/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 01:25:03,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 01:25:03,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 01:25:03,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 01:25:03,223 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-NewStatesSleep-NoLbe.epf [2021-07-10 01:25:03,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 01:25:03,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 01:25:03,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 01:25:03,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 01:25:03,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 01:25:03,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 01:25:03,240 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 01:25:03,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 01:25:03,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 01:25:03,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 01:25:03,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 01:25:03,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 01:25:03,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 01:25:03,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 01:25:03,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 01:25:03,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 01:25:03,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 01:25:03,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 01:25:03,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 01:25:03,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 01:25:03,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 01:25:03,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 01:25:03,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 01:25:03,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 01:25:03,243 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 01:25:03,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 01:25:03,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 01:25:03,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 01:25:03,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 01:25:03,554 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 01:25:03,555 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 01:25:03,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-07-10 01:25:03,556 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-07-10 01:25:03,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 01:25:03,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 01:25:03,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 01:25:03,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 01:25:03,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 01:25:03,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 01:25:03,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 01:25:03,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 01:25:03,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 01:25:03,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/1) ... [2021-07-10 01:25:03,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 01:25:03,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 01:25:03,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 01:25:03,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 01:25:03,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (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 01:25:03,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 01:25:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 01:25:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 01:25:03,697 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 01:25:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 01:25:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 01:25:03,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 01:25:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 01:25:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 01:25:03,698 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 01:25:04,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 01:25:04,032 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 01:25:04,033 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 01:25:04,034 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:25:04 BoogieIcfgContainer [2021-07-10 01:25:04,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 01:25:04,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 01:25:04,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 01:25:04,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 01:25:04,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:25:03" (1/2) ... [2021-07-10 01:25:04,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2525d6df and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:25:04, skipping insertion in model container [2021-07-10 01:25:04,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:25:04" (2/2) ... [2021-07-10 01:25:04,039 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-07-10 01:25:04,043 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 01:25:04,043 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 01:25:04,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 01:25:04,043 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 01:25:04,087 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 01:25:04,107 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 01:25:04,169 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 01:25:04,169 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 01:25:04,170 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 01:25:04,170 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 01:25:04,170 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 01:25:04,170 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 01:25:04,170 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 01:25:04,170 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 01:25:04,198 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:04,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:04,202 INFO L82 PathProgramCache]: Analyzing trace with hash 394158217, now seen corresponding path program 1 times [2021-07-10 01:25:04,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:04,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518743090] [2021-07-10 01:25:04,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:04,358 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 01:25:04,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:04,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518743090] [2021-07-10 01:25:04,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518743090] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 01:25:04,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 01:25:04,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 01:25:04,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962735388] [2021-07-10 01:25:04,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 01:25:04,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:04,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 01:25:04,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-10 01:25:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:04,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:04,389 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 01:25:04,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:04,415 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 01:25:04,415 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:04,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:04,415 INFO L82 PathProgramCache]: Analyzing trace with hash 936764839, now seen corresponding path program 1 times [2021-07-10 01:25:04,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:04,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213717260] [2021-07-10 01:25:04,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:04,607 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 01:25:04,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:04,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213717260] [2021-07-10 01:25:04,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213717260] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:04,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372120913] [2021-07-10 01:25:04,608 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 01:25:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:04,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 01:25:04,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:04,826 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 01:25:04,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:04,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:04,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:04,831 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-10 01:25:04,843 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 01:25:04,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372120913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:04,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:04,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 01:25:04,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546303552] [2021-07-10 01:25:04,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 01:25:04,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:04,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 01:25:04,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-10 01:25:04,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:04,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:04,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:04,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:04,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:05,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:05,113 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:05,114 INFO L82 PathProgramCache]: Analyzing trace with hash 577700937, now seen corresponding path program 2 times [2021-07-10 01:25:05,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:05,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315456539] [2021-07-10 01:25:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:05,298 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 01:25:05,299 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:05,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315456539] [2021-07-10 01:25:05,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315456539] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:05,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971303722] [2021-07-10 01:25:05,299 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 01:25:05,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:25:05,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:05,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 01:25:05,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:05,442 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:05,443 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 01:25:05,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:05,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:05,450 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:05,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 01:25:05,462 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 01:25:05,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971303722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:05,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:05,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 01:25:05,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602696694] [2021-07-10 01:25:05,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 01:25:05,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:05,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 01:25:05,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-10 01:25:05,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:05,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:05,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:05,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:05,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:05,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:05,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:05,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:05,763 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:05,763 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:05,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:05,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1963345433, now seen corresponding path program 3 times [2021-07-10 01:25:05,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:05,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062363096] [2021-07-10 01:25:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:05,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:05,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062363096] [2021-07-10 01:25:05,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062363096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:05,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592040151] [2021-07-10 01:25:05,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:05,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 01:25:05,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:05,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 01:25:05,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:06,199 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:06,199 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 01:25:06,221 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:06,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:06,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:06,223 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 01:25:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:06,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592040151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:06,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:06,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 01:25:06,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054601956] [2021-07-10 01:25:06,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 01:25:06,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:06,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 01:25:06,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-10 01:25:06,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:06,237 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:06,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:06,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:06,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:06,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:06,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:06,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:06,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:06,521 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:06,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:06,521 INFO L82 PathProgramCache]: Analyzing trace with hash 868595721, now seen corresponding path program 4 times [2021-07-10 01:25:06,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:06,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658439071] [2021-07-10 01:25:06,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:06,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:06,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658439071] [2021-07-10 01:25:06,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658439071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:06,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242986298] [2021-07-10 01:25:06,578 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:06,627 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:25:06,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:06,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 01:25:06,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:06,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242986298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:06,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:06,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 01:25:06,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432425719] [2021-07-10 01:25:06,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 01:25:06,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:06,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 01:25:06,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-10 01:25:06,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:06,671 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:06,671 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:06,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:06,946 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 01:25:06,947 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:06,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:06,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1982275976, now seen corresponding path program 1 times [2021-07-10 01:25:06,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:06,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442414615] [2021-07-10 01:25:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:07,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:07,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442414615] [2021-07-10 01:25:07,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442414615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:07,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250965682] [2021-07-10 01:25:07,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:07,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 01:25:07,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:07,316 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:07,316 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 01:25:07,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:07,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:07,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:07,367 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 01:25:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:07,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250965682] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:07,372 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:07,372 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-10 01:25:07,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076091524] [2021-07-10 01:25:07,373 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 01:25:07,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:07,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 01:25:07,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-10 01:25:07,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:07,374 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:07,376 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:07,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:07,771 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:07,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash 468459306, now seen corresponding path program 2 times [2021-07-10 01:25:07,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:07,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664720131] [2021-07-10 01:25:07,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:07,879 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:07,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664720131] [2021-07-10 01:25:07,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664720131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:07,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536979270] [2021-07-10 01:25:07,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:07,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:25:07,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:07,909 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 01:25:07,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:08,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:08,149 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 01:25:08,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:08,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:08,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:08,254 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 01:25:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:08,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536979270] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:08,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:08,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 01:25:08,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715789671] [2021-07-10 01:25:08,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 01:25:08,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:08,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 01:25:08,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 01:25:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:08,261 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:08,261 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 01:25:08,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:08,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:08,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:08,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:08,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:08,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:08,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:08,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-10 01:25:08,637 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:08,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:08,637 INFO L82 PathProgramCache]: Analyzing trace with hash 784782792, now seen corresponding path program 3 times [2021-07-10 01:25:08,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:08,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178270646] [2021-07-10 01:25:08,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:08,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:08,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178270646] [2021-07-10 01:25:08,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178270646] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:08,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065298960] [2021-07-10 01:25:08,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:08,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 01:25:08,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:08,812 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 01:25:08,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:09,057 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:09,057 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 01:25:09,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:09,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:09,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:09,355 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 01:25:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:09,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065298960] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:09,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:09,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-10 01:25:09,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264026372] [2021-07-10 01:25:09,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 01:25:09,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:09,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 01:25:09,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-07-10 01:25:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:09,363 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:09,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:09,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-10 01:25:09,805 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:09,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:09,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2000876266, now seen corresponding path program 4 times [2021-07-10 01:25:09,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:09,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684521691] [2021-07-10 01:25:09,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:09,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:09,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684521691] [2021-07-10 01:25:09,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684521691] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:09,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758006086] [2021-07-10 01:25:09,909 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:09,952 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:25:09,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:09,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 01:25:09,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:10,288 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:10,289 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 01:25:10,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:10,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:10,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:10,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-10 01:25:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:10,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758006086] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:10,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:10,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-10 01:25:10,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119472976] [2021-07-10 01:25:10,879 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 01:25:10,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:10,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 01:25:10,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 01:25:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:10,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:10,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:10,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:11,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:11,355 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:11,355 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:11,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:11,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1045068296, now seen corresponding path program 5 times [2021-07-10 01:25:11,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:11,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378134528] [2021-07-10 01:25:11,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:11,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:11,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378134528] [2021-07-10 01:25:11,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378134528] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:11,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092348663] [2021-07-10 01:25:11,429 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:11,457 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 01:25:11,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:11,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 01:25:11,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:11,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092348663] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:11,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:11,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-10 01:25:11,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014915822] [2021-07-10 01:25:11,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 01:25:11,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:11,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 01:25:11,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-10 01:25:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:11,499 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:11,500 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 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:11,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:11,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:11,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:11,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:11,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:25:11,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-07-10 01:25:11,817 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:11,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:11,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1137008791, now seen corresponding path program 6 times [2021-07-10 01:25:11,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:11,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003111182] [2021-07-10 01:25:11,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:11,976 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:11,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003111182] [2021-07-10 01:25:11,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003111182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:11,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549630239] [2021-07-10 01:25:11,977 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:12,024 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 01:25:12,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:12,025 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 01:25:12,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:12,457 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 01:25:12,458 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:12,458 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 01:25:14,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:14,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:14,331 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:14,331 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 01:25:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:14,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549630239] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:14,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:14,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-10 01:25:14,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005226758] [2021-07-10 01:25:14,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 01:25:14,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:14,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 01:25:14,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-10 01:25:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:14,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:14,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:25:14,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:25:14,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:25:15,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-10 01:25:15,025 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:15,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:15,026 INFO L82 PathProgramCache]: Analyzing trace with hash -545466617, now seen corresponding path program 7 times [2021-07-10 01:25:15,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:15,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164667786] [2021-07-10 01:25:15,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:15,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:15,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164667786] [2021-07-10 01:25:15,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164667786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:15,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974111788] [2021-07-10 01:25:15,211 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:15,240 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 01:25:15,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:15,780 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 01:25:15,781 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:15,781 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 01:25:16,816 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-10 01:25:17,572 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-07-10 01:25:17,831 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-10 01:25:18,119 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 01:25:18,422 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 01:25:18,817 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-10 01:25:19,251 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-10 01:25:19,921 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 01:25:20,054 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 01:25:20,236 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-10 01:25:21,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:21,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:21,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:21,344 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 01:25:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:21,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974111788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:21,349 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:21,349 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-10 01:25:21,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041407067] [2021-07-10 01:25:21,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 01:25:21,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:21,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 01:25:21,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-07-10 01:25:21,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:21,350 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:21,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:25:21,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:25:21,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:25:21,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:25:21,985 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-07-10 01:25:21,985 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:21,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:21,986 INFO L82 PathProgramCache]: Analyzing trace with hash 612471593, now seen corresponding path program 8 times [2021-07-10 01:25:21,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:21,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749969007] [2021-07-10 01:25:21,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:22,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:22,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749969007] [2021-07-10 01:25:22,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749969007] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:22,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384737223] [2021-07-10 01:25:22,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:22,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:25:22,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:22,233 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-10 01:25:22,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:22,846 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 01:25:22,847 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:22,847 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 01:25:23,838 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-10 01:25:24,021 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 01:25:24,196 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 01:25:24,392 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-10 01:25:24,788 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-10 01:25:25,016 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-10 01:25:25,295 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-10 01:25:25,514 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-10 01:25:25,985 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-10 01:25:26,098 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-07-10 01:25:26,757 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-10 01:25:27,003 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-10 01:25:27,118 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-10 01:25:28,298 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-10 01:25:28,804 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-10 01:25:29,006 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-10 01:25:29,927 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-10 01:25:30,448 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-10 01:25:30,781 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-07-10 01:25:30,903 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-10 01:25:31,179 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-10 01:25:32,017 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 01:25:32,841 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 01:25:33,794 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-10 01:25:34,860 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-10 01:25:35,051 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-10 01:25:35,904 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-10 01:25:36,263 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-10 01:25:36,701 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-10 01:25:37,266 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 01:25:37,784 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 01:25:38,366 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-10 01:25:38,938 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-10 01:25:39,204 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-10 01:25:39,414 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-10 01:25:39,650 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-10 01:25:40,464 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-10 01:25:41,105 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-10 01:25:41,387 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-10 01:25:42,186 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-10 01:25:42,662 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-10 01:25:43,233 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-10 01:25:44,354 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-10 01:25:45,271 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-10 01:25:46,402 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-10 01:25:47,503 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 01:25:48,617 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 01:25:50,128 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-10 01:25:50,369 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-10 01:25:50,742 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-10 01:25:51,050 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 174 [2021-07-10 01:25:51,579 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-10 01:25:51,763 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 01:25:51,961 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 01:25:52,182 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-10 01:25:52,358 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-10 01:25:52,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:25:52,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:52,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:25:52,749 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 01:25:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:52,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384737223] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:52,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:25:52,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 01:25:52,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125484573] [2021-07-10 01:25:52,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 01:25:52,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:25:52,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 01:25:52,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-10 01:25:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:52,755 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:25:52,756 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 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:25:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:25:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:25:53,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:25:53,475 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-07-10 01:25:53,475 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:25:53,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:25:53,475 INFO L82 PathProgramCache]: Analyzing trace with hash -2146149561, now seen corresponding path program 9 times [2021-07-10 01:25:53,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:25:53,475 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247820391] [2021-07-10 01:25:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:25:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:25:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:25:53,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:25:53,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247820391] [2021-07-10 01:25:53,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247820391] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:25:53,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853360328] [2021-07-10 01:25:53,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:25:53,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 01:25:53,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:25:53,721 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 01:25:53,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:25:54,400 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-10 01:25:54,400 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:25:54,400 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 01:25:55,911 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-10 01:25:56,075 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-10 01:25:56,293 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-10 01:25:57,053 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 244 [2021-07-10 01:25:57,849 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-10 01:25:58,118 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-10 01:25:58,356 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-10 01:25:58,903 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-10 01:25:59,447 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-10 01:26:00,095 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-10 01:26:00,847 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-10 01:26:01,717 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 01:26:02,599 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 01:26:03,685 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-10 01:26:06,005 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-10 01:26:07,750 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-10 01:26:08,775 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-10 01:26:10,332 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-10 01:26:11,175 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-10 01:26:11,498 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-10 01:26:12,415 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-10 01:26:12,531 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-10 01:26:12,674 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 01:26:13,730 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-10 01:26:13,925 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-10 01:26:14,127 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-10 01:26:14,979 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-10 01:26:15,302 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-10 01:26:15,695 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-10 01:26:16,824 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-10 01:26:16,992 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-10 01:26:17,525 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-10 01:26:18,011 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-10 01:26:18,197 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-10 01:26:18,448 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-10 01:26:18,615 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-10 01:26:19,223 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-10 01:26:19,508 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-10 01:26:19,637 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-10 01:26:19,795 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-10 01:26:19,957 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-10 01:26:20,559 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-10 01:26:21,232 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-10 01:26:21,414 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-10 01:26:21,639 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-10 01:26:21,985 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-10 01:26:23,351 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-10 01:26:23,508 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-10 01:26:23,979 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-10 01:26:25,045 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-10 01:26:26,540 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-10 01:26:26,702 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-10 01:26:26,904 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-10 01:26:27,050 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-10 01:26:27,904 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-10 01:26:28,067 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-10 01:26:28,413 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-10 01:26:29,366 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-10 01:26:29,611 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-10 01:26:30,667 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-10 01:26:30,864 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-10 01:26:31,351 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-10 01:26:31,987 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-10 01:26:32,735 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-10 01:26:34,191 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-10 01:26:34,351 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-10 01:26:34,603 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-10 01:26:34,883 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-10 01:26:35,485 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 207 [2021-07-10 01:26:35,620 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-10 01:26:36,080 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-10 01:26:36,324 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-10 01:26:36,858 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-10 01:26:37,207 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-10 01:26:37,582 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-10 01:26:38,530 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-10 01:26:38,698 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-10 01:26:39,342 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-10 01:26:40,116 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-10 01:26:41,440 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-10 01:26:43,567 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-10 01:26:44,560 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-10 01:26:44,729 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-10 01:26:45,361 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-10 01:26:46,061 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-10 01:26:46,433 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-10 01:26:46,571 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 01:26:47,363 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-10 01:26:47,538 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-10 01:26:48,432 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-10 01:26:48,628 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-10 01:26:49,039 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-10 01:26:50,075 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-10 01:26:50,685 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-10 01:26:51,165 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-10 01:26:51,410 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-10 01:26:51,971 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-10 01:26:52,417 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-10 01:26:52,867 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-10 01:26:53,680 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-10 01:26:54,032 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-10 01:26:54,889 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-10 01:26:55,911 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-10 01:26:57,439 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-10 01:27:00,104 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-10 01:27:07,300 WARN L205 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-10 01:27:14,993 WARN L205 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-10 01:27:23,467 WARN L205 SmtUtils]: Spent 8.46 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-10 01:27:34,093 WARN L205 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-10 01:27:35,418 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-10 01:27:36,276 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-10 01:27:36,452 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-10 01:27:36,692 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-10 01:27:36,815 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-10 01:27:37,989 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-10 01:27:38,472 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-10 01:27:39,122 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 01:27:39,246 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 01:27:39,748 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-10 01:27:40,199 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-10 01:27:40,447 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 01:27:40,692 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 01:27:41,129 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-10 01:27:41,907 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-10 01:27:42,636 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-10 01:27:42,820 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-10 01:27:43,705 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-10 01:27:43,966 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-10 01:27:44,413 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-10 01:27:45,724 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-10 01:27:47,278 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-10 01:27:47,567 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-10 01:27:47,717 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-10 01:27:47,844 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-10 01:27:48,070 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-10 01:27:48,765 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-10 01:27:49,043 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-10 01:27:49,547 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-10 01:27:49,655 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-10 01:27:50,250 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-10 01:27:50,839 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-10 01:27:51,024 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-10 01:27:51,782 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-10 01:27:52,179 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-10 01:27:53,047 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-10 01:27:53,744 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-10 01:27:53,896 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-10 01:27:54,159 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-10 01:27:54,629 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-07-10 01:27:54,738 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-10 01:27:55,443 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-10 01:27:55,994 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-10 01:27:56,354 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-10 01:27:57,617 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-10 01:27:59,080 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-10 01:28:02,382 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-10 01:28:02,493 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-10 01:28:02,640 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-10 01:28:02,756 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-10 01:28:03,309 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 189 [2021-07-10 01:28:03,710 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-10 01:28:04,604 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-10 01:28:04,807 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-10 01:28:05,013 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-10 01:28:05,194 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-10 01:28:05,519 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-10 01:28:05,894 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-10 01:28:06,071 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-10 01:28:06,348 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-10 01:28:06,813 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-10 01:28:07,027 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-10 01:28:07,294 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-10 01:28:07,438 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-10 01:28:08,071 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-10 01:28:08,448 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-10 01:28:08,634 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-10 01:28:08,902 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-10 01:28:09,321 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-10 01:28:09,954 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-10 01:28:10,090 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-10 01:28:11,027 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-10 01:28:12,018 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-10 01:28:12,235 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 01:28:12,459 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 01:28:12,816 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-10 01:28:13,314 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-10 01:28:14,350 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-10 01:28:14,604 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-10 01:28:15,099 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-10 01:28:16,345 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-10 01:28:21,684 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-10 01:28:27,707 WARN L205 SmtUtils]: Spent 6.01 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-10 01:28:35,102 WARN L205 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-10 01:28:44,004 WARN L205 SmtUtils]: Spent 8.89 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-10 01:28:44,983 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-10 01:28:45,827 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-10 01:28:45,991 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-10 01:28:47,025 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-10 01:28:47,178 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-10 01:28:47,365 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-10 01:28:47,646 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-10 01:28:48,528 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-10 01:28:49,042 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-10 01:28:49,795 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-10 01:28:50,660 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-10 01:28:52,266 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-10 01:28:52,397 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-10 01:28:52,549 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-10 01:28:52,773 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-10 01:28:53,530 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-10 01:28:54,316 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-10 01:28:54,710 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-10 01:28:55,275 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-10 01:28:56,871 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-10 01:28:58,552 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-10 01:29:00,496 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-10 01:29:12,790 WARN L205 SmtUtils]: Spent 12.28 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-10 01:29:36,671 WARN L205 SmtUtils]: Spent 23.86 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-10 01:30:05,824 WARN L205 SmtUtils]: Spent 29.12 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-10 01:30:07,033 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-10 01:30:07,188 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-10 01:30:08,684 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-10 01:30:08,895 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-10 01:30:09,314 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-10 01:30:09,860 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-10 01:30:43,275 WARN L205 SmtUtils]: Spent 33.40 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-10 01:31:19,213 WARN L205 SmtUtils]: Spent 35.90 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 01:31:55,269 WARN L205 SmtUtils]: Spent 36.02 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 01:32:33,258 WARN L205 SmtUtils]: Spent 37.96 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-10 01:33:31,848 WARN L205 SmtUtils]: Spent 58.55 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-10 01:34:29,215 WARN L205 SmtUtils]: Spent 57.33 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-10 01:35:30,396 WARN L205 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-10 01:35:38,477 WARN L205 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-10 01:35:52,433 WARN L205 SmtUtils]: Spent 13.94 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-10 01:35:52,702 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-10 01:36:01,246 WARN L205 SmtUtils]: Spent 8.54 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-10 01:36:01,752 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-10 01:36:02,158 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-10 01:36:07,187 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-10 01:36:07,307 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-10 01:36:07,417 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-10 01:36:08,502 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-10 01:36:08,955 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-10 01:36:09,254 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-10 01:36:10,356 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-10 01:36:10,461 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-10 01:36:10,565 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-07-10 01:36:10,939 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-10 01:36:11,335 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-10 01:36:12,430 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-10 01:36:12,701 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-10 01:36:13,071 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-10 01:36:13,560 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-10 01:36:14,654 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-10 01:36:14,869 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-10 01:36:16,094 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-10 01:36:16,255 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-10 01:36:16,772 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-10 01:36:17,122 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-10 01:36:17,239 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-10 01:36:18,933 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-10 01:36:19,392 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-10 01:36:19,661 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-10 01:36:20,038 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-10 01:36:20,940 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-10 01:36:23,231 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-10 01:36:25,881 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-10 01:36:29,036 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-10 01:36:34,547 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-10 01:36:34,928 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-10 01:36:35,132 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-10 01:36:36,499 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-10 01:36:36,746 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-10 01:36:37,139 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-10 01:36:43,039 WARN L205 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-10 01:36:43,654 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-10 01:36:44,371 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-10 01:36:44,529 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-10 01:36:44,762 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-10 01:36:44,869 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-10 01:36:45,659 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 238 [2021-07-10 01:36:45,835 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-10 01:36:46,059 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-10 01:36:46,769 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 221 [2021-07-10 01:36:46,940 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-10 01:36:47,103 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-10 01:36:47,300 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-10 01:36:47,657 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-10 01:36:48,505 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-10 01:36:49,631 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-10 01:36:58,097 WARN L205 SmtUtils]: Spent 8.46 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-10 01:37:06,851 WARN L205 SmtUtils]: Spent 8.74 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-10 01:37:24,944 WARN L205 SmtUtils]: Spent 18.06 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-10 01:37:53,511 WARN L205 SmtUtils]: Spent 28.53 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-10 01:39:05,922 WARN L205 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-10 01:39:24,498 WARN L205 SmtUtils]: Spent 18.56 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-10 01:39:24,936 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-10 01:39:25,177 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-10 01:39:25,283 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-10 01:39:26,284 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-10 01:39:26,539 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-10 01:39:26,680 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-10 01:39:27,499 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-10 01:39:27,722 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-10 01:39:28,009 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-10 01:39:28,829 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-10 01:39:29,526 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown