,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:26,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:26,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:26,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:26,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:27,195 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-10 10:59:27,197 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:27,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:27,197 INFO L82 PathProgramCache]: Analyzing trace with hash 110617995, now seen corresponding path program 6 times [2021-07-10 10:59:27,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:27,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31964590] [2021-07-10 10:59:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:27,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:27,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31964590] [2021-07-10 10:59:27,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31964590] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:27,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435138000] [2021-07-10 10:59:27,280 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:27,305 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 10:59:27,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:27,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 10:59:27,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:27,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435138000] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:27,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:27,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-07-10 10:59:27,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805639564] [2021-07-10 10:59:27,345 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 10:59:27,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:27,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 10:59:27,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-07-10 10:59:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:27,345 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:27,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:27,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:27,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:27,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:27,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-10 10:59:27,653 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:27,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:27,653 INFO L82 PathProgramCache]: Analyzing trace with hash -40198026, now seen corresponding path program 7 times [2021-07-10 10:59:27,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:27,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967614283] [2021-07-10 10:59:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:27,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:27,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967614283] [2021-07-10 10:59:27,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967614283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:27,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752308317] [2021-07-10 10:59:27,782 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:27,808 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 10:59:27,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:28,125 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:28,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-10 10:59:28,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:28,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:28,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:28,371 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 10:59:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:28,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752308317] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:28,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:28,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 10:59:28,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95997266] [2021-07-10 10:59:28,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 10:59:28,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:28,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 10:59:28,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 10:59:28,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:28,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:28,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:28,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:28,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-10 10:59:28,903 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:28,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1769450988, now seen corresponding path program 8 times [2021-07-10 10:59:28,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:28,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867461628] [2021-07-10 10:59:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:29,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:29,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867461628] [2021-07-10 10:59:29,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867461628] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:29,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970781312] [2021-07-10 10:59:29,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:29,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 10:59:29,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:29,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-10 10:59:29,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:29,403 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:29,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-10 10:59:29,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:29,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:29,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:29,896 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-10 10:59:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:29,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970781312] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:29,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:29,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-10 10:59:29,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977889861] [2021-07-10 10:59:29,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 10:59:29,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:29,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 10:59:29,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-10 10:59:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:29,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:29,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:29,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:30,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:30,463 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-07-10 10:59:30,463 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:30,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:30,464 INFO L82 PathProgramCache]: Analyzing trace with hash 2033995574, now seen corresponding path program 9 times [2021-07-10 10:59:30,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:30,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762592542] [2021-07-10 10:59:30,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:30,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:30,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762592542] [2021-07-10 10:59:30,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762592542] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:30,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764036214] [2021-07-10 10:59:30,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:30,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 10:59:30,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:30,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 10:59:30,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:30,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764036214] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:30,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:30,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 10:59:30,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519504688] [2021-07-10 10:59:30,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 10:59:30,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:30,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 10:59:30,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-07-10 10:59:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:30,641 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:30,641 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:30,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:30,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:30,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:30,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:30,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:30,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:30,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:30,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:30,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:30,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:30,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:30,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 10:59:31,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:31,002 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:31,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:31,002 INFO L82 PathProgramCache]: Analyzing trace with hash -545035221, now seen corresponding path program 10 times [2021-07-10 10:59:31,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:31,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970325370] [2021-07-10 10:59:31,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:31,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:31,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970325370] [2021-07-10 10:59:31,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970325370] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:31,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127799593] [2021-07-10 10:59:31,165 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:31,195 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 10:59:31,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:31,196 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 10:59:31,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:31,692 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 10:59:31,693 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:31,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-10 10:59:33,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:33,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:33,297 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:33,297 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 10:59:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:33,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127799593] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:33,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:33,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 10:59:33,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294562465] [2021-07-10 10:59:33,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 10:59:33,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:33,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 10:59:33,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-10 10:59:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:33,304 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:33,304 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:33,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:33,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:33,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:33,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:33,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 10:59:33,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 10:59:33,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 10:59:34,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-10 10:59:34,028 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:34,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:34,029 INFO L82 PathProgramCache]: Analyzing trace with hash 279241461, now seen corresponding path program 11 times [2021-07-10 10:59:34,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:34,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524678925] [2021-07-10 10:59:34,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:34,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:34,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524678925] [2021-07-10 10:59:34,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524678925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:34,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494503014] [2021-07-10 10:59:34,211 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:34,239 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 10:59:34,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:34,240 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-10 10:59:34,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:34,707 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 10:59:34,707 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:34,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-10 10:59:35,668 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-10 10:59:36,411 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-10 10:59:36,547 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-10 10:59:36,815 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 10:59:37,081 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 10:59:37,392 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-10 10:59:37,817 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-10 10:59:38,436 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 10:59:38,555 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 10:59:38,726 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-10 10:59:39,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 10:59:39,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:39,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 10:59:39,632 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 10:59:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:39,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494503014] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:39,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:39,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 10:59:39,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843091128] [2021-07-10 10:59:39,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 10:59:39,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:39,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 10:59:39,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-07-10 10:59:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:39,638 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:39,638 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:39,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 10:59:39,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:40,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 10:59:40,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 10:59:40,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:40,347 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:40,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:40,348 INFO L82 PathProgramCache]: Analyzing trace with hash 62014827, now seen corresponding path program 12 times [2021-07-10 10:59:40,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:40,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623612045] [2021-07-10 10:59:40,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:40,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:40,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623612045] [2021-07-10 10:59:40,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623612045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:40,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68239073] [2021-07-10 10:59:40,451 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:40,494 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 10:59:40,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 10:59:40,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 10:59:40,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:40,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68239073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:40,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 10:59:40,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-10 10:59:40,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540506985] [2021-07-10 10:59:40,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 10:59:40,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 10:59:40,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 10:59:40,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-10 10:59:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:40,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 10:59:40,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 10:59:40,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 10:59:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 10:59:40,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 10:59:40,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable900,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:40,929 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 10:59:40,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 10:59:40,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1546896234, now seen corresponding path program 13 times [2021-07-10 10:59:40,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 10:59:40,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448001392] [2021-07-10 10:59:40,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 10:59:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 10:59:41,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 10:59:41,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448001392] [2021-07-10 10:59:41,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448001392] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 10:59:41,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033585215] [2021-07-10 10:59:41,146 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 10:59:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 10:59:41,175 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 10:59:41,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 10:59:41,846 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 10:59:41,846 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 10:59:41,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 10:59:42,814 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-10 10:59:42,980 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 10:59:43,155 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 10:59:43,346 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-10 10:59:43,711 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-10 10:59:43,901 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-10 10:59:44,131 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-10 10:59:44,315 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-10 10:59:44,746 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-10 10:59:45,444 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-10 10:59:45,666 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-10 10:59:45,773 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-10 10:59:46,851 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-10 10:59:47,269 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-10 10:59:47,463 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-10 10:59:48,305 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-10 10:59:48,819 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-10 10:59:49,272 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-10 10:59:49,523 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-10 10:59:50,236 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 10:59:50,970 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 10:59:51,768 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-10 10:59:52,711 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-10 10:59:52,882 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-10 10:59:53,683 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-10 10:59:54,010 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-10 10:59:54,426 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-10 10:59:54,891 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 10:59:55,351 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 10:59:55,862 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-10 10:59:56,391 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-10 10:59:56,626 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-10 10:59:56,812 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-10 10:59:57,009 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-10 10:59:57,727 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-10 10:59:58,318 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-10 10:59:58,591 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-10 10:59:59,791 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-10 11:00:00,269 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-10 11:00:01,236 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-10 11:00:02,075 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-10 11:00:03,106 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-10 11:00:04,139 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 11:00:05,135 WARN L205 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 11:00:06,216 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-10 11:00:06,370 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-10 11:00:06,691 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-10 11:00:07,391 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-10 11:00:07,549 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 11:00:07,716 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 11:00:07,880 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-10 11:00:08,048 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-10 11:00:08,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:00:08,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:00:08,352 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:00:08,352 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 11:00:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:00:08,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033585215] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:00:08,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:00:08,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-07-10 11:00:08,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012696940] [2021-07-10 11:00:08,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 11:00:08,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:00:08,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 11:00:08,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 11:00:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:00:08,358 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:00:08,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 11:00:08,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:00:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:00:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:00:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:00:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 11:00:09,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable901,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:00:09,187 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:00:09,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:00:09,187 INFO L82 PathProgramCache]: Analyzing trace with hash 151705996, now seen corresponding path program 14 times [2021-07-10 11:00:09,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:00:09,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006434907] [2021-07-10 11:00:09,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:00:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:00:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:00:09,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:00:09,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006434907] [2021-07-10 11:00:09,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006434907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:00:09,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944641395] [2021-07-10 11:00:09,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:00:09,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:00:09,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:00:09,447 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 11:00:09,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:00:10,202 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-10 11:00:10,202 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:00:10,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-10 11:00:11,406 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-10 11:00:11,567 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-10 11:00:11,763 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-10 11:00:12,968 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-10 11:00:13,148 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-10 11:00:13,384 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-10 11:00:13,911 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-10 11:00:14,435 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-10 11:00:15,084 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-10 11:00:15,821 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-10 11:00:16,677 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 11:00:17,540 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 11:00:18,595 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-10 11:00:20,798 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-10 11:00:22,421 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-10 11:00:23,404 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-10 11:00:24,895 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-10 11:00:25,674 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-10 11:00:25,986 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-10 11:00:26,851 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-10 11:00:26,955 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-10 11:00:27,088 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 11:00:28,058 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-10 11:00:28,241 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-10 11:00:28,422 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-10 11:00:29,233 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-10 11:00:29,543 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-10 11:00:29,924 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-10 11:00:30,987 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-10 11:00:31,148 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-10 11:00:31,640 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-10 11:00:32,093 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-10 11:00:32,255 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-10 11:00:32,461 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-10 11:00:32,612 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-10 11:00:33,225 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-10 11:00:33,542 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-10 11:00:33,659 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-10 11:00:33,813 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-10 11:00:33,963 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-10 11:00:34,533 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-10 11:00:35,134 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-10 11:00:35,292 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-10 11:00:35,523 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-10 11:00:35,832 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-10 11:00:37,087 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-10 11:00:37,240 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-10 11:00:37,700 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-10 11:00:38,694 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-10 11:00:40,095 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-10 11:00:40,276 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-10 11:00:40,468 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-10 11:00:40,606 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-10 11:00:41,399 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-10 11:00:41,556 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-10 11:00:42,807 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-10 11:00:43,035 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-10 11:00:43,474 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2021-07-10 11:00:43,576 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2021-07-10 11:00:44,090 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-10 11:00:44,278 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-10 11:00:44,744 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-10 11:00:45,345 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-10 11:00:46,061 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-10 11:00:47,385 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-10 11:00:47,537 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-10 11:00:47,756 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-10 11:00:48,031 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-10 11:00:48,758 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-10 11:00:49,453 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-10 11:00:49,965 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-10 11:00:50,295 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-10 11:00:50,640 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-10 11:00:51,526 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-10 11:00:51,681 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-10 11:00:52,291 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-10 11:00:53,052 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-10 11:00:54,273 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-10 11:00:56,282 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-10 11:00:57,191 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-10 11:00:57,350 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-10 11:00:57,958 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-10 11:00:58,626 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-10 11:00:58,970 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-10 11:00:59,099 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 11:01:00,047 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-10 11:01:00,861 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-10 11:01:01,049 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-10 11:01:01,460 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-10 11:01:02,453 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-10 11:01:03,006 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-10 11:01:03,458 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-10 11:01:03,702 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-10 11:01:04,260 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-10 11:01:04,685 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-10 11:01:05,104 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-10 11:01:05,872 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-10 11:01:06,200 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-10 11:01:06,992 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-10 11:01:07,955 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-10 11:01:09,390 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-10 11:01:11,684 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-10 11:01:16,378 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-10 11:01:22,712 WARN L205 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-10 11:01:30,620 WARN L205 SmtUtils]: Spent 7.89 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-10 11:01:39,820 WARN L205 SmtUtils]: Spent 9.18 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-10 11:01:41,061 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-10 11:01:41,880 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-10 11:01:42,058 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-10 11:01:42,282 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-10 11:01:43,570 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-10 11:01:44,092 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-10 11:01:44,717 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 11:01:44,838 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 11:01:45,707 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-10 11:01:45,958 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 11:01:46,190 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 11:01:46,608 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-10 11:01:47,333 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-10 11:01:48,025 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-10 11:01:48,216 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-10 11:01:49,098 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-10 11:01:49,325 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-10 11:01:49,756 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-10 11:01:51,061 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-10 11:01:52,520 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-10 11:01:52,952 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-10 11:01:53,074 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-10 11:01:53,293 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-10 11:01:53,893 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-10 11:01:54,164 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-10 11:01:54,636 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-10 11:01:54,745 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-10 11:01:55,280 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-10 11:01:55,824 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-10 11:01:56,707 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-10 11:01:57,067 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-10 11:01:57,839 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-10 11:01:58,462 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-10 11:01:58,611 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-10 11:01:58,864 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-10 11:02:00,094 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-10 11:02:00,625 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-10 11:02:00,971 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-10 11:02:02,162 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-10 11:02:03,558 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-10 11:02:06,734 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-10 11:02:06,986 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-10 11:02:07,090 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-10 11:02:07,606 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 189 [2021-07-10 11:02:07,930 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-10 11:02:08,791 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-10 11:02:08,980 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-10 11:02:09,178 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-10 11:02:09,351 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-10 11:02:09,675 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-10 11:02:10,022 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-10 11:02:10,185 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-10 11:02:10,445 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-10 11:02:10,926 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-10 11:02:11,101 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-10 11:02:11,347 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-10 11:02:11,474 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-10 11:02:12,060 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-10 11:02:12,417 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-10 11:02:12,589 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-10 11:02:12,846 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-10 11:02:13,235 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-10 11:02:13,820 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-10 11:02:13,957 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-10 11:02:14,837 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-10 11:02:15,745 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-10 11:02:15,950 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 11:02:16,151 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 11:02:16,479 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-10 11:02:16,961 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-10 11:02:17,896 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-10 11:02:18,142 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-10 11:02:18,626 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-10 11:02:19,802 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-10 11:02:24,756 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-10 11:02:30,331 WARN L205 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-10 11:02:37,282 WARN L205 SmtUtils]: Spent 6.94 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-10 11:02:45,459 WARN L205 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-10 11:02:46,379 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-10 11:02:47,193 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-10 11:02:47,353 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-10 11:02:48,345 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-10 11:02:48,504 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-10 11:02:48,676 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-10 11:02:48,941 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-10 11:02:49,764 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-10 11:02:50,247 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-10 11:02:50,950 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-10 11:02:51,743 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-10 11:02:53,452 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-10 11:02:53,565 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-10 11:02:53,707 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-10 11:02:53,932 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-10 11:02:54,725 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-10 11:02:55,573 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-10 11:02:55,933 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-10 11:02:56,465 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-10 11:02:57,971 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-10 11:02:59,595 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-10 11:03:01,431 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-10 11:03:12,787 WARN L205 SmtUtils]: Spent 11.35 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-10 11:03:34,893 WARN L205 SmtUtils]: Spent 22.08 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-10 11:03:59,657 WARN L205 SmtUtils]: Spent 24.73 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-10 11:04:00,747 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-10 11:04:00,892 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-10 11:04:02,247 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-10 11:04:02,456 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-10 11:04:02,871 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-10 11:04:03,362 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-10 11:04:31,368 WARN L205 SmtUtils]: Spent 27.99 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-10 11:05:03,148 WARN L205 SmtUtils]: Spent 31.74 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 11:05:34,973 WARN L205 SmtUtils]: Spent 31.79 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 11:06:10,365 WARN L205 SmtUtils]: Spent 35.37 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-10 11:07:03,326 WARN L205 SmtUtils]: Spent 52.92 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-10 11:07:56,342 WARN L205 SmtUtils]: Spent 52.98 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-10 11:08:51,352 WARN L205 SmtUtils]: Spent 54.98 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-10 11:08:58,418 WARN L205 SmtUtils]: Spent 7.05 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-10 11:09:10,762 WARN L205 SmtUtils]: Spent 12.33 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-10 11:09:11,010 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-10 11:09:18,985 WARN L205 SmtUtils]: Spent 7.97 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-10 11:09:19,470 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-10 11:09:19,830 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-10 11:09:24,292 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-10 11:09:24,400 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-10 11:09:24,519 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-10 11:09:25,529 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-10 11:09:25,959 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-10 11:09:26,240 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-10 11:09:27,274 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-10 11:09:27,827 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-10 11:09:28,163 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-10 11:09:29,187 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-10 11:09:29,439 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-10 11:09:29,799 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-10 11:09:30,259 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-10 11:09:31,314 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-10 11:09:31,518 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-10 11:09:32,719 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-10 11:09:32,871 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-10 11:09:33,356 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-10 11:09:33,691 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-10 11:09:33,797 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-10 11:09:35,807 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-10 11:09:36,073 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-10 11:09:36,431 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-10 11:09:37,247 WARN L205 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-10 11:09:39,343 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-10 11:09:41,836 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-10 11:09:44,766 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-10 11:09:49,752 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-10 11:09:50,110 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-10 11:09:50,304 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-10 11:09:51,587 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-10 11:09:51,825 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-10 11:09:52,161 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-10 11:09:57,710 WARN L205 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-10 11:09:58,272 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-10 11:09:59,051 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-10 11:09:59,215 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-10 11:09:59,421 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-10 11:09:59,533 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-10 11:10:00,326 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-10 11:10:00,468 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-10 11:10:01,326 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-10 11:10:01,544 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-10 11:10:01,900 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-10 11:10:02,516 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-10 11:10:03,311 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-10 11:10:10,368 WARN L205 SmtUtils]: Spent 7.05 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-10 11:10:18,451 WARN L205 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-10 11:10:35,012 WARN L205 SmtUtils]: Spent 16.52 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-10 11:10:59,378 WARN L205 SmtUtils]: Spent 24.32 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-10 11:12:06,886 WARN L205 SmtUtils]: Spent 1.12 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-10 11:12:23,891 WARN L205 SmtUtils]: Spent 16.99 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-10 11:12:24,292 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-10 11:12:24,507 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-10 11:12:25,577 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-10 11:12:25,812 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-10 11:12:25,951 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-10 11:12:26,717 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-10 11:12:26,928 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-10 11:12:27,204 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-10 11:12:27,963 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-10 11:12:28,620 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-10 11:12:44,927 WARN L205 SmtUtils]: Spent 16.30 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-10 11:12:51,770 WARN L205 SmtUtils]: Spent 6.83 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-07-10 11:12:56,229 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-07-10 11:12:56,500 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-07-10 11:12:56,743 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-07-10 11:12:56,968 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-07-10 11:12:57,076 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-10 11:12:58,058 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-07-10 11:12:58,287 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-07-10 11:12:58,524 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-07-10 11:12:58,635 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-07-10 11:12:59,592 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-07-10 11:12:59,800 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-07-10 11:13:00,300 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-07-10 11:13:00,956 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-07-10 11:13:01,748 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-07-10 11:13:01,991 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-10 11:13:02,209 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-07-10 11:13:03,511 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-07-10 11:13:03,692 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-07-10 11:13:03,930 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-07-10 11:13:05,236 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-07-10 11:13:05,409 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-07-10 11:13:05,693 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-07-10 11:13:06,250 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-07-10 11:13:06,947 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-07-10 11:13:07,851 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-07-10 11:13:09,713 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-07-10 11:13:10,014 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-07-10 11:13:10,391 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-07-10 11:13:10,520 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-07-10 11:13:11,063 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-07-10 11:13:11,667 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-07-10 11:13:12,316 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-07-10 11:13:12,517 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-07-10 11:13:12,751 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-07-10 11:13:13,081 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-07-10 11:13:13,501 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-07-10 11:13:13,637 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-07-10 11:13:14,014 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-10 11:13:15,143 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-07-10 11:13:15,336 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-07-10 11:13:15,545 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-07-10 11:13:15,832 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-07-10 11:13:16,228 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-07-10 11:13:17,153 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 [2021-07-10 11:13:18,285 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 [2021-07-10 11:13:21,749 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 [2021-07-10 11:13:27,432 WARN L205 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 3337 DAG size of output: 1964 [2021-07-10 11:13:27,671 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 292 [2021-07-10 11:13:27,834 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 226 [2021-07-10 11:13:28,733 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 288 [2021-07-10 11:13:28,938 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 297 [2021-07-10 11:13:34,966 WARN L205 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 3593 DAG size of output: 2151 [2021-07-10 11:13:42,590 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 4090 DAG size of output: 2444 Received shutdown request... [2021-07-10 11:13:58,434 WARN L205 SmtUtils]: Spent 15.82 s on a formula simplification. DAG size of input: 6094 DAG size of output: 3948 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown