/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:26:20,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:26:20,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:26:20,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 08:26:20,141 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 08:26:20,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:26:20,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:26:20,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:26:20,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:26:20,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:26:20,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:26:20,180 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:26:20,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:26:20,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:26:20,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:26:20,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:26:20,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:26:20,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:26:20,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:26:20,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:26:20,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:26:20,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:26:20,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:26:20,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:26:20,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:26:20,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:26:20,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:26:20,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:26:20,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:26:20,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:26:20,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:26:20,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:26:20,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:26:20,184 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:26:20,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:26:20,184 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:26:20,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:26:20,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:26:20,185 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:26:20,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:26:20,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:26:20,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:26:20,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:26:20,506 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:26:20,507 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:26:20,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-07-10 08:26:20,508 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-07-10 08:26:20,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:26:20,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:26:20,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:26:20,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:26:20,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:26:20,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:26:20,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:26:20,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:26:20,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:26:20,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... [2021-07-10 08:26:20,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:26:20,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:26:20,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:26:20,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:26:20,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:26:20,661 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:26:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:26:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:26:20,662 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:26:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:26:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:26:20,662 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:26:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:26:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:26:20,663 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 08:26:20,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:26:20,932 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 08:26:20,933 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 08:26:20,942 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:26:20 BoogieIcfgContainer [2021-07-10 08:26:20,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:26:20,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:26:20,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:26:20,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:26:20,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:26:20" (1/2) ... [2021-07-10 08:26:20,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600dc526 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:26:20, skipping insertion in model container [2021-07-10 08:26:20,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:26:20" (2/2) ... [2021-07-10 08:26:20,949 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-07-10 08:26:20,953 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:26:20,954 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:26:20,954 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:26:20,954 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:26:20,976 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 08:26:20,994 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 08:26:21,036 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:26:21,037 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:26:21,037 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:26:21,037 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:26:21,037 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:26:21,037 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:26:21,037 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:26:21,037 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:26:21,099 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:21,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:21,104 INFO L82 PathProgramCache]: Analyzing trace with hash 398626867, now seen corresponding path program 1 times [2021-07-10 08:26:21,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:21,115 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125607496] [2021-07-10 08:26:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:21,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:21,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125607496] [2021-07-10 08:26:21,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125607496] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 08:26:21,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 08:26:21,360 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 08:26:21,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347918879] [2021-07-10 08:26:21,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 08:26:21,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:21,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 08:26:21,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-10 08:26:21,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:21,377 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:21,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:21,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:21,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:21,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 08:26:21,426 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:21,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:21,427 INFO L82 PathProgramCache]: Analyzing trace with hash 941233489, now seen corresponding path program 1 times [2021-07-10 08:26:21,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:21,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683745904] [2021-07-10 08:26:21,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:21,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:21,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683745904] [2021-07-10 08:26:21,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683745904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:21,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413608142] [2021-07-10 08:26:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:21,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 08:26:21,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:21,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 08:26:21,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:21,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:21,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:21,994 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-10 08:26:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:22,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413608142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:22,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:22,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 08:26:22,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150218123] [2021-07-10 08:26:22,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 08:26:22,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:22,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 08:26:22,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-10 08:26:22,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:22,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:22,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:22,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:22,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:22,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:22,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:22,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:22,293 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:22,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:22,294 INFO L82 PathProgramCache]: Analyzing trace with hash 582169587, now seen corresponding path program 2 times [2021-07-10 08:26:22,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:22,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266399637] [2021-07-10 08:26:22,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:22,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:22,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266399637] [2021-07-10 08:26:22,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266399637] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:22,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504061769] [2021-07-10 08:26:22,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:22,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:26:22,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:22,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 08:26:22,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:22,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:22,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-10 08:26:22,642 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:22,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:22,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:22,645 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-10 08:26:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:22,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504061769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:22,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:22,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 08:26:22,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616718121] [2021-07-10 08:26:22,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 08:26:22,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:22,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 08:26:22,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-10 08:26:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:22,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:22,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:22,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:22,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:22,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:22,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:22,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:22,973 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:22,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:22,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1958876783, now seen corresponding path program 3 times [2021-07-10 08:26:22,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:22,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940362449] [2021-07-10 08:26:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:23,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:23,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940362449] [2021-07-10 08:26:23,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940362449] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:23,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750960364] [2021-07-10 08:26:23,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:23,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 08:26:23,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:23,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 08:26:23,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:23,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:23,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-10 08:26:23,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:23,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:23,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:23,429 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-10 08:26:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:23,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750960364] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:23,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:23,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-10 08:26:23,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988682299] [2021-07-10 08:26:23,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 08:26:23,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:23,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 08:26:23,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-10 08:26:23,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:23,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:23,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:23,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:23,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:23,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:23,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:23,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:23,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:23,741 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:23,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:23,741 INFO L82 PathProgramCache]: Analyzing trace with hash 873064371, now seen corresponding path program 4 times [2021-07-10 08:26:23,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:23,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345481392] [2021-07-10 08:26:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:23,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:23,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345481392] [2021-07-10 08:26:23,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345481392] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:23,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720128023] [2021-07-10 08:26:23,800 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:23,842 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:26:23,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:23,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 08:26:23,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:23,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720128023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:23,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:23,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 08:26:23,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934808737] [2021-07-10 08:26:23,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 08:26:23,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:23,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 08:26:23,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-10 08:26:23,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:23,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:23,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:23,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:23,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:24,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 08:26:24,202 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:24,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:24,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1986744626, now seen corresponding path program 1 times [2021-07-10 08:26:24,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:24,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411230124] [2021-07-10 08:26:24,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:24,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:24,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411230124] [2021-07-10 08:26:24,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411230124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:24,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666378645] [2021-07-10 08:26:24,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:24,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 08:26:24,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:24,636 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:24,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-10 08:26:24,687 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:24,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:24,690 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:24,690 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 08:26:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:24,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666378645] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:24,697 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:24,697 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-10 08:26:24,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414889891] [2021-07-10 08:26:24,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 08:26:24,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:24,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 08:26:24,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-10 08:26:24,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:24,703 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:24,703 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:24,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:24,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:24,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:24,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:24,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:24,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:24,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:24,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:25,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:25,141 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:25,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:25,141 INFO L82 PathProgramCache]: Analyzing trace with hash 472927956, now seen corresponding path program 2 times [2021-07-10 08:26:25,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:25,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572437301] [2021-07-10 08:26:25,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:25,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:25,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:25,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572437301] [2021-07-10 08:26:25,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572437301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:25,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941856407] [2021-07-10 08:26:25,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:25,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:26:25,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:25,324 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 08:26:25,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:25,599 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:25,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-10 08:26:25,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:25,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:25,743 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:25,743 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-10 08:26:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:25,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941856407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:25,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:25,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-10 08:26:25,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316823195] [2021-07-10 08:26:25,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 08:26:25,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:25,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 08:26:25,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 08:26:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:25,752 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:25,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:25,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:25,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:26,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-10 08:26:26,186 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:26,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:26,187 INFO L82 PathProgramCache]: Analyzing trace with hash 789251442, now seen corresponding path program 3 times [2021-07-10 08:26:26,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:26,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949733712] [2021-07-10 08:26:26,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:26,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:26,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949733712] [2021-07-10 08:26:26,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949733712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:26,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140051858] [2021-07-10 08:26:26,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:26,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 08:26:26,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:26,371 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 08:26:26,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:26,691 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:26,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-10 08:26:27,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:27,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:27,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:27,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-10 08:26:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:27,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140051858] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:27,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:27,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-10 08:26:27,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243131448] [2021-07-10 08:26:27,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 08:26:27,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:27,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 08:26:27,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-07-10 08:26:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:27,092 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:27,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:27,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:27,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:27,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:27,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:27,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-10 08:26:27,551 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:27,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:27,552 INFO L82 PathProgramCache]: Analyzing trace with hash 2005344916, now seen corresponding path program 4 times [2021-07-10 08:26:27,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:27,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624776165] [2021-07-10 08:26:27,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:27,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:27,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624776165] [2021-07-10 08:26:27,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624776165] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:27,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408891842] [2021-07-10 08:26:27,686 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:27,728 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:26:27,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:27,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 08:26:27,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:28,138 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:28,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-10 08:26:28,901 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:28,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:28,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:28,904 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-10 08:26:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:28,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408891842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:28,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:28,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-10 08:26:28,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041898789] [2021-07-10 08:26:28,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 08:26:28,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:28,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 08:26:28,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 08:26:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:28,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:28,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:28,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:29,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:29,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:26:29,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:29,435 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:29,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:29,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1049536946, now seen corresponding path program 5 times [2021-07-10 08:26:29,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:29,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961541104] [2021-07-10 08:26:29,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:29,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:29,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961541104] [2021-07-10 08:26:29,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961541104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:29,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527471771] [2021-07-10 08:26:29,529 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:29,571 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 08:26:29,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:29,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 08:26:29,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:29,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527471771] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:29,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:29,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-10 08:26:29,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462075819] [2021-07-10 08:26:29,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 08:26:29,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:29,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 08:26:29,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-10 08:26:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:29,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:29,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:29,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:29,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:26:29,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:29,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:29,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:26:29,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:26:30,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-07-10 08:26:30,014 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:30,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:30,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1132540141, now seen corresponding path program 6 times [2021-07-10 08:26:30,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:30,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926496471] [2021-07-10 08:26:30,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:30,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:30,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926496471] [2021-07-10 08:26:30,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926496471] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:30,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373132169] [2021-07-10 08:26:30,198 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:30,232 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 08:26:30,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:30,233 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 08:26:30,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:30,746 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 08:26:30,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:30,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-10 08:26:32,457 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 206 [2021-07-10 08:26:32,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:33,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:33,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:33,000 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 08:26:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:33,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373132169] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:33,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:33,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-10 08:26:33,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059571968] [2021-07-10 08:26:33,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 08:26:33,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:33,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 08:26:33,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-10 08:26:33,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:33,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:33,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:33,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:33,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:26:33,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:26:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:26:33,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-10 08:26:33,761 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:33,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:33,762 INFO L82 PathProgramCache]: Analyzing trace with hash -540997967, now seen corresponding path program 7 times [2021-07-10 08:26:33,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:33,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042194536] [2021-07-10 08:26:33,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:34,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:34,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042194536] [2021-07-10 08:26:34,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042194536] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:34,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451850473] [2021-07-10 08:26:34,195 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:34,232 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 08:26:34,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:34,801 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-10 08:26:34,801 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:34,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-10 08:26:36,095 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-10 08:26:37,096 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-10 08:26:37,247 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-10 08:26:37,536 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 08:26:37,842 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-10 08:26:38,175 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-10 08:26:38,631 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-10 08:26:39,352 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 08:26:39,482 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-10 08:26:39,669 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-10 08:26:40,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:26:40,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:40,739 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:26:40,739 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-10 08:26:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:40,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451850473] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:40,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:26:40,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-10 08:26:40,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978830178] [2021-07-10 08:26:40,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 08:26:40,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:26:40,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 08:26:40,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-07-10 08:26:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:40,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:26:40,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:26:40,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:26:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:26:41,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:26:41,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-07-10 08:26:41,386 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:26:41,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:26:41,386 INFO L82 PathProgramCache]: Analyzing trace with hash 616940243, now seen corresponding path program 8 times [2021-07-10 08:26:41,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:26:41,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839200217] [2021-07-10 08:26:41,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:26:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:26:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:26:41,641 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:26:41,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839200217] [2021-07-10 08:26:41,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839200217] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:26:41,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966782139] [2021-07-10 08:26:41,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:26:41,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:26:41,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:26:41,671 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-10 08:26:41,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:26:42,294 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-10 08:26:42,294 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:26:42,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-10 08:26:43,347 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-10 08:26:43,525 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 08:26:43,709 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-10 08:26:43,908 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-10 08:26:44,293 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-10 08:26:44,503 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-10 08:26:44,754 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-10 08:26:44,948 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-10 08:26:45,444 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-10 08:26:45,547 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-07-10 08:26:46,201 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-10 08:26:46,442 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-10 08:26:46,564 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-10 08:26:47,789 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-10 08:26:48,259 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-10 08:26:48,490 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-10 08:26:49,395 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-10 08:26:49,928 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-10 08:26:50,318 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 207 [2021-07-10 08:26:50,440 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-10 08:26:50,709 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-10 08:26:51,478 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 08:26:52,251 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-10 08:26:53,105 WARN L205 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-10 08:26:54,138 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-10 08:26:54,320 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-10 08:26:55,174 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-10 08:26:55,517 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-10 08:26:56,080 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-10 08:26:56,564 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 08:26:57,040 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-10 08:26:57,580 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-10 08:26:58,141 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-10 08:26:58,390 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-10 08:26:58,588 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-10 08:26:58,799 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-10 08:26:59,612 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-10 08:27:00,150 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 239 [2021-07-10 08:27:00,352 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-10 08:27:00,631 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-10 08:27:01,437 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-10 08:27:01,906 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-10 08:27:02,457 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-10 08:27:03,484 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-10 08:27:04,385 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-10 08:27:05,468 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-10 08:27:06,523 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 08:27:07,581 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-10 08:27:08,716 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-10 08:27:08,881 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-10 08:27:09,239 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-10 08:27:09,965 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-10 08:27:10,130 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 08:27:10,302 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-10 08:27:10,473 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-10 08:27:10,652 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-10 08:27:10,977 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:27:10,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:27:10,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:27:10,978 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-10 08:27:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:27:10,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966782139] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:27:10,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:27:10,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-10 08:27:10,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122011108] [2021-07-10 08:27:10,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 08:27:10,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:27:10,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 08:27:10,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-10 08:27:10,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:27:10,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:27:10,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:27:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:27:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:27:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:27:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:27:10,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:27:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 08:27:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:27:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 08:27:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 08:27:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 08:27:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:27:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 08:27:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:27:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:27:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 08:27:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 08:27:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 08:27:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 08:27:11,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-07-10 08:27:11,747 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:27:11,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:27:11,748 INFO L82 PathProgramCache]: Analyzing trace with hash -2141680911, now seen corresponding path program 9 times [2021-07-10 08:27:11,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:27:11,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960396743] [2021-07-10 08:27:11,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:27:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:27:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:27:11,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:27:11,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960396743] [2021-07-10 08:27:11,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960396743] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:27:11,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515350333] [2021-07-10 08:27:11,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:27:12,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 08:27:12,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:27:12,016 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 08:27:12,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:27:12,742 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-10 08:27:12,742 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:27:12,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-10 08:27:14,204 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-10 08:27:14,377 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-10 08:27:14,597 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-10 08:27:15,913 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-10 08:27:16,109 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-10 08:27:16,376 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-10 08:27:16,922 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-10 08:27:17,486 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-10 08:27:18,144 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-10 08:27:18,961 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-10 08:27:19,851 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 08:27:20,736 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-10 08:27:21,782 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-10 08:27:24,181 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-10 08:27:25,909 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-10 08:27:26,971 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-10 08:27:28,574 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-10 08:27:29,419 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-10 08:27:29,765 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-10 08:27:30,739 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-10 08:27:30,851 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-10 08:27:30,999 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 08:27:32,041 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-10 08:27:32,231 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-10 08:27:32,428 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-10 08:27:33,335 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-10 08:27:33,684 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-10 08:27:34,086 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-10 08:27:35,240 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-10 08:27:35,411 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-10 08:27:35,954 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-10 08:27:36,438 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-10 08:27:36,607 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-10 08:27:36,818 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-10 08:27:36,985 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-10 08:27:37,612 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-10 08:27:37,903 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-10 08:27:38,027 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-10 08:27:38,191 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-10 08:27:38,352 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-10 08:27:38,950 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-10 08:27:39,651 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-10 08:27:39,835 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-10 08:27:40,065 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-10 08:27:40,397 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-10 08:27:41,792 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-10 08:27:41,944 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-10 08:27:42,413 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-10 08:27:43,458 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-10 08:27:44,911 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-10 08:27:45,089 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-10 08:27:45,292 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-10 08:27:45,445 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-10 08:27:46,282 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-10 08:27:46,452 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-10 08:27:46,808 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-10 08:27:47,749 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-10 08:27:48,000 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-10 08:27:48,475 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2021-07-10 08:27:48,603 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2021-07-10 08:27:49,167 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-10 08:27:49,362 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-10 08:27:49,861 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-10 08:27:50,501 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-10 08:27:51,243 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-10 08:27:52,764 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-10 08:27:52,919 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-10 08:27:53,155 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-10 08:27:53,428 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-10 08:27:54,162 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-10 08:27:54,621 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-10 08:27:54,870 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-10 08:27:55,464 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-10 08:27:55,822 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-10 08:27:56,190 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-10 08:27:57,215 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-10 08:27:57,382 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-10 08:27:58,035 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-10 08:27:58,780 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-10 08:28:00,100 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-10 08:28:02,244 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-10 08:28:03,254 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-10 08:28:03,435 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-10 08:28:04,132 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-10 08:28:04,849 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-10 08:28:05,223 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-10 08:28:05,368 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-10 08:28:06,349 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-10 08:28:07,213 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-10 08:28:07,409 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-10 08:28:07,833 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-10 08:28:08,867 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-10 08:28:09,456 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-10 08:28:09,925 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-10 08:28:10,183 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-10 08:28:10,746 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-10 08:28:11,183 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-10 08:28:11,625 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-10 08:28:12,493 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-10 08:28:12,842 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-10 08:28:13,669 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-10 08:28:14,699 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-10 08:28:16,221 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-10 08:28:18,612 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-10 08:28:23,557 WARN L205 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-10 08:28:30,173 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-10 08:28:38,550 WARN L205 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-10 08:28:48,225 WARN L205 SmtUtils]: Spent 9.66 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-10 08:28:49,619 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-10 08:28:50,477 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-10 08:28:50,648 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-10 08:28:50,885 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-10 08:28:50,993 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-10 08:28:52,154 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-10 08:28:52,647 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-10 08:28:53,295 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 08:28:53,428 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-10 08:28:53,921 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-10 08:28:54,377 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-10 08:28:54,621 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 08:28:54,872 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-10 08:28:55,324 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-10 08:28:56,088 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-10 08:28:56,822 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-10 08:28:57,010 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-10 08:28:57,881 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-10 08:28:58,126 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-10 08:28:58,578 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-10 08:28:59,893 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-10 08:29:01,444 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-10 08:29:01,730 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-10 08:29:01,880 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-10 08:29:02,016 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-10 08:29:02,241 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-10 08:29:02,927 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-10 08:29:03,207 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-10 08:29:03,689 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-10 08:29:03,806 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-10 08:29:04,350 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-10 08:29:04,938 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-10 08:29:05,119 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-10 08:29:05,875 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-10 08:29:06,263 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-10 08:29:07,080 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-10 08:29:07,754 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-10 08:29:07,908 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-10 08:29:08,165 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-10 08:29:08,725 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-10 08:29:09,437 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-10 08:29:10,006 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-10 08:29:10,392 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-10 08:29:11,654 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-10 08:29:13,140 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-10 08:29:16,443 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-10 08:29:16,568 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-10 08:29:16,722 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-10 08:29:16,834 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-10 08:29:17,700 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-10 08:29:18,623 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-10 08:29:18,820 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-10 08:29:19,035 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-10 08:29:19,266 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-10 08:29:19,603 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-10 08:29:19,969 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-10 08:29:20,143 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-10 08:29:20,425 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-10 08:29:20,904 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-10 08:29:21,084 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-10 08:29:21,342 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-10 08:29:21,489 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-10 08:29:22,116 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-10 08:29:22,518 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-10 08:29:22,709 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-10 08:29:22,977 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-10 08:29:23,403 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-10 08:29:24,014 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-10 08:29:24,156 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-10 08:29:25,092 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-10 08:29:26,072 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-10 08:29:26,291 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 08:29:26,509 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-10 08:29:26,859 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-10 08:29:27,371 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-10 08:29:28,363 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-10 08:29:28,610 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-10 08:29:29,098 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-10 08:29:30,329 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-10 08:29:35,637 WARN L205 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-10 08:29:41,570 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-10 08:29:48,959 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-10 08:29:57,750 WARN L205 SmtUtils]: Spent 8.78 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-10 08:29:58,728 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-10 08:29:59,585 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-10 08:29:59,755 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-10 08:30:00,814 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-10 08:30:00,965 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-10 08:30:01,148 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-10 08:30:01,430 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-10 08:30:02,329 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-10 08:30:02,843 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-10 08:30:03,616 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-10 08:30:04,474 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-10 08:30:06,100 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-10 08:30:06,234 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-10 08:30:06,381 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-10 08:30:06,604 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-10 08:30:07,344 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-10 08:30:08,145 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-10 08:30:08,538 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-10 08:30:09,090 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-10 08:30:10,711 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-10 08:30:12,423 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-10 08:30:14,360 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-10 08:30:26,626 WARN L205 SmtUtils]: Spent 12.26 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-10 08:30:50,277 WARN L205 SmtUtils]: Spent 23.62 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-10 08:31:16,584 WARN L205 SmtUtils]: Spent 26.26 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-10 08:31:17,751 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-10 08:31:17,905 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-10 08:31:19,327 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-10 08:31:19,535 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-10 08:31:19,959 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-10 08:31:20,468 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-10 08:31:50,245 WARN L205 SmtUtils]: Spent 29.76 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-10 08:32:24,260 WARN L205 SmtUtils]: Spent 33.98 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 08:32:58,062 WARN L205 SmtUtils]: Spent 33.76 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-10 08:33:38,437 WARN L205 SmtUtils]: Spent 40.35 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-10 08:34:35,839 WARN L205 SmtUtils]: Spent 57.36 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-10 08:35:33,171 WARN L205 SmtUtils]: Spent 57.28 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-10 08:36:32,650 WARN L205 SmtUtils]: Spent 59.44 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-10 08:36:40,364 WARN L205 SmtUtils]: Spent 7.69 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-10 08:36:53,717 WARN L205 SmtUtils]: Spent 13.34 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-10 08:36:53,989 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-10 08:37:02,618 WARN L205 SmtUtils]: Spent 8.62 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-10 08:37:03,141 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-10 08:37:03,533 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-10 08:37:08,398 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-10 08:37:08,521 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-10 08:37:08,632 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-10 08:37:09,584 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 230 [2021-07-10 08:37:09,732 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-10 08:37:10,197 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-10 08:37:10,507 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-10 08:37:11,626 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-10 08:37:11,731 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-10 08:37:12,222 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-10 08:37:12,591 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-10 08:37:13,698 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-10 08:37:13,978 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-10 08:37:14,347 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-10 08:37:14,826 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-10 08:37:15,915 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-10 08:37:16,134 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-10 08:37:17,393 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-10 08:37:17,561 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-10 08:37:18,074 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-10 08:37:18,453 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-10 08:37:18,558 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-10 08:37:20,208 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-10 08:37:20,660 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-10 08:37:20,934 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-10 08:37:21,316 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-10 08:37:22,190 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-10 08:37:24,433 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-10 08:37:27,120 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-10 08:37:30,300 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-10 08:37:35,743 WARN L205 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-10 08:37:36,139 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-10 08:37:36,354 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-10 08:37:37,823 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-10 08:37:38,069 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-10 08:37:38,437 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-10 08:37:44,376 WARN L205 SmtUtils]: Spent 5.93 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-10 08:37:45,006 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-10 08:37:45,758 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-10 08:37:45,911 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-10 08:37:46,137 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-10 08:37:46,243 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-10 08:37:46,970 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-10 08:37:47,134 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-10 08:37:47,951 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-10 08:37:48,162 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-10 08:37:48,532 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-10 08:37:49,189 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-10 08:37:50,056 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-10 08:37:57,749 WARN L205 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-10 08:38:06,720 WARN L205 SmtUtils]: Spent 8.95 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-10 08:38:24,756 WARN L205 SmtUtils]: Spent 18.00 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-10 08:38:50,965 WARN L205 SmtUtils]: Spent 26.17 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-10 08:40:07,699 WARN L205 SmtUtils]: Spent 1.28 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-10 08:40:26,230 WARN L205 SmtUtils]: Spent 18.51 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-10 08:40:26,659 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-10 08:40:26,887 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-10 08:40:26,990 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-10 08:40:28,017 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-10 08:40:28,269 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-10 08:40:28,413 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-10 08:40:29,249 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-10 08:40:29,472 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-10 08:40:29,773 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-10 08:40:30,591 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-10 08:40:31,293 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 [2021-07-10 08:40:48,826 WARN L205 SmtUtils]: Spent 17.52 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown