/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:49:41,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:49:41,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:49:41,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 03:49:42,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:49:42,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:49:42,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:49:42,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:49:42,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:49:42,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:49:42,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:49:42,068 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:49:42,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:49:42,069 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:49:42,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:49:42,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:49:42,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:49:42,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:49:42,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:49:42,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:49:42,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:49:42,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:49:42,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:49:42,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:49:42,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:49:42,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:49:42,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:49:42,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:49:42,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:49:42,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:49:42,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:49:42,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:49:42,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:49:42,072 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:49:42,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:49:42,072 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:49:42,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:49:42,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:49:42,077 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:49:42,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:49:42,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:49:42,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:49:42,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:49:42,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:49:42,428 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 03:49:42,432 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 03:49:42,433 INFO L432 ainManager$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 [2021-06-14 03:49:42,447 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-06-14 03:49:42,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:49:42,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 03:49:42,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:49:42,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:49:42,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:49:42,487 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,495 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:49:42,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:49:42,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:49:42,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:49:42,510 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,510 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,511 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,512 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,516 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,520 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,521 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 14.06 03:49:42" (1/1) ... [2021-06-14 03:49:42,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:49:42,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:49:42,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:49:42,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:49:42,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:49:42" (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 [2021-06-14 03:49:42,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 03:49:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 03:49:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 03:49:42,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 03:49:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 03:49:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 03:49:42,610 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 03:49:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:49:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:49:42,611 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 03:49:43,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:49:43,065 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-14 03:49:43,065 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 03:49:43,066 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:49:43 BoogieIcfgContainer [2021-06-14 03:49:43,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:49:43,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:49:43,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:49:43,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:49:43,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:49:42" (1/2) ... [2021-06-14 03:49:43,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ea44cc and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:49:43, skipping insertion in model container [2021-06-14 03:49:43,071 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 14.06 03:49:43" (2/2) ... [2021-06-14 03:49:43,072 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-06-14 03:49:43,079 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:49:43,079 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:49:43,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:49:43,080 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:49:43,145 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 03:49:43,164 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 [2021-06-14 03:49:43,218 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:49:43,219 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:49:43,219 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:49:43,219 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:49:43,219 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:49:43,219 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:49:43,219 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:49:43,219 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:49:43,247 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:43,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:43,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1293552415, now seen corresponding path program 1 times [2021-06-14 03:49:43,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:43,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372750409] [2021-06-14 03:49:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:43,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:43,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372750409] [2021-06-14 03:49:43,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372750409] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:49:43,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:49:43,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 03:49:43,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163103900] [2021-06-14 03:49:43,454 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 03:49:43,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:43,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 03:49:43,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-14 03:49:43,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:43,470 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:43,471 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) [2021-06-14 03:49:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:43,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:43,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 03:49:43,514 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:43,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:43,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1881368815, now seen corresponding path program 1 times [2021-06-14 03:49:43,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:43,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348351011] [2021-06-14 03:49:43,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:43,707 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2021-06-14 03:49:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:43,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:43,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348351011] [2021-06-14 03:49:43,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348351011] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:43,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294560987] [2021-06-14 03:49:43,751 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 [2021-06-14 03:49:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:43,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 03:49:43,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:43,948 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 [2021-06-14 03:49:43,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:43,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:43,954 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:43,954 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-14 03:49:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:43,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294560987] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:43,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:43,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-14 03:49:43,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907064909] [2021-06-14 03:49:43,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 03:49:43,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:43,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 03:49:43,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-14 03:49:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:43,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:43,979 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) [2021-06-14 03:49:43,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:43,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:44,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:44,249 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:44,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:44,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1519679137, now seen corresponding path program 2 times [2021-06-14 03:49:44,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:44,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795916337] [2021-06-14 03:49:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:44,467 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:44,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795916337] [2021-06-14 03:49:44,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795916337] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:44,467 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738390207] [2021-06-14 03:49:44,468 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 [2021-06-14 03:49:44,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:49:44,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:44,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 03:49:44,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:44,642 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:44,643 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 [2021-06-14 03:49:44,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:44,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:44,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:44,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-14 03:49:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:44,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738390207] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:44,664 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:44,664 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-14 03:49:44,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472673648] [2021-06-14 03:49:44,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 03:49:44,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:44,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 03:49:44,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-14 03:49:44,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:44,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:44,667 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) [2021-06-14 03:49:44,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:44,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:44,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:44,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:44,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:44,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:44,993 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:44,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:44,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1102766289, now seen corresponding path program 3 times [2021-06-14 03:49:44,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:44,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064428487] [2021-06-14 03:49:44,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:45,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:45,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064428487] [2021-06-14 03:49:45,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064428487] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:45,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573236944] [2021-06-14 03:49:45,124 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 [2021-06-14 03:49:45,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 03:49:45,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:45,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 03:49:45,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:45,449 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:45,449 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 [2021-06-14 03:49:45,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:45,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:45,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:45,486 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-14 03:49:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:45,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573236944] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:45,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:45,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-14 03:49:45,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572659597] [2021-06-14 03:49:45,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 03:49:45,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:45,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 03:49:45,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-14 03:49:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:45,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:45,502 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) [2021-06-14 03:49:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:45,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:45,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:45,792 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:45,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:45,793 INFO L82 PathProgramCache]: Analyzing trace with hash -794195871, now seen corresponding path program 4 times [2021-06-14 03:49:45,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:45,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179774833] [2021-06-14 03:49:45,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:45,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:45,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179774833] [2021-06-14 03:49:45,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179774833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:45,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606602126] [2021-06-14 03:49:45,843 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 [2021-06-14 03:49:45,885 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:49:45,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:45,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 03:49:45,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:45,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606602126] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:45,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:45,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-14 03:49:45,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856154909] [2021-06-14 03:49:45,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 03:49:45,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:45,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 03:49:45,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-14 03:49:45,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:45,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:45,961 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) [2021-06-14 03:49:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:46,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:46,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:46,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:46,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:46,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:46,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-14 03:49:46,217 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:46,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:46,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1841284676, now seen corresponding path program 1 times [2021-06-14 03:49:46,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:46,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271749103] [2021-06-14 03:49:46,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:46,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:46,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271749103] [2021-06-14 03:49:46,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271749103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:46,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498020693] [2021-06-14 03:49:46,314 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 [2021-06-14 03:49:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:46,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 03:49:46,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:46,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:46,638 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 [2021-06-14 03:49:46,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:46,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:46,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:46,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-14 03:49:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:46,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498020693] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:46,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:46,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-14 03:49:46,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649450135] [2021-06-14 03:49:46,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 03:49:46,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:46,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 03:49:46,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-14 03:49:46,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:46,699 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:46,699 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) [2021-06-14 03:49:46,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:46,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:46,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:46,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:46,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:46,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:46,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:47,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:47,057 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:47,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:47,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2024712950, now seen corresponding path program 2 times [2021-06-14 03:49:47,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:47,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894167813] [2021-06-14 03:49:47,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:47,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:47,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894167813] [2021-06-14 03:49:47,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894167813] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:47,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812734019] [2021-06-14 03:49:47,212 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 [2021-06-14 03:49:47,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:49:47,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:47,254 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-14 03:49:47,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:47,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:47,501 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 [2021-06-14 03:49:47,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:47,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:47,620 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:47,621 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-14 03:49:47,627 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:47,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812734019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:47,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:47,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-14 03:49:47,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889506397] [2021-06-14 03:49:47,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-14 03:49:47,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:47,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-14 03:49:47,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-14 03:49:47,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:47,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:47,629 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) [2021-06-14 03:49:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:47,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:47,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:47,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-14 03:49:47,981 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:47,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:47,982 INFO L82 PathProgramCache]: Analyzing trace with hash -878945148, now seen corresponding path program 3 times [2021-06-14 03:49:47,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:47,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36333469] [2021-06-14 03:49:47,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:48,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:48,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36333469] [2021-06-14 03:49:48,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36333469] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:48,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270929682] [2021-06-14 03:49:48,155 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 [2021-06-14 03:49:48,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 03:49:48,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:48,196 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-14 03:49:48,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:48,530 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:48,530 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 [2021-06-14 03:49:48,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:48,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:48,885 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:48,885 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-14 03:49:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:48,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270929682] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:48,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:48,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-14 03:49:48,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940684278] [2021-06-14 03:49:48,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 03:49:48,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:48,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 03:49:48,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-06-14 03:49:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:48,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:48,895 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) [2021-06-14 03:49:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:48,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:48,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:48,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:48,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:49,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:49,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-14 03:49:49,269 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:49,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:49,269 INFO L82 PathProgramCache]: Analyzing trace with hash -698032970, now seen corresponding path program 4 times [2021-06-14 03:49:49,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:49,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480208065] [2021-06-14 03:49:49,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:49,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:49,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480208065] [2021-06-14 03:49:49,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480208065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:49,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657596886] [2021-06-14 03:49:49,392 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 [2021-06-14 03:49:49,421 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 03:49:49,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:49,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-14 03:49:49,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:49,836 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:49,837 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 [2021-06-14 03:49:50,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:50,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:50,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:50,639 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-14 03:49:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:50,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657596886] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:50,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:50,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-14 03:49:50,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829133664] [2021-06-14 03:49:50,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 03:49:50,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:50,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 03:49:50,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-14 03:49:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:50,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:50,650 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) [2021-06-14 03:49:50,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:50,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:50,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:51,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 03:49:51,066 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:51,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:51,066 INFO L82 PathProgramCache]: Analyzing trace with hash 615277252, now seen corresponding path program 5 times [2021-06-14 03:49:51,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:51,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727543387] [2021-06-14 03:49:51,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:51,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:51,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727543387] [2021-06-14 03:49:51,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727543387] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:51,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565996977] [2021-06-14 03:49:51,165 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 [2021-06-14 03:49:51,203 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 03:49:51,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:51,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-14 03:49:51,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:51,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565996977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:51,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:51,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-14 03:49:51,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535769696] [2021-06-14 03:49:51,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 03:49:51,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:51,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 03:49:51,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-06-14 03:49:51,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:51,261 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:51,261 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) [2021-06-14 03:49:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:51,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:51,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:49:51,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-06-14 03:49:51,569 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:51,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1709688767, now seen corresponding path program 6 times [2021-06-14 03:49:51,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:51,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88817678] [2021-06-14 03:49:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:51,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:51,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88817678] [2021-06-14 03:49:51,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88817678] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:51,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462946923] [2021-06-14 03:49:51,730 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 [2021-06-14 03:49:51,763 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 03:49:51,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:49:51,765 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-14 03:49:51,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:52,284 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-14 03:49:52,284 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:52,285 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 [2021-06-14 03:49:54,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:49:54,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:54,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:49:54,439 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-14 03:49:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:54,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462946923] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:54,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:49:54,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-06-14 03:49:54,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757320469] [2021-06-14 03:49:54,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 03:49:54,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:49:54,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 03:49:54,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-06-14 03:49:54,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:54,447 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:49:54,447 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) [2021-06-14 03:49:54,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:54,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:49:54,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:49:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:49:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:49:55,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-14 03:49:55,013 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:49:55,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:49:55,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1956016847, now seen corresponding path program 7 times [2021-06-14 03:49:55,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:49:55,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447784608] [2021-06-14 03:49:55,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:49:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:49:55,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:49:55,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447784608] [2021-06-14 03:49:55,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447784608] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:49:55,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304960097] [2021-06-14 03:49:55,235 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 [2021-06-14 03:49:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:49:55,270 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-14 03:49:55,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:49:55,909 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-14 03:49:55,909 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:49:55,910 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 [2021-06-14 03:49:57,260 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-14 03:49:58,238 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-14 03:49:58,391 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-14 03:49:58,695 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-14 03:49:58,997 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-14 03:49:59,341 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-14 03:49:59,880 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-14 03:50:00,662 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-14 03:50:00,797 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-14 03:50:01,001 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-14 03:50:01,804 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 210 [2021-06-14 03:50:01,922 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 210 [2021-06-14 03:50:02,048 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 212 [2021-06-14 03:50:02,204 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 174 [2021-06-14 03:50:02,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:50:02,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:50:02,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:50:02,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-14 03:50:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:50:02,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304960097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:50:02,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:50:02,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-14 03:50:02,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386520562] [2021-06-14 03:50:02,487 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-14 03:50:02,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:50:02,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-14 03:50:02,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-06-14 03:50:02,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:50:02,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:50:02,489 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) [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:50:02,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:50:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:50:02,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-14 03:50:02,962 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:50:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:50:02,962 INFO L82 PathProgramCache]: Analyzing trace with hash -371226111, now seen corresponding path program 8 times [2021-06-14 03:50:02,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:50:02,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680923589] [2021-06-14 03:50:02,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:50:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:50:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:50:03,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:50:03,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680923589] [2021-06-14 03:50:03,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680923589] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:50:03,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326625221] [2021-06-14 03:50:03,206 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 [2021-06-14 03:50:03,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 03:50:03,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:50:03,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-14 03:50:03,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:50:03,887 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-14 03:50:03,887 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:50:03,887 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 [2021-06-14 03:50:05,050 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-14 03:50:05,241 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-14 03:50:05,455 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-14 03:50:05,670 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-14 03:50:06,128 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-14 03:50:06,385 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-14 03:50:06,666 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-14 03:50:06,886 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-14 03:50:07,016 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 235 [2021-06-14 03:50:07,435 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-14 03:50:07,556 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-06-14 03:50:08,333 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-14 03:50:08,585 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-14 03:50:08,717 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-14 03:50:09,965 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-14 03:50:10,457 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-14 03:50:10,693 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-14 03:50:11,608 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 232 [2021-06-14 03:50:11,739 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-14 03:50:12,347 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-14 03:50:12,777 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-06-14 03:50:12,907 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-14 03:50:13,193 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-14 03:50:14,108 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-14 03:50:15,044 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-14 03:50:15,990 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-14 03:50:17,063 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-14 03:50:17,258 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-14 03:50:18,170 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-14 03:50:18,544 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-14 03:50:18,997 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-14 03:50:19,518 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-14 03:50:20,052 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-14 03:50:20,621 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-14 03:50:21,210 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-14 03:50:21,472 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-14 03:50:21,679 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-14 03:50:21,903 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-14 03:50:22,653 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 261 [2021-06-14 03:50:22,775 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-14 03:50:23,456 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-14 03:50:23,753 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-14 03:50:24,585 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-14 03:50:25,189 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-14 03:50:25,725 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-14 03:50:26,851 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-14 03:50:27,852 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-14 03:50:28,999 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-14 03:50:30,115 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-14 03:50:31,229 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-14 03:50:32,396 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-14 03:50:32,564 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-14 03:50:32,937 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-14 03:50:33,684 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-14 03:50:33,884 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-14 03:50:34,131 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-14 03:50:34,314 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-14 03:50:34,500 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-14 03:50:34,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 03:50:34,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:50:34,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 03:50:34,867 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-14 03:50:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:50:34,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326625221] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:50:34,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 03:50:34,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-14 03:50:34,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38352944] [2021-06-14 03:50:34,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 03:50:34,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:50:34,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 03:50:34,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-14 03:50:34,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:50:34,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:50:34,875 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) [2021-06-14 03:50:34,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:50:34,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:50:34,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:34,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:34,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:50:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:50:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:50:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:50:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:50:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:50:34,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 03:50:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 03:50:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:50:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 03:50:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 03:50:35,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-06-14 03:50:35,334 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:50:35,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:50:35,334 INFO L82 PathProgramCache]: Analyzing trace with hash 498686223, now seen corresponding path program 9 times [2021-06-14 03:50:35,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:50:35,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958135173] [2021-06-14 03:50:35,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:50:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:50:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:50:35,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:50:35,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958135173] [2021-06-14 03:50:35,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958135173] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 03:50:35,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242960954] [2021-06-14 03:50:35,565 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 [2021-06-14 03:50:35,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-14 03:50:35,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 03:50:35,604 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-14 03:50:35,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 03:50:36,245 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-14 03:50:36,246 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 03:50:36,246 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 [2021-06-14 03:50:37,746 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-14 03:50:37,923 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-14 03:50:38,141 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-14 03:50:39,631 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-14 03:50:39,868 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-14 03:50:40,125 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-14 03:50:40,723 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-14 03:50:41,362 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-14 03:50:42,173 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-14 03:50:43,081 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-14 03:50:44,101 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-14 03:50:45,025 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-14 03:50:46,103 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-14 03:50:48,549 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-14 03:50:50,319 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-14 03:50:51,423 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-14 03:50:53,075 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-14 03:50:53,942 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-14 03:50:54,284 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-14 03:50:55,294 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-14 03:50:55,408 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-14 03:50:55,560 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-14 03:50:56,651 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-14 03:50:56,848 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-14 03:50:57,052 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-14 03:50:57,929 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-14 03:50:58,263 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-14 03:50:58,682 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-14 03:50:59,846 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-14 03:51:00,021 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-14 03:51:00,559 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-14 03:51:01,063 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-14 03:51:01,230 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-14 03:51:01,453 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-14 03:51:01,624 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-14 03:51:02,278 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-14 03:51:02,575 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-14 03:51:02,704 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-14 03:51:02,873 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-14 03:51:03,043 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-14 03:51:03,658 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-14 03:51:04,327 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-14 03:51:04,506 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-14 03:51:04,761 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-14 03:51:05,104 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-14 03:51:06,501 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-14 03:51:06,662 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-14 03:51:07,180 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-14 03:51:08,297 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-14 03:51:09,904 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-14 03:51:10,079 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-14 03:51:10,298 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-14 03:51:10,458 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-14 03:51:11,316 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-14 03:51:11,498 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-14 03:51:11,860 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-06-14 03:51:12,031 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 198 [2021-06-14 03:51:12,862 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-14 03:51:13,119 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-14 03:51:13,620 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2021-06-14 03:51:13,726 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2021-06-14 03:51:14,281 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-14 03:51:14,496 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-14 03:51:15,024 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-14 03:51:15,702 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-14 03:51:16,487 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-14 03:51:17,923 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-14 03:51:18,110 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-14 03:51:18,361 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-14 03:51:18,660 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-14 03:51:19,415 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-14 03:51:19,901 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-14 03:51:20,165 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-14 03:51:20,765 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-14 03:51:21,143 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-14 03:51:21,541 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-14 03:51:22,602 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 175 [2021-06-14 03:51:22,798 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-14 03:51:22,973 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-14 03:51:23,656 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-14 03:51:24,501 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-14 03:51:25,882 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-14 03:51:28,203 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-14 03:51:29,293 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-14 03:51:29,473 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-14 03:51:30,162 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-14 03:51:30,898 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-14 03:51:31,289 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-14 03:51:31,439 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-14 03:51:32,269 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-06-14 03:51:32,459 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-14 03:51:33,184 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-06-14 03:51:33,354 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-14 03:51:33,563 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-14 03:51:34,005 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-14 03:51:34,533 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 215 [2021-06-14 03:51:35,148 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-14 03:51:35,813 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-14 03:51:36,325 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-14 03:51:36,590 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-14 03:51:37,243 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-14 03:51:37,708 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-14 03:51:38,176 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-14 03:51:39,064 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-14 03:51:39,428 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-14 03:51:40,321 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-14 03:51:41,427 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-14 03:51:43,075 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-14 03:51:45,654 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-14 03:51:50,899 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-14 03:51:58,263 WARN L205 SmtUtils]: Spent 7.35 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-14 03:52:07,161 WARN L205 SmtUtils]: Spent 8.88 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-14 03:52:17,454 WARN L205 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-14 03:52:18,825 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-14 03:52:19,717 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-14 03:52:19,898 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-14 03:52:20,148 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-14 03:52:20,254 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-14 03:52:21,502 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-14 03:52:22,043 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-14 03:52:22,727 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-14 03:52:22,858 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-14 03:52:23,368 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-06-14 03:52:23,908 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-14 03:52:24,174 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-14 03:52:24,438 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-14 03:52:24,932 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-14 03:52:25,748 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-14 03:52:26,527 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-14 03:52:26,731 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-14 03:52:27,649 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-14 03:52:27,907 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-14 03:52:28,384 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-14 03:52:29,790 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-14 03:52:31,461 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-14 03:52:31,761 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-14 03:52:31,920 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-14 03:52:32,062 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-14 03:52:32,351 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-14 03:52:33,039 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-14 03:52:33,344 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-14 03:52:33,842 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-14 03:52:33,964 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-14 03:52:34,536 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-14 03:52:35,162 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-14 03:52:35,351 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-06-14 03:52:36,150 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-14 03:52:36,554 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-14 03:52:37,499 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-14 03:52:38,192 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-14 03:52:38,351 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-14 03:52:38,615 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-14 03:52:39,091 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-06-14 03:52:39,199 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-06-14 03:52:39,927 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-14 03:52:40,509 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-14 03:52:40,893 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-14 03:52:42,253 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-14 03:52:43,836 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-14 03:52:47,299 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-14 03:52:47,420 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-14 03:52:47,578 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-14 03:52:47,695 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-14 03:52:48,592 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-14 03:52:49,408 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 182 [2021-06-14 03:52:49,530 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-14 03:52:49,743 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-14 03:52:49,954 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-14 03:52:50,147 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-14 03:52:50,487 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-14 03:52:50,866 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-14 03:52:51,055 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-14 03:52:51,347 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-14 03:52:51,843 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-14 03:52:52,059 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-14 03:52:52,346 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-14 03:52:52,491 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-14 03:52:53,213 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-14 03:52:53,613 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-14 03:52:53,806 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-14 03:52:54,092 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-14 03:52:54,529 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-14 03:52:55,189 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-14 03:52:55,333 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-14 03:52:56,328 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-14 03:52:57,366 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-14 03:52:57,594 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-14 03:52:57,822 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-14 03:52:58,191 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-14 03:52:58,723 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-14 03:52:59,743 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-14 03:52:59,998 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-14 03:53:00,516 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-14 03:53:01,814 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-14 03:53:07,420 WARN L205 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-14 03:53:13,745 WARN L205 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-14 03:53:21,550 WARN L205 SmtUtils]: Spent 7.79 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-14 03:53:30,879 WARN L205 SmtUtils]: Spent 9.31 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-14 03:53:31,884 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-14 03:53:32,790 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-14 03:53:32,961 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-14 03:53:34,064 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-14 03:53:34,227 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-14 03:53:34,422 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-14 03:53:34,738 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-14 03:53:35,483 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 228 [2021-06-14 03:53:36,141 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-14 03:53:36,693 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-14 03:53:37,528 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-14 03:53:38,430 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-14 03:53:40,047 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-14 03:53:40,181 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-14 03:53:40,336 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-14 03:53:40,576 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-14 03:53:41,337 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-14 03:53:42,171 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-14 03:53:42,589 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-14 03:53:43,180 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-14 03:53:44,885 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-14 03:53:46,679 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-14 03:53:48,740 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-14 03:54:01,648 WARN L205 SmtUtils]: Spent 12.90 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-14 03:54:26,722 WARN L205 SmtUtils]: Spent 25.05 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-14 03:54:54,792 WARN L205 SmtUtils]: Spent 28.04 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-14 03:54:55,977 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-14 03:54:56,146 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-14 03:54:57,609 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-14 03:54:57,836 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-14 03:54:58,277 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-14 03:54:58,812 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-14 03:55:32,708 WARN L205 SmtUtils]: Spent 33.88 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-14 03:56:10,476 WARN L205 SmtUtils]: Spent 37.73 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-14 03:56:46,712 WARN L205 SmtUtils]: Spent 36.20 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-14 03:57:26,861 WARN L205 SmtUtils]: Spent 40.12 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-14 03:58:27,622 WARN L205 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-14 03:59:28,467 WARN L205 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-14 04:00:36,134 WARN L205 SmtUtils]: Spent 1.13 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-14 04:00:45,031 WARN L205 SmtUtils]: Spent 8.87 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-14 04:00:59,646 WARN L205 SmtUtils]: Spent 14.60 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-14 04:00:59,934 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-14 04:01:09,442 WARN L205 SmtUtils]: Spent 9.50 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-14 04:01:10,009 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-14 04:01:10,418 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-14 04:01:15,688 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-14 04:01:15,818 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-14 04:01:15,957 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-14 04:01:16,978 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 230 [2021-06-14 04:01:17,143 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-14 04:01:17,626 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-14 04:01:17,947 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-14 04:01:19,120 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-14 04:01:19,232 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-14 04:01:19,344 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-06-14 04:01:19,758 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-14 04:01:20,141 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-14 04:01:21,296 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-14 04:01:21,600 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-14 04:01:22,004 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-14 04:01:22,531 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-14 04:01:23,703 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-14 04:01:23,930 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-14 04:01:24,045 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-06-14 04:01:25,259 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-14 04:01:25,432 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-14 04:01:26,001 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-14 04:01:26,394 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-14 04:01:26,518 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-06-14 04:01:28,268 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-14 04:01:28,758 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-14 04:01:29,054 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-14 04:01:29,464 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-14 04:01:30,398 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-14 04:01:32,767 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-14 04:01:35,624 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-14 04:01:38,991 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-14 04:01:45,080 WARN L205 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-14 04:01:45,492 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-14 04:01:45,713 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-14 04:01:46,458 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-06-14 04:01:47,185 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-14 04:01:47,450 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-14 04:01:47,834 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-14 04:01:54,322 WARN L205 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-14 04:01:54,975 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-14 04:01:55,759 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-14 04:01:55,925 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-14 04:01:56,158 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-14 04:01:56,278 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-14 04:01:57,056 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-14 04:01:57,213 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-14 04:01:57,883 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-06-14 04:01:58,044 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-14 04:01:58,259 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-14 04:01:58,640 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-14 04:01:59,326 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-14 04:02:00,203 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-14 04:02:08,219 WARN L205 SmtUtils]: Spent 8.01 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-14 04:02:17,565 WARN L205 SmtUtils]: Spent 9.33 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-14 04:02:36,540 WARN L205 SmtUtils]: Spent 18.93 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-14 04:03:04,883 WARN L205 SmtUtils]: Spent 28.30 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown