/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 16:01:00,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 16:01:00,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 16:01:00,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 16:01:00,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-14 16:01:00,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 16:01:00,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 16:01:00,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 16:01:00,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 16:01:00,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 16:01:00,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 16:01:00,705 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 16:01:00,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 16:01:00,705 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 16:01:00,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 16:01:00,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 16:01:00,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 16:01:00,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 16:01:00,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 16:01:00,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 16:01:00,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 16:01:00,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 16:01:00,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 16:01:00,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 16:01:00,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 16:01:00,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 16:01:00,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 16:01:00,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 16:01:00,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 16:01:00,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 16:01:00,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 16:01:00,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 16:01:00,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 16:01:00,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 16:01:00,709 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 16:01:00,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 16:01:00,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 16:01:00,709 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 16:01:00,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 16:01:00,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 16:01:00,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 16:01:00,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 16:01:00,984 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 16:01:00,985 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 16:01:00,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-06-14 16:01:01,001 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-06-14 16:01:01,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 16:01:01,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 16:01:01,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 16:01:01,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 16:01:01,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 16:01:01,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 16:01:01,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 16:01:01,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 16:01:01,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 16:01:01,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... [2021-06-14 16:01:01,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 16:01:01,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 16:01:01,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 16:01:01,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 16:01:01,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 16:01:01,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 16:01:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 16:01:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 16:01:01,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 16:01:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 16:01:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 16:01:01,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 16:01:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 16:01:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 16:01:01,162 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 16:01:01,548 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 16:01:01,548 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-14 16:01:01,549 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 16:01:01,550 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:01:01 BoogieIcfgContainer [2021-06-14 16:01:01,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 16:01:01,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 16:01:01,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 16:01:01,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 16:01:01,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:01:01" (1/2) ... [2021-06-14 16:01:01,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da398ec and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:01:01, skipping insertion in model container [2021-06-14 16:01:01,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:01:01" (2/2) ... [2021-06-14 16:01:01,559 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-06-14 16:01:01,564 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 16:01:01,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 16:01:01,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 16:01:01,565 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 16:01:01,608 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 16:01:01,628 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 16:01:01,689 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 16:01:01,689 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 16:01:01,689 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 16:01:01,690 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 16:01:01,691 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 16:01:01,691 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 16:01:01,691 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 16:01:01,691 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 16:01:01,769 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:01,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:01,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1298021065, now seen corresponding path program 1 times [2021-06-14 16:01:01,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:01,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519281387] [2021-06-14 16:01:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:01,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:01,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519281387] [2021-06-14 16:01:01,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519281387] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 16:01:01,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 16:01:01,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 16:01:01,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679384555] [2021-06-14 16:01:01,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-14 16:01:02,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:02,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-14 16:01:02,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-14 16:01:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:02,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:02,012 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:02,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:02,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:02,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 16:01:02,046 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:02,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1876900165, now seen corresponding path program 1 times [2021-06-14 16:01:02,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:02,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726593953] [2021-06-14 16:01:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:02,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:02,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726593953] [2021-06-14 16:01:02,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726593953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:02,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578973458] [2021-06-14 16:01:02,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:02,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-14 16:01:02,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:02,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-14 16:01:02,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:02,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:02,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:02,482 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-14 16:01:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:02,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578973458] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:02,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:02,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-14 16:01:02,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761142160] [2021-06-14 16:01:02,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-14 16:01:02,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:02,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-14 16:01:02,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-14 16:01:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:02,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:02,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:02,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:02,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:02,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:02,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:02,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:02,791 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:02,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:02,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1515210487, now seen corresponding path program 2 times [2021-06-14 16:01:02,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:02,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82438015] [2021-06-14 16:01:02,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:02,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:02,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82438015] [2021-06-14 16:01:02,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82438015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:02,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134251581] [2021-06-14 16:01:02,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:03,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 16:01:03,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:03,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 16:01:03,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:03,140 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:03,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-14 16:01:03,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:03,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:03,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:03,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-14 16:01:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:03,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134251581] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:03,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:03,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-14 16:01:03,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065463316] [2021-06-14 16:01:03,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 16:01:03,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:03,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 16:01:03,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-14 16:01:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:03,162 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:03,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:03,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:03,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:03,463 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:03,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:03,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1107234939, now seen corresponding path program 3 times [2021-06-14 16:01:03,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:03,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718299703] [2021-06-14 16:01:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:03,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:03,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718299703] [2021-06-14 16:01:03,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718299703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:03,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649775405] [2021-06-14 16:01:03,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:03,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 16:01:03,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:03,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 16:01:03,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:03,905 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:03,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-14 16:01:03,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:03,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:03,930 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:03,930 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-14 16:01:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:03,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649775405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:03,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:03,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-14 16:01:03,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978352255] [2021-06-14 16:01:03,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 16:01:03,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:03,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 16:01:03,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-14 16:01:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:03,938 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:03,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:03,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:03,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:03,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:03,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:04,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:04,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:04,217 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:04,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:04,217 INFO L82 PathProgramCache]: Analyzing trace with hash -798664521, now seen corresponding path program 4 times [2021-06-14 16:01:04,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:04,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978583334] [2021-06-14 16:01:04,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:04,274 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:04,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978583334] [2021-06-14 16:01:04,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978583334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:04,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707001066] [2021-06-14 16:01:04,275 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:04,307 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 16:01:04,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:04,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-14 16:01:04,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:04,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707001066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:04,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:04,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-14 16:01:04,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336865738] [2021-06-14 16:01:04,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-14 16:01:04,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:04,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-14 16:01:04,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-14 16:01:04,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:04,365 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:04,365 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:04,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:04,633 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-14 16:01:04,633 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:04,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:04,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1836816026, now seen corresponding path program 1 times [2021-06-14 16:01:04,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:04,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968517310] [2021-06-14 16:01:04,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:04,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:04,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968517310] [2021-06-14 16:01:04,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968517310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:04,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268937677] [2021-06-14 16:01:04,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:04,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 16:01:04,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:05,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:05,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-14 16:01:05,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:05,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:05,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:05,121 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-14 16:01:05,127 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:05,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268937677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:05,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:05,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-14 16:01:05,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633544443] [2021-06-14 16:01:05,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 16:01:05,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:05,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 16:01:05,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-14 16:01:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:05,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:05,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:05,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:05,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:05,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:05,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:05,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:05,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:05,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:05,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:05,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:05,501 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:05,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:05,501 INFO L82 PathProgramCache]: Analyzing trace with hash 2020244300, now seen corresponding path program 2 times [2021-06-14 16:01:05,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:05,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015434304] [2021-06-14 16:01:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:05,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:05,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015434304] [2021-06-14 16:01:05,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015434304] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:05,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792437274] [2021-06-14 16:01:05,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:05,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 16:01:05,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:05,712 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-14 16:01:05,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:05,942 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:05,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-14 16:01:06,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:06,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:06,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:06,084 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-14 16:01:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:06,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792437274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:06,091 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:06,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-14 16:01:06,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883502360] [2021-06-14 16:01:06,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-14 16:01:06,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:06,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-14 16:01:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-14 16:01:06,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:06,092 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:06,093 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:06,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:06,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:06,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:06,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:06,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:06,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:06,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:06,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-14 16:01:06,462 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:06,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:06,462 INFO L82 PathProgramCache]: Analyzing trace with hash -883413798, now seen corresponding path program 3 times [2021-06-14 16:01:06,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:06,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120215135] [2021-06-14 16:01:06,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:06,612 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:06,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120215135] [2021-06-14 16:01:06,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120215135] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:06,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926482193] [2021-06-14 16:01:06,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:06,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 16:01:06,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:06,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-14 16:01:06,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:06,928 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:06,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-14 16:01:07,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:07,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:07,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:07,283 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-14 16:01:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:07,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926482193] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:07,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:07,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-14 16:01:07,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681018409] [2021-06-14 16:01:07,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 16:01:07,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:07,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 16:01:07,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-06-14 16:01:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:07,292 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:07,292 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:07,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:07,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:07,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-14 16:01:07,662 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:07,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:07,663 INFO L82 PathProgramCache]: Analyzing trace with hash -702501620, now seen corresponding path program 4 times [2021-06-14 16:01:07,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:07,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777648213] [2021-06-14 16:01:07,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:07,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:07,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777648213] [2021-06-14 16:01:07,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777648213] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:07,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458094975] [2021-06-14 16:01:07,796 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:07,831 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 16:01:07,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:07,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-14 16:01:07,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:08,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:08,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-06-14 16:01:09,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:09,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:09,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:09,073 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-14 16:01:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:09,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458094975] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:09,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:09,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-14 16:01:09,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124083999] [2021-06-14 16:01:09,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 16:01:09,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:09,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 16:01:09,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-14 16:01:09,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:09,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:09,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:09,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:09,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:09,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:09,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:09,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:09,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:09,495 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:09,495 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:09,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:09,495 INFO L82 PathProgramCache]: Analyzing trace with hash 610808602, now seen corresponding path program 5 times [2021-06-14 16:01:09,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:09,496 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760281575] [2021-06-14 16:01:09,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:09,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:09,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760281575] [2021-06-14 16:01:09,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760281575] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:09,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561685584] [2021-06-14 16:01:09,567 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:09,597 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 16:01:09,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:09,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-14 16:01:09,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:09,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561685584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:09,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:09,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-14 16:01:09,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693344714] [2021-06-14 16:01:09,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-14 16:01:09,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:09,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-14 16:01:09,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-06-14 16:01:09,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:09,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:09,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:09,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:09,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:09,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 16:01:09,975 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-06-14 16:01:09,975 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:09,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:09,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1714157417, now seen corresponding path program 6 times [2021-06-14 16:01:09,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:09,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357800563] [2021-06-14 16:01:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:10,160 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:10,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357800563] [2021-06-14 16:01:10,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357800563] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:10,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940671846] [2021-06-14 16:01:10,160 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:10,192 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 16:01:10,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:10,193 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-14 16:01:10,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:10,690 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:10,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-14 16:01:12,151 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 165 [2021-06-14 16:01:13,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:13,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:13,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:13,008 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-14 16:01:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:13,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940671846] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:13,016 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:13,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-06-14 16:01:13,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863438775] [2021-06-14 16:01:13,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 16:01:13,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:13,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 16:01:13,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-06-14 16:01:13,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:13,018 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:13,019 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 16:01:13,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 16:01:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 16:01:13,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-14 16:01:13,577 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:13,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:13,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1951548197, now seen corresponding path program 7 times [2021-06-14 16:01:13,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:13,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100026331] [2021-06-14 16:01:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:13,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:13,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100026331] [2021-06-14 16:01:13,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100026331] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:13,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61803499] [2021-06-14 16:01:13,772 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:13,799 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-14 16:01:13,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:14,350 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-14 16:01:14,350 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:14,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-14 16:01:15,491 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 213 [2021-06-14 16:01:15,599 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 231 [2021-06-14 16:01:15,757 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-14 16:01:16,738 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-06-14 16:01:16,890 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-14 16:01:17,211 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-14 16:01:17,501 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-14 16:01:17,838 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-14 16:01:18,283 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-14 16:01:19,047 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-14 16:01:19,187 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-14 16:01:19,434 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-14 16:01:20,311 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 212 [2021-06-14 16:01:20,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:20,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:20,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:20,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-14 16:01:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:20,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61803499] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:20,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:20,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-14 16:01:20,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062363315] [2021-06-14 16:01:20,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-14 16:01:20,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:20,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-14 16:01:20,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-06-14 16:01:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:20,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:20,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:20,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 16:01:20,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 16:01:20,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 16:01:20,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 16:01:21,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-14 16:01:21,085 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:21,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:21,085 INFO L82 PathProgramCache]: Analyzing trace with hash -375694761, now seen corresponding path program 8 times [2021-06-14 16:01:21,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:21,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700652111] [2021-06-14 16:01:21,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:21,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:21,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700652111] [2021-06-14 16:01:21,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700652111] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:21,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827307257] [2021-06-14 16:01:21,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:21,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 16:01:21,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:21,414 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-14 16:01:21,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:22,054 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-14 16:01:22,055 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:22,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-06-14 16:01:23,097 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-14 16:01:23,280 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-14 16:01:23,463 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-14 16:01:23,669 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-14 16:01:24,055 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-14 16:01:24,266 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-14 16:01:24,514 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-14 16:01:24,713 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-14 16:01:25,262 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-14 16:01:26,029 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-14 16:01:26,269 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-14 16:01:26,390 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-14 16:01:27,570 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-14 16:01:28,027 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-14 16:01:28,229 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-14 16:01:29,159 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-14 16:01:29,687 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-14 16:01:30,185 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-14 16:01:30,457 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-14 16:01:31,231 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-14 16:01:32,104 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-14 16:01:32,970 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-14 16:01:34,010 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-14 16:01:34,219 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-14 16:01:35,081 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-14 16:01:35,430 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-14 16:01:35,922 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-14 16:01:36,406 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-14 16:01:36,900 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-14 16:01:37,451 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-14 16:01:38,041 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-14 16:01:38,293 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-14 16:01:38,501 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-14 16:01:38,715 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-14 16:01:39,479 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 261 [2021-06-14 16:01:39,596 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-14 16:01:40,272 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-14 16:01:40,560 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-14 16:01:41,384 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-06-14 16:01:41,884 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-14 16:01:42,414 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-14 16:01:43,462 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-14 16:01:44,400 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-14 16:01:45,535 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-14 16:01:46,612 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-14 16:01:47,715 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-14 16:01:48,906 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-14 16:01:49,072 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-14 16:01:49,414 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-14 16:01:50,254 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-14 16:01:50,423 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-14 16:01:50,623 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-14 16:01:50,806 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-14 16:01:50,992 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-14 16:01:51,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 16:01:51,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:51,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 16:01:51,329 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-14 16:01:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:51,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827307257] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:51,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 16:01:51,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-14 16:01:51,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445407163] [2021-06-14 16:01:51,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 16:01:51,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 16:01:51,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 16:01:51,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-14 16:01:51,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:51,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 16:01:51,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 16:01:51,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:51,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:51,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:51,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 16:01:51,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 16:01:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 16:01:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 16:01:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 16:01:51,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-06-14 16:01:51,819 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 16:01:51,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 16:01:51,820 INFO L82 PathProgramCache]: Analyzing trace with hash 494217573, now seen corresponding path program 9 times [2021-06-14 16:01:51,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 16:01:51,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841821886] [2021-06-14 16:01:51,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 16:01:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 16:01:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 16:01:52,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 16:01:52,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841821886] [2021-06-14 16:01:52,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841821886] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 16:01:52,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726370231] [2021-06-14 16:01:52,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 16:01:52,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-14 16:01:52,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 16:01:52,116 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-14 16:01:52,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 16:01:52,824 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-14 16:01:52,824 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 16:01:52,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-06-14 16:01:54,317 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-14 16:01:54,485 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-14 16:01:54,686 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-14 16:01:56,022 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-14 16:01:56,212 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-14 16:01:56,474 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-14 16:01:57,024 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-14 16:01:57,593 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-14 16:01:58,244 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-14 16:01:59,044 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-14 16:01:59,975 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-14 16:02:00,895 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-14 16:02:01,952 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-14 16:02:04,259 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-14 16:02:05,986 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-14 16:02:07,109 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-14 16:02:08,709 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-14 16:02:09,561 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-14 16:02:09,899 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-14 16:02:10,881 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-14 16:02:10,997 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-14 16:02:11,139 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-14 16:02:12,160 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-14 16:02:12,352 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-14 16:02:12,562 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-14 16:02:13,401 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-14 16:02:13,766 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-14 16:02:14,166 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-14 16:02:15,283 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-14 16:02:15,451 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-14 16:02:15,967 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-14 16:02:16,452 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-14 16:02:16,612 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-14 16:02:16,825 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-14 16:02:16,984 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-14 16:02:17,606 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-14 16:02:17,893 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-14 16:02:18,021 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-14 16:02:18,178 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-14 16:02:18,343 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-14 16:02:18,926 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-14 16:02:19,574 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-14 16:02:19,746 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-14 16:02:19,992 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-14 16:02:20,324 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-14 16:02:21,687 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-14 16:02:21,870 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-14 16:02:22,346 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-14 16:02:23,395 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-14 16:02:24,890 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-14 16:02:25,059 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-14 16:02:25,271 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-14 16:02:25,420 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-14 16:02:26,250 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-14 16:02:26,419 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-14 16:02:26,766 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-06-14 16:02:27,707 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-14 16:02:27,946 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-14 16:02:29,006 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-14 16:02:29,208 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-14 16:02:29,703 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-14 16:02:30,347 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-14 16:02:31,089 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-14 16:02:32,282 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-14 16:02:32,593 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-14 16:02:32,752 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-14 16:02:32,992 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-14 16:02:33,274 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-14 16:02:33,995 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-14 16:02:34,458 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-14 16:02:34,726 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-14 16:02:35,257 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-14 16:02:35,656 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-14 16:02:36,030 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-14 16:02:37,117 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-14 16:02:37,294 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-14 16:02:37,940 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-14 16:02:38,694 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-14 16:02:40,004 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-14 16:02:42,178 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-14 16:02:43,159 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-14 16:02:43,331 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-14 16:02:43,994 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-14 16:02:44,709 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-14 16:02:45,080 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-14 16:02:45,222 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-14 16:02:46,026 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-06-14 16:02:46,202 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-14 16:02:46,543 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2021-06-14 16:02:47,109 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-14 16:02:47,306 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-14 16:02:47,727 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-14 16:02:48,756 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-14 16:02:49,346 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-14 16:02:49,816 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-14 16:02:50,063 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-14 16:02:50,618 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-14 16:02:51,055 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-14 16:02:51,519 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-14 16:02:52,362 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-14 16:02:52,707 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-14 16:02:53,565 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-14 16:02:54,615 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-14 16:02:56,205 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-14 16:02:58,641 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-14 16:03:03,654 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-14 16:03:10,524 WARN L205 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-14 16:03:19,071 WARN L205 SmtUtils]: Spent 8.53 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-14 16:03:29,044 WARN L205 SmtUtils]: Spent 9.96 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-14 16:03:30,369 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-14 16:03:31,235 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-14 16:03:31,411 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-14 16:03:31,651 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-14 16:03:31,764 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-14 16:03:32,911 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-14 16:03:33,435 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-14 16:03:34,088 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-14 16:03:34,213 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-14 16:03:34,699 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-06-14 16:03:35,153 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-14 16:03:35,416 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-14 16:03:35,693 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-14 16:03:36,156 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-14 16:03:36,944 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-14 16:03:37,674 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-14 16:03:37,859 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-14 16:03:38,740 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-14 16:03:38,982 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-14 16:03:39,442 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-14 16:03:40,754 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-14 16:03:42,372 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-14 16:03:42,666 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-14 16:03:42,830 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-14 16:03:42,960 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-14 16:03:43,193 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-14 16:03:43,889 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-14 16:03:44,184 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-14 16:03:44,660 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-14 16:03:44,770 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-14 16:03:45,315 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-14 16:03:45,904 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-14 16:03:46,086 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-06-14 16:03:46,842 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-14 16:03:47,251 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-14 16:03:48,068 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-14 16:03:48,737 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-14 16:03:48,893 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-14 16:03:49,138 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-14 16:03:49,599 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-06-14 16:03:49,702 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-06-14 16:03:50,428 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-14 16:03:51,008 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-14 16:03:51,377 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-14 16:03:52,751 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-14 16:03:54,299 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-14 16:03:57,669 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-14 16:03:57,791 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-06-14 16:03:57,941 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-14 16:03:58,054 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-14 16:03:58,946 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-14 16:03:59,829 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-14 16:04:00,032 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-14 16:04:00,238 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-14 16:04:00,421 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-14 16:04:00,754 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-14 16:04:01,119 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-14 16:04:01,299 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-14 16:04:01,574 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-14 16:04:02,038 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-14 16:04:02,222 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-14 16:04:02,475 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-14 16:04:02,634 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-14 16:04:03,259 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-14 16:04:03,643 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-14 16:04:03,826 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-14 16:04:04,099 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-14 16:04:04,526 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-14 16:04:05,143 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-14 16:04:05,297 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-14 16:04:06,251 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-14 16:04:07,271 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-14 16:04:07,492 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-14 16:04:07,706 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-14 16:04:08,056 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-14 16:04:08,566 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-14 16:04:09,564 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-14 16:04:09,807 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-14 16:04:10,305 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-14 16:04:11,561 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-14 16:04:16,943 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-14 16:04:23,124 WARN L205 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-14 16:04:30,699 WARN L205 SmtUtils]: Spent 7.56 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-14 16:04:39,864 WARN L205 SmtUtils]: Spent 9.15 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-14 16:04:40,827 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-14 16:04:41,681 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-14 16:04:41,843 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-14 16:04:42,903 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-14 16:04:43,062 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-14 16:04:43,242 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-14 16:04:43,530 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-14 16:04:44,423 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-14 16:04:44,943 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-14 16:04:45,691 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-14 16:04:46,546 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-14 16:04:48,130 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-14 16:04:48,252 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-14 16:04:48,406 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-14 16:04:48,631 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-14 16:04:49,367 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-14 16:04:50,152 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-14 16:04:50,573 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-14 16:04:51,149 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-14 16:04:52,808 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-14 16:04:54,592 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-14 16:04:56,618 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-14 16:05:09,774 WARN L205 SmtUtils]: Spent 13.14 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-14 16:05:35,368 WARN L205 SmtUtils]: Spent 25.57 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-14 16:06:03,465 WARN L205 SmtUtils]: Spent 28.06 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-14 16:06:04,614 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-14 16:06:04,777 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-14 16:06:06,184 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-14 16:06:06,394 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-14 16:06:06,855 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-14 16:06:07,368 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-14 16:06:38,109 WARN L205 SmtUtils]: Spent 30.73 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-14 16:07:12,974 WARN L205 SmtUtils]: Spent 34.82 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-14 16:07:47,732 WARN L205 SmtUtils]: Spent 34.72 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-14 16:08:26,608 WARN L205 SmtUtils]: Spent 38.85 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-06-14 16:09:24,972 WARN L205 SmtUtils]: Spent 58.33 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-06-14 16:10:26,217 WARN L205 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-06-14 16:11:28,202 WARN L205 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-06-14 16:11:36,125 WARN L205 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-06-14 16:11:49,714 WARN L205 SmtUtils]: Spent 13.58 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-06-14 16:11:49,981 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-06-14 16:11:58,788 WARN L205 SmtUtils]: Spent 8.80 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-06-14 16:11:59,311 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-06-14 16:11:59,696 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-06-14 16:12:04,754 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-06-14 16:12:04,877 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-06-14 16:12:04,987 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-06-14 16:12:06,068 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-06-14 16:12:06,539 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-06-14 16:12:06,847 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-06-14 16:12:07,959 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-06-14 16:12:08,065 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-06-14 16:12:08,555 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-06-14 16:12:08,918 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-06-14 16:12:10,016 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-06-14 16:12:10,282 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-06-14 16:12:10,656 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-06-14 16:12:11,142 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-06-14 16:12:12,255 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-06-14 16:12:12,477 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-06-14 16:12:13,730 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-06-14 16:12:13,893 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-06-14 16:12:14,411 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-06-14 16:12:14,801 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-06-14 16:12:14,916 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-06-14 16:12:16,554 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-06-14 16:12:17,017 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-06-14 16:12:17,288 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-06-14 16:12:17,674 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-06-14 16:12:18,564 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-06-14 16:12:20,806 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-06-14 16:12:23,662 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-06-14 16:12:26,883 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-06-14 16:12:32,396 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-06-14 16:12:32,788 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-06-14 16:12:33,000 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-06-14 16:12:33,719 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-06-14 16:12:34,414 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-06-14 16:12:34,667 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-06-14 16:12:35,033 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-06-14 16:12:41,020 WARN L205 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-06-14 16:12:41,645 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-06-14 16:12:42,369 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-06-14 16:12:42,546 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-06-14 16:12:42,791 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-06-14 16:12:42,903 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-06-14 16:12:43,622 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-06-14 16:12:43,777 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-06-14 16:12:44,572 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-06-14 16:12:44,772 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-06-14 16:12:45,138 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-06-14 16:12:45,798 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-06-14 16:12:46,659 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-06-14 16:12:54,477 WARN L205 SmtUtils]: Spent 7.81 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-06-14 16:13:03,419 WARN L205 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-06-14 16:13:21,670 WARN L205 SmtUtils]: Spent 18.22 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-06-14 16:13:48,729 WARN L205 SmtUtils]: Spent 27.02 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-06-14 16:15:03,504 WARN L205 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-06-14 16:15:24,321 WARN L205 SmtUtils]: Spent 20.80 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-06-14 16:15:24,765 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-06-14 16:15:24,995 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-06-14 16:15:25,104 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-06-14 16:15:26,144 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-06-14 16:15:26,400 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-06-14 16:15:26,548 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-06-14 16:15:27,382 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-06-14 16:15:27,614 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-06-14 16:15:27,915 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-06-14 16:15:28,833 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-06-14 16:15:29,579 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown