/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 15:14:14,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 15:14:14,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 15:14:14,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 15:14:14,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 15:14:14,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 15:14:14,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 15:14:14,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 15:14:14,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 15:14:14,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 15:14:14,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 15:14:14,857 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 15:14:14,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 15:14:14,857 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 15:14:14,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 15:14:14,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 15:14:14,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 15:14:14,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 15:14:14,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 15:14:14,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 15:14:14,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 15:14:14,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 15:14:14,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 15:14:14,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 15:14:14,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 15:14:14,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 15:14:14,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 15:14:14,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 15:14:14,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 15:14:14,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 15:14:14,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 15:14:14,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 15:14:14,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 15:14:14,860 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 15:14:14,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 15:14:14,861 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 15:14:14,861 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 15:14:14,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 15:14:14,861 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 15:14:14,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 15:14:14,861 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 15:14:15,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 15:14:15,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 15:14:15,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 15:14:15,204 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 15:14:15,205 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 15:14:15,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-06-06 15:14:15,206 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-06-06 15:14:15,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 15:14:15,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 15:14:15,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 15:14:15,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 15:14:15,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 15:14:15,240 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,248 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 15:14:15,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 15:14:15,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 15:14:15,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 15:14:15,260 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,260 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,261 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,261 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,263 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,265 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,266 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 06.06 03:14:15" (1/1) ... [2021-06-06 15:14:15,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 15:14:15,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 15:14:15,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 15:14:15,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 15:14:15,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:14:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 15:14:15,330 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 15:14:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 15:14:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 15:14:15,330 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 15:14:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 15:14:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 15:14:15,331 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 15:14:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 15:14:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 15:14:15,332 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 15:14:15,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 15:14:15,676 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 15:14:15,679 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 15:14:15,680 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 03:14:15 BoogieIcfgContainer [2021-06-06 15:14:15,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 15:14:15,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 15:14:15,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 15:14:15,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 15:14:15,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 03:14:15" (1/2) ... [2021-06-06 15:14:15,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482ba202 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 03:14:15, skipping insertion in model container [2021-06-06 15:14:15,685 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 06.06 03:14:15" (2/2) ... [2021-06-06 15:14:15,686 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-06-06 15:14:15,690 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 15:14:15,690 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 15:14:15,690 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 15:14:15,691 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 15:14:15,726 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 15:14:15,744 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 15:14:15,790 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 15:14:15,790 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 15:14:15,790 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 15:14:15,790 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 15:14:15,790 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 15:14:15,790 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 15:14:15,790 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 15:14:15,790 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 15:14:15,825 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:15,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:15,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1293552415, now seen corresponding path program 1 times [2021-06-06 15:14:15,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:15,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291385812] [2021-06-06 15:14:15,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:16,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:16,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291385812] [2021-06-06 15:14:16,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291385812] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 15:14:16,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 15:14:16,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 15:14:16,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541530034] [2021-06-06 15:14:16,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 15:14:16,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:16,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 15:14:16,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-06 15:14:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:16,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:16,071 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:16,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:16,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:16,110 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 15:14:16,110 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:16,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1881368815, now seen corresponding path program 1 times [2021-06-06 15:14:16,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:16,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136833628] [2021-06-06 15:14:16,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:16,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:16,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136833628] [2021-06-06 15:14:16,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136833628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:16,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945895460] [2021-06-06 15:14:16,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:16,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 15:14:16,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:16,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 15:14:16,564 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:16,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:16,566 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:16,566 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-06 15:14:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:16,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945895460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:16,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:16,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-06 15:14:16,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818407994] [2021-06-06 15:14:16,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 15:14:16,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:16,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 15:14:16,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-06 15:14:16,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:16,582 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:16,582 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:16,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:16,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:16,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:16,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:16,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:16,859 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:16,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1519679137, now seen corresponding path program 2 times [2021-06-06 15:14:16,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:16,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115618485] [2021-06-06 15:14:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:17,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:17,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115618485] [2021-06-06 15:14:17,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115618485] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:17,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740861324] [2021-06-06 15:14:17,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:17,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:14:17,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:17,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 15:14:17,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:17,250 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:17,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-06 15:14:17,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:17,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:17,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:17,259 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-06 15:14:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:17,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740861324] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:17,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:17,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-06 15:14:17,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712834988] [2021-06-06 15:14:17,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 15:14:17,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:17,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 15:14:17,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-06 15:14:17,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:17,290 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:17,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:17,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:17,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:17,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:17,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:17,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:17,569 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:17,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:17,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1102766289, now seen corresponding path program 3 times [2021-06-06 15:14:17,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:17,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618386206] [2021-06-06 15:14:17,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:17,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:17,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618386206] [2021-06-06 15:14:17,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618386206] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:17,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122495926] [2021-06-06 15:14:17,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:17,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 15:14:17,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:17,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 15:14:17,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:17,924 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:17,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-06 15:14:17,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:17,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:17,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:17,951 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-06 15:14:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:17,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122495926] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:17,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:17,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-06 15:14:17,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132769042] [2021-06-06 15:14:17,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 15:14:17,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:17,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 15:14:17,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-06 15:14:17,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:17,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:17,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:17,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:17,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:17,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:17,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:18,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:18,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:18,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:18,253 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:18,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:18,253 INFO L82 PathProgramCache]: Analyzing trace with hash -794195871, now seen corresponding path program 4 times [2021-06-06 15:14:18,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:18,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427672281] [2021-06-06 15:14:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:18,310 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:18,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427672281] [2021-06-06 15:14:18,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427672281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:18,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032706239] [2021-06-06 15:14:18,310 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:18,349 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:14:18,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:18,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 15:14:18,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:18,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032706239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:18,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:18,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-06 15:14:18,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344742914] [2021-06-06 15:14:18,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 15:14:18,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:18,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 15:14:18,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-06 15:14:18,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:18,399 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:18,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:18,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:18,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:18,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:18,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:18,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:18,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 15:14:18,642 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:18,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:18,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1841284676, now seen corresponding path program 1 times [2021-06-06 15:14:18,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:18,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830827485] [2021-06-06 15:14:18,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:18,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:18,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830827485] [2021-06-06 15:14:18,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830827485] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:18,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189959613] [2021-06-06 15:14:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:18,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 15:14:18,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:19,067 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:19,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-06 15:14:19,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:19,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:19,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:19,115 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-06 15:14:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:19,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189959613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:19,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:19,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-06 15:14:19,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236824498] [2021-06-06 15:14:19,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 15:14:19,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:19,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 15:14:19,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-06 15:14:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:19,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:19,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:19,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:19,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:19,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:19,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:19,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:19,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:19,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:19,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:19,472 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:19,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:19,472 INFO L82 PathProgramCache]: Analyzing trace with hash 2024712950, now seen corresponding path program 2 times [2021-06-06 15:14:19,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:19,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553770049] [2021-06-06 15:14:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:19,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:19,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553770049] [2021-06-06 15:14:19,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553770049] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:19,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558019538] [2021-06-06 15:14:19,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:19,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:14:19,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:19,639 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-06 15:14:19,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:19,858 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:19,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-06 15:14:19,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:19,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:19,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:19,983 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-06 15:14:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:19,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558019538] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:19,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:19,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-06 15:14:19,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884750380] [2021-06-06 15:14:19,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 15:14:19,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:19,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 15:14:19,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-06 15:14:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:19,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:19,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:19,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:19,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:19,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:19,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:19,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:19,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:19,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:20,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:20,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-06 15:14:20,321 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:20,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:20,322 INFO L82 PathProgramCache]: Analyzing trace with hash -878945148, now seen corresponding path program 3 times [2021-06-06 15:14:20,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:20,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282402193] [2021-06-06 15:14:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:20,466 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:20,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282402193] [2021-06-06 15:14:20,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282402193] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:20,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742499622] [2021-06-06 15:14:20,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:20,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 15:14:20,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:20,501 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-06 15:14:20,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:20,759 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:20,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-06 15:14:21,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:21,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:21,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:21,136 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-06 15:14:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:21,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742499622] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:21,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:21,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 15:14:21,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828324769] [2021-06-06 15:14:21,143 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 15:14:21,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:21,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 15:14:21,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-06-06 15:14:21,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:21,145 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:21,145 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:21,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:21,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:21,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:21,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:21,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:21,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:21,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:21,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:21,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-06 15:14:21,513 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:21,513 INFO L82 PathProgramCache]: Analyzing trace with hash -698032970, now seen corresponding path program 4 times [2021-06-06 15:14:21,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:21,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226709531] [2021-06-06 15:14:21,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:21,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:21,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226709531] [2021-06-06 15:14:21,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226709531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:21,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185721508] [2021-06-06 15:14:21,672 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:21,701 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 15:14:21,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:21,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-06 15:14:21,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:22,056 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:22,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-06-06 15:14:22,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:22,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:22,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:22,785 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-06 15:14:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:22,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185721508] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:22,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:22,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 15:14:22,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182327296] [2021-06-06 15:14:22,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 15:14:22,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:22,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 15:14:22,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-06 15:14:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:22,792 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:22,792 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:22,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:23,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:23,162 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:23,162 INFO L82 PathProgramCache]: Analyzing trace with hash 615277252, now seen corresponding path program 5 times [2021-06-06 15:14:23,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:23,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235096014] [2021-06-06 15:14:23,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:23,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:23,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235096014] [2021-06-06 15:14:23,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235096014] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:23,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335718657] [2021-06-06 15:14:23,239 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:23,266 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 15:14:23,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:23,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 15:14:23,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:23,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335718657] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:23,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:23,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-06 15:14:23,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100861434] [2021-06-06 15:14:23,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 15:14:23,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:23,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 15:14:23,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-06-06 15:14:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:23,314 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:23,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:23,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:14:23,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-06-06 15:14:23,632 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:23,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:23,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1709688767, now seen corresponding path program 6 times [2021-06-06 15:14:23,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:23,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753333019] [2021-06-06 15:14:23,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:23,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:23,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753333019] [2021-06-06 15:14:23,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753333019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:23,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682986766] [2021-06-06 15:14:23,794 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:23,845 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 15:14:23,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:23,849 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-06 15:14:23,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:24,317 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-06 15:14:24,317 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:24,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-06 15:14:24,962 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2021-06-06 15:14:26,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:26,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:26,451 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:26,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-06 15:14:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:26,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682986766] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:26,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:26,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-06-06 15:14:26,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321377162] [2021-06-06 15:14:26,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 15:14:26,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:26,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 15:14:26,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-06-06 15:14:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:26,462 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:26,462 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:26,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:26,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:26,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:26,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:26,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:14:26,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:14:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:14:27,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-06 15:14:27,021 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:27,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:27,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1956016847, now seen corresponding path program 7 times [2021-06-06 15:14:27,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:27,021 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601537053] [2021-06-06 15:14:27,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:27,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:27,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601537053] [2021-06-06 15:14:27,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601537053] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:27,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472639526] [2021-06-06 15:14:27,240 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:27,266 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-06 15:14:27,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:27,796 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 15:14:27,797 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:27,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-06 15:14:28,936 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-06 15:14:29,878 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-06 15:14:30,021 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-06 15:14:30,320 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-06 15:14:30,604 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-06 15:14:30,933 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-06 15:14:31,329 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-06 15:14:32,049 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-06 15:14:32,172 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-06 15:14:32,406 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-06 15:14:33,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:14:33,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:33,508 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:14:33,508 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-06 15:14:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:33,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472639526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:33,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:14:33,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-06 15:14:33,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097104417] [2021-06-06 15:14:33,514 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 15:14:33,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:14:33,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 15:14:33,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-06-06 15:14:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:33,515 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:14:33,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:33,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:33,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:14:33,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:14:33,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:14:33,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:14:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:14:34,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-06 15:14:34,000 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:14:34,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:14:34,000 INFO L82 PathProgramCache]: Analyzing trace with hash -371226111, now seen corresponding path program 8 times [2021-06-06 15:14:34,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:14:34,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631259410] [2021-06-06 15:14:34,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:14:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:14:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:14:34,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:14:34,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631259410] [2021-06-06 15:14:34,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631259410] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:14:34,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609453996] [2021-06-06 15:14:34,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:14:34,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 15:14:34,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:14:34,267 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-06 15:14:34,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:14:34,822 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-06 15:14:34,823 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:14:34,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-06 15:14:35,719 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 193 [2021-06-06 15:14:35,839 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 216 [2021-06-06 15:14:35,985 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-06 15:14:36,163 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-06 15:14:36,335 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-06 15:14:36,531 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-06 15:14:36,905 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-06 15:14:37,110 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-06 15:14:37,348 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-06 15:14:37,542 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-06 15:14:38,058 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-06 15:14:38,818 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-06 15:14:39,055 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-06 15:14:39,174 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-06 15:14:40,332 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-06 15:14:40,779 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-06 15:14:40,977 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-06 15:14:41,928 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-06 15:14:42,448 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-06 15:14:42,829 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-06-06 15:14:42,950 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-06 15:14:43,220 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-06 15:14:44,029 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-06 15:14:44,787 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-06 15:14:45,621 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-06 15:14:46,623 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-06 15:14:46,803 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-06 15:14:47,620 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-06 15:14:47,964 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-06 15:14:48,434 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-06 15:14:48,918 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-06 15:14:49,397 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-06 15:14:49,941 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-06 15:14:50,509 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-06 15:14:50,759 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-06 15:14:50,957 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-06 15:14:51,169 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-06 15:14:51,821 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 261 [2021-06-06 15:14:51,934 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-06 15:14:52,463 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 239 [2021-06-06 15:14:52,660 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-06 15:14:52,930 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-06 15:14:53,753 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-06 15:14:54,216 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-06 15:14:54,720 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-06 15:14:55,689 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-06 15:14:56,655 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-06 15:14:57,718 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-06 15:14:58,737 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-06 15:14:59,759 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-06 15:15:00,853 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-06 15:15:01,010 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-06 15:15:01,345 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-06 15:15:02,058 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-06 15:15:02,246 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-06 15:15:02,410 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-06 15:15:02,578 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-06 15:15:02,754 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-06 15:15:03,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 15:15:03,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:15:03,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 15:15:03,081 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-06 15:15:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:15:03,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609453996] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:15:03,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 15:15:03,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-06 15:15:03,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531831164] [2021-06-06 15:15:03,086 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 15:15:03,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 15:15:03,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 15:15:03,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-06 15:15:03,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:15:03,088 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 15:15:03,088 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:15:03,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:15:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:15:03,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 15:15:03,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 15:15:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 15:15:03,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-06-06 15:15:03,644 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 15:15:03,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 15:15:03,645 INFO L82 PathProgramCache]: Analyzing trace with hash 498686223, now seen corresponding path program 9 times [2021-06-06 15:15:03,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 15:15:03,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820836655] [2021-06-06 15:15:03,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 15:15:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 15:15:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 15:15:03,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 15:15:03,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820836655] [2021-06-06 15:15:03,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820836655] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 15:15:03,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356870599] [2021-06-06 15:15:03,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 15:15:03,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 15:15:03,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 15:15:03,865 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-06 15:15:03,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 15:15:04,467 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-06 15:15:04,467 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 15:15:04,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-06-06 15:15:05,904 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-06 15:15:06,077 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-06 15:15:06,277 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-06 15:15:07,561 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-06 15:15:07,760 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-06 15:15:07,988 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-06 15:15:08,586 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-06 15:15:09,140 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-06 15:15:09,788 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-06 15:15:10,539 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-06 15:15:11,419 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-06 15:15:12,282 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-06 15:15:13,317 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-06 15:15:15,562 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-06 15:15:17,258 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-06 15:15:18,301 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-06 15:15:19,996 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-06 15:15:20,818 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-06 15:15:21,142 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-06 15:15:22,095 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-06 15:15:22,205 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-06 15:15:22,348 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-06 15:15:23,367 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-06 15:15:23,551 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-06 15:15:23,740 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-06 15:15:24,595 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-06 15:15:24,907 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-06 15:15:25,299 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-06 15:15:26,392 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-06 15:15:26,555 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-06 15:15:27,074 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-06 15:15:27,551 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-06 15:15:27,716 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-06 15:15:27,925 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-06 15:15:28,083 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-06 15:15:28,693 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-06 15:15:28,975 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-06 15:15:29,094 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-06 15:15:29,249 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-06 15:15:29,413 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-06 15:15:29,980 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-06 15:15:30,616 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-06 15:15:30,789 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-06 15:15:31,010 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-06 15:15:31,342 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-06 15:15:32,721 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-06 15:15:32,894 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-06 15:15:33,361 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-06 15:15:34,382 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-06 15:15:35,823 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-06 15:15:35,990 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-06 15:15:36,192 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-06 15:15:36,349 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-06 15:15:37,156 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-06 15:15:37,319 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-06 15:15:37,671 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-06-06 15:15:38,596 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-06 15:15:38,832 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-06 15:15:39,896 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-06 15:15:40,101 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-06 15:15:40,614 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-06 15:15:41,266 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-06 15:15:41,999 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-06 15:15:43,433 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-06 15:15:43,601 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-06 15:15:43,828 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-06 15:15:44,098 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-06 15:15:44,799 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-06 15:15:45,237 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-06 15:15:45,484 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-06 15:15:46,002 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-06 15:15:46,359 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-06 15:15:46,723 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-06 15:15:47,818 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-06 15:15:47,979 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-06 15:15:48,649 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-06 15:15:49,387 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-06 15:15:50,666 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-06 15:15:52,775 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-06 15:15:53,713 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-06 15:15:53,873 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-06 15:15:54,495 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-06 15:15:55,175 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-06 15:15:55,540 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-06 15:15:55,676 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-06 15:15:56,609 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-06 15:15:57,460 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-06 15:15:57,651 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-06 15:15:58,060 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-06 15:15:59,048 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-06 15:15:59,625 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-06 15:16:00,072 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-06 15:16:00,312 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-06 15:16:00,836 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-06 15:16:01,278 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-06 15:16:01,712 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-06 15:16:02,552 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-06 15:16:02,880 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-06 15:16:03,828 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-06 15:16:04,832 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-06 15:16:06,324 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-06 15:16:08,654 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-06 15:16:13,545 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-06 15:16:20,035 WARN L205 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-06 15:16:28,140 WARN L205 SmtUtils]: Spent 8.09 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-06 15:16:37,685 WARN L205 SmtUtils]: Spent 9.53 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-06 15:16:38,962 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-06 15:16:39,793 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-06 15:16:39,957 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-06 15:16:40,187 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-06 15:16:40,292 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-06 15:16:40,931 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2021-06-06 15:16:41,416 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-06 15:16:41,892 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-06 15:16:42,519 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-06 15:16:42,643 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-06 15:16:43,557 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-06 15:16:43,798 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-06 15:16:44,042 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-06 15:16:44,473 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-06 15:16:45,231 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-06 15:16:45,927 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-06 15:16:46,106 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-06 15:16:46,958 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-06 15:16:47,199 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-06 15:16:47,638 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-06 15:16:48,956 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-06 15:16:50,482 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-06 15:16:50,766 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-06 15:16:50,912 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-06 15:16:51,038 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-06 15:16:51,260 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-06 15:16:51,900 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-06 15:16:52,191 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-06 15:16:52,658 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-06 15:16:52,765 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-06 15:16:53,303 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-06 15:16:53,882 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-06 15:16:54,788 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-06 15:16:55,164 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-06 15:16:55,955 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-06 15:16:56,606 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-06 15:16:56,753 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-06 15:16:57,003 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-06 15:16:57,547 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-06-06 15:16:58,224 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-06 15:16:58,765 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-06 15:16:59,127 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-06 15:17:00,362 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-06 15:17:01,806 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-06 15:17:05,004 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-06 15:17:05,257 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-06 15:17:05,376 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-06 15:17:06,209 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-06 15:17:07,069 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-06 15:17:07,263 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-06 15:17:07,467 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-06 15:17:07,644 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-06 15:17:07,959 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-06 15:17:08,312 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-06 15:17:08,485 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-06 15:17:08,759 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-06 15:17:09,219 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-06 15:17:09,399 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-06 15:17:09,641 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-06 15:17:09,784 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-06 15:17:10,398 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-06 15:17:10,763 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-06 15:17:10,945 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-06 15:17:11,211 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-06 15:17:11,614 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-06 15:17:12,210 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-06 15:17:12,342 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-06 15:17:13,246 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-06 15:17:14,189 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-06 15:17:14,395 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-06 15:17:14,604 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-06 15:17:14,944 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-06 15:17:15,433 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-06 15:17:16,372 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-06 15:17:16,623 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-06 15:17:17,095 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-06 15:17:18,297 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-06 15:17:23,465 WARN L205 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-06 15:17:29,250 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-06 15:17:36,655 WARN L205 SmtUtils]: Spent 7.39 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-06 15:17:45,299 WARN L205 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-06 15:17:46,225 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-06 15:17:47,045 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-06 15:17:47,211 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-06 15:17:48,206 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-06 15:17:48,363 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-06 15:17:48,537 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-06 15:17:48,813 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-06 15:17:49,678 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-06 15:17:50,182 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-06 15:17:50,903 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-06 15:17:51,731 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-06 15:17:53,230 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-06 15:17:53,348 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-06 15:17:53,490 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-06 15:17:53,708 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-06 15:17:54,415 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-06 15:17:55,158 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-06 15:17:55,530 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-06 15:17:56,073 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-06 15:17:57,612 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-06 15:17:59,271 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-06 15:18:01,187 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-06 15:18:13,111 WARN L205 SmtUtils]: Spent 11.91 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-06 15:18:35,960 WARN L205 SmtUtils]: Spent 22.83 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-06 15:19:01,957 WARN L205 SmtUtils]: Spent 25.97 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-06 15:19:03,054 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-06 15:19:03,206 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-06 15:19:04,578 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-06 15:19:04,783 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-06 15:19:05,200 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-06 15:19:05,700 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-06 15:19:35,035 WARN L205 SmtUtils]: Spent 29.32 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-06 15:20:08,249 WARN L205 SmtUtils]: Spent 33.18 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-06 15:20:41,576 WARN L205 SmtUtils]: Spent 33.29 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-06 15:21:18,760 WARN L205 SmtUtils]: Spent 37.16 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-06 15:22:14,481 WARN L205 SmtUtils]: Spent 55.69 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-06 15:23:10,088 WARN L205 SmtUtils]: Spent 55.57 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-06 15:24:08,047 WARN L205 SmtUtils]: Spent 57.93 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-06 15:24:15,438 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-06 15:24:28,312 WARN L205 SmtUtils]: Spent 12.86 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-06 15:24:28,572 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-06 15:24:37,011 WARN L205 SmtUtils]: Spent 8.43 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-06 15:24:37,538 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-06 15:24:37,925 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-06 15:24:42,657 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-06 15:24:42,771 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-06 15:24:42,880 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-06 15:24:43,942 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-06 15:24:44,384 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-06 15:24:44,687 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-06 15:24:45,764 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-06 15:24:46,347 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-06 15:24:46,691 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-06 15:24:47,756 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-06 15:24:48,021 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-06 15:24:48,401 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-06 15:24:48,905 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-06 15:24:50,018 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-06 15:24:50,239 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-06 15:24:51,460 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-06 15:24:51,631 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-06 15:24:52,143 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-06 15:24:52,490 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-06 15:24:54,195 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-06 15:24:54,622 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-06 15:24:54,895 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-06 15:24:55,273 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-06 15:24:56,133 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-06 15:24:58,272 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-06 15:25:00,885 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-06 15:25:03,981 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-06 15:25:09,308 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-06 15:25:09,703 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-06 15:25:09,916 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-06 15:25:11,232 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-06 15:25:11,485 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-06 15:25:11,837 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-06 15:25:17,640 WARN L205 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-06 15:25:18,233 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-06 15:25:18,937 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-06 15:25:19,095 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-06 15:25:19,312 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-06 15:25:19,416 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-06 15:25:20,116 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-06 15:25:20,281 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-06 15:25:21,049 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-06 15:25:21,243 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-06 15:25:21,597 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-06 15:25:22,231 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-06 15:25:23,044 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-06 15:25:30,384 WARN L205 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-06 15:25:38,878 WARN L205 SmtUtils]: Spent 8.48 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-06 15:25:56,122 WARN L205 SmtUtils]: Spent 17.22 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-06 15:26:21,831 WARN L205 SmtUtils]: Spent 25.67 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-06-06 15:27:32,859 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-06-06 15:27:50,794 WARN L205 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-06-06 15:27:51,218 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-06-06 15:27:51,445 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-06-06 15:27:52,529 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-06-06 15:27:52,779 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-06-06 15:27:52,920 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-06-06 15:27:53,719 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-06-06 15:27:53,943 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-06-06 15:27:54,229 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-06-06 15:27:55,035 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-06-06 15:27:55,732 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-06-06 15:28:12,689 WARN L205 SmtUtils]: Spent 16.95 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-06-06 15:28:19,894 WARN L205 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1697 [2021-06-06 15:28:24,648 WARN L205 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 1076 DAG size of output: 1519 [2021-06-06 15:28:24,942 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 1018 [2021-06-06 15:28:25,203 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 907 [2021-06-06 15:28:25,439 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 867 [2021-06-06 15:28:25,555 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-06-06 15:28:26,594 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 223 [2021-06-06 15:28:26,829 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 267 [2021-06-06 15:28:27,082 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 332 [2021-06-06 15:28:27,195 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 562 [2021-06-06 15:28:27,923 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 219 [2021-06-06 15:28:28,187 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 266 [2021-06-06 15:28:28,408 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 321 [2021-06-06 15:28:28,932 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 444 [2021-06-06 15:28:29,612 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 484 [2021-06-06 15:28:30,436 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 563 [2021-06-06 15:28:30,702 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-06-06 15:28:30,928 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 927 [2021-06-06 15:28:31,283 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 880 [2021-06-06 15:28:32,242 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 262 [2021-06-06 15:28:32,424 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 298 [2021-06-06 15:28:32,672 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 342 [2021-06-06 15:28:33,897 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 210 [2021-06-06 15:28:34,035 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 247 [2021-06-06 15:28:34,217 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 281 [2021-06-06 15:28:34,498 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 352 [2021-06-06 15:28:35,077 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 494 [2021-06-06 15:28:35,818 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 1019 DAG size of output: 574 [2021-06-06 15:28:36,774 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 659 [2021-06-06 15:28:38,728 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1647 DAG size of output: 921 [2021-06-06 15:28:39,047 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 913 [2021-06-06 15:28:39,409 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 851 [2021-06-06 15:28:39,545 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2021-06-06 15:28:40,114 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 441 [2021-06-06 15:28:40,742 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 265 [2021-06-06 15:28:41,416 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 212 [2021-06-06 15:28:41,631 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 228 [2021-06-06 15:28:41,870 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 285 [2021-06-06 15:28:42,193 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 336 [2021-06-06 15:28:42,640 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 408 [2021-06-06 15:28:42,792 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 564 [2021-06-06 15:28:43,163 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-06-06 15:28:43,390 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 420 [2021-06-06 15:28:44,334 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 234 [2021-06-06 15:28:44,534 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 269 [2021-06-06 15:28:44,761 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 301 [2021-06-06 15:28:45,060 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 360 [2021-06-06 15:28:45,482 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 438 [2021-06-06 15:28:46,480 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 593 Received shutdown request... [2021-06-06 15:28:47,677 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1129 DAG size of output: 652 [2021-06-06 15:28:51,311 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 2503 DAG size of output: 1315 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown