/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 09:35:14,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 09:35:14,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 09:35:14,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 09:35:14,506 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-Lockstep.epf [2021-06-17 09:35:14,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 09:35:14,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 09:35:14,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 09:35:14,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 09:35:14,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 09:35:14,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 09:35:14,539 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 09:35:14,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 09:35:14,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 09:35:14,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 09:35:14,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 09:35:14,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 09:35:14,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 09:35:14,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 09:35:14,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 09:35:14,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 09:35:14,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 09:35:14,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 09:35:14,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 09:35:14,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 09:35:14,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 09:35:14,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 09:35:14,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 09:35:14,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 09:35:14,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 09:35:14,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 09:35:14,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 09:35:14,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 09:35:14,542 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 09:35:14,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 09:35:14,543 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 09:35:14,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 09:35:14,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 09:35:14,543 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 09:35:14,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 09:35:14,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 09:35:14,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 09:35:14,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 09:35:14,821 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 09:35:14,822 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 09:35:14,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-06-17 09:35:14,823 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-06-17 09:35:14,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 09:35:14,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 09:35:14,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 09:35:14,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 09:35:14,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 09:35:14,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 09:35:14,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 09:35:14,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 09:35:14,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 09:35:14,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/1) ... [2021-06-17 09:35:14,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 09:35:14,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 09:35:14,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 09:35:14,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 09:35:14,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (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 [2021-06-17 09:35:14,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 09:35:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 09:35:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 09:35:14,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 09:35:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 09:35:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 09:35:14,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 09:35:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 09:35:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 09:35:14,949 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 09:35:15,153 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 09:35:15,153 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-17 09:35:15,164 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 09:35:15,166 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:35:15 BoogieIcfgContainer [2021-06-17 09:35:15,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 09:35:15,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 09:35:15,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 09:35:15,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 09:35:15,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:35:14" (1/2) ... [2021-06-17 09:35:15,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e893f28 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 09:35:15, skipping insertion in model container [2021-06-17 09:35:15,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:35:15" (2/2) ... [2021-06-17 09:35:15,171 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-06-17 09:35:15,175 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 09:35:15,176 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 09:35:15,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 09:35:15,191 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 09:35:15,231 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 09:35:15,248 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 [2021-06-17 09:35:15,298 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 09:35:15,298 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 09:35:15,298 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 09:35:15,299 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 09:35:15,299 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 09:35:15,299 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 09:35:15,299 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 09:35:15,299 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 09:35:15,330 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:15,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:15,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1683443861, now seen corresponding path program 1 times [2021-06-17 09:35:15,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:15,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087031977] [2021-06-17 09:35:15,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:15,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:15,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087031977] [2021-06-17 09:35:15,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087031977] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:35:15,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 09:35:15,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 09:35:15,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478147452] [2021-06-17 09:35:15,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 09:35:15,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:15,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 09:35:15,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-17 09:35:15,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:15,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:15,518 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) [2021-06-17 09:35:15,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:15,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 09:35:15,577 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:15,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:15,580 INFO L82 PathProgramCache]: Analyzing trace with hash -346003249, now seen corresponding path program 1 times [2021-06-17 09:35:15,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:15,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055708405] [2021-06-17 09:35:15,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:15,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:15,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055708405] [2021-06-17 09:35:15,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055708405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:15,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014574458] [2021-06-17 09:35:15,640 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 [2021-06-17 09:35:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:15,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 09:35:15,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:15,848 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 [2021-06-17 09:35:15,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:35:15,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:15,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:35:15,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-17 09:35:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:15,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014574458] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:15,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:15,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-17 09:35:15,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876784235] [2021-06-17 09:35:15,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 09:35:15,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:15,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 09:35:15,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-17 09:35:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:15,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:15,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 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) [2021-06-17 09:35:15,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:15,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:15,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:16,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:16,125 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:16,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:16,126 INFO L82 PathProgramCache]: Analyzing trace with hash 186941277, now seen corresponding path program 2 times [2021-06-17 09:35:16,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:16,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439353442] [2021-06-17 09:35:16,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:16,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:16,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439353442] [2021-06-17 09:35:16,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439353442] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:16,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521322238] [2021-06-17 09:35:16,161 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 [2021-06-17 09:35:16,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:35:16,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:16,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-17 09:35:16,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:16,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521322238] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:35:16,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 09:35:16,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-06-17 09:35:16,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693184090] [2021-06-17 09:35:16,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 09:35:16,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:16,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 09:35:16,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-17 09:35:16,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:16,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:16,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-06-17 09:35:16,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:16,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:16,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:16,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:16,583 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:16,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:16,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1109368276, now seen corresponding path program 1 times [2021-06-17 09:35:16,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:16,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585152942] [2021-06-17 09:35:16,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:16,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:16,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585152942] [2021-06-17 09:35:16,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585152942] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:16,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294631489] [2021-06-17 09:35:16,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-17 09:35:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:16,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-17 09:35:16,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:16,872 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:16,872 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 [2021-06-17 09:35:16,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:35:16,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:16,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:35:16,877 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-17 09:35:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:16,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294631489] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:16,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:16,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-17 09:35:16,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066245484] [2021-06-17 09:35:16,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 09:35:16,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:16,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 09:35:16,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-06-17 09:35:16,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:16,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:16,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 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) [2021-06-17 09:35:16,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:16,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:16,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:16,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:17,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:17,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:17,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:17,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:17,262 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:17,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:17,262 INFO L82 PathProgramCache]: Analyzing trace with hash -2002538080, now seen corresponding path program 2 times [2021-06-17 09:35:17,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:17,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929214950] [2021-06-17 09:35:17,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:17,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:17,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929214950] [2021-06-17 09:35:17,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929214950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:17,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518887695] [2021-06-17 09:35:17,343 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 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 [2021-06-17 09:35:17,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:35:17,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:17,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-17 09:35:17,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:17,596 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:17,597 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 [2021-06-17 09:35:17,621 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:35:17,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:17,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:35:17,623 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-17 09:35:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:17,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518887695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:17,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:17,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-17 09:35:17,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676596953] [2021-06-17 09:35:17,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 09:35:17,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:17,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 09:35:17,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-17 09:35:17,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:17,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:17,643 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) [2021-06-17 09:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:18,034 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:18,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:18,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1612371002, now seen corresponding path program 3 times [2021-06-17 09:35:18,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:18,035 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761868451] [2021-06-17 09:35:18,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:18,096 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:18,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761868451] [2021-06-17 09:35:18,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761868451] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:18,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727658899] [2021-06-17 09:35:18,097 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 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 [2021-06-17 09:35:18,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 09:35:18,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:18,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 09:35:18,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 09:35:18,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727658899] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:18,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:18,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2021-06-17 09:35:18,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127370061] [2021-06-17 09:35:18,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 09:35:18,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:18,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 09:35:18,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-17 09:35:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:18,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:18,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 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) [2021-06-17 09:35:18,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:18,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:18,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:18,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:18,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:18,499 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:18,500 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash -263751607, now seen corresponding path program 4 times [2021-06-17 09:35:18,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:18,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322843763] [2021-06-17 09:35:18,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:18,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:18,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322843763] [2021-06-17 09:35:18,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322843763] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:18,540 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677112495] [2021-06-17 09:35:18,540 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 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 [2021-06-17 09:35:18,581 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 09:35:18,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:18,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 09:35:18,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:35:18,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677112495] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:18,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:18,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-06-17 09:35:18,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162419443] [2021-06-17 09:35:18,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 09:35:18,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:18,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 09:35:18,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-17 09:35:18,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:18,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:18,629 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 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) [2021-06-17 09:35:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:18,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:18,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-17 09:35:18,889 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:18,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:18,889 INFO L82 PathProgramCache]: Analyzing trace with hash -519135163, now seen corresponding path program 5 times [2021-06-17 09:35:18,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:18,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994160248] [2021-06-17 09:35:18,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:18,940 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:18,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994160248] [2021-06-17 09:35:18,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994160248] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:18,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310523967] [2021-06-17 09:35:18,940 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 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 [2021-06-17 09:35:18,981 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 09:35:18,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:18,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 09:35:18,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:35:19,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310523967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:19,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:19,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-06-17 09:35:19,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459374291] [2021-06-17 09:35:19,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 09:35:19,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:19,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 09:35:19,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-17 09:35:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:19,040 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:19,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 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) [2021-06-17 09:35:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:19,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:19,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:19,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:19,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:19,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:35:19,342 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 09:35:19,346 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:19,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:19,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1955246569, now seen corresponding path program 6 times [2021-06-17 09:35:19,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:19,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250843342] [2021-06-17 09:35:19,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:19,435 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:19,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250843342] [2021-06-17 09:35:19,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250843342] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:19,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378857754] [2021-06-17 09:35:19,436 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 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 [2021-06-17 09:35:19,463 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 09:35:19,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:19,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-17 09:35:19,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:19,682 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:19,682 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 [2021-06-17 09:35:19,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:35:19,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:19,817 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:35:19,817 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-17 09:35:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:19,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378857754] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:19,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:19,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2021-06-17 09:35:19,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719727403] [2021-06-17 09:35:19,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 09:35:19,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:19,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 09:35:19,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-06-17 09:35:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:19,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:19,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 16 states have internal predecessors, (28), 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) [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:35:19,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:35:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:20,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-17 09:35:20,337 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:20,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:20,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1558225117, now seen corresponding path program 7 times [2021-06-17 09:35:20,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:20,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874579791] [2021-06-17 09:35:20,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:20,408 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:20,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:20,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874579791] [2021-06-17 09:35:20,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874579791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:20,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979865743] [2021-06-17 09:35:20,409 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 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 [2021-06-17 09:35:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:20,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-17 09:35:20,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:20,650 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:20,651 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 25 treesize of output 99 [2021-06-17 09:35:20,800 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-17 09:35:20,824 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:20,825 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 [2021-06-17 09:35:20,859 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 09:35:20,875 INFO L628 ElimStorePlain]: treesize reduction 12, result has 55.6 percent of original size [2021-06-17 09:35:20,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 09:35:20,876 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:15 [2021-06-17 09:35:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:20,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979865743] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:20,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:20,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2021-06-17 09:35:20,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581398663] [2021-06-17 09:35:20,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 09:35:20,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:20,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 09:35:20,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-06-17 09:35:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:20,911 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:20,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 16 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) [2021-06-17 09:35:20,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:20,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:20,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:20,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:20,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:20,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:20,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:20,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:35:20,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:20,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:21,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:21,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:21,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:21,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:21,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:21,433 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-17 09:35:21,433 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:21,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:21,434 INFO L82 PathProgramCache]: Analyzing trace with hash -752757688, now seen corresponding path program 8 times [2021-06-17 09:35:21,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:21,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926842003] [2021-06-17 09:35:21,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:21,558 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:21,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926842003] [2021-06-17 09:35:21,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926842003] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:21,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318951663] [2021-06-17 09:35:21,558 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 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 [2021-06-17 09:35:21,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:35:21,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:21,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-17 09:35:21,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:21,923 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:21,923 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 [2021-06-17 09:35:22,446 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:35:22,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:22,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:35:22,448 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-17 09:35:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:22,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318951663] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:22,454 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:22,454 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-17 09:35:22,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838345906] [2021-06-17 09:35:22,454 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 09:35:22,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:22,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 09:35:22,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2021-06-17 09:35:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:22,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:22,457 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 21 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) [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:22,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:23,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:23,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:35:23,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable82 [2021-06-17 09:35:23,317 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:23,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:23,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1896685516, now seen corresponding path program 9 times [2021-06-17 09:35:23,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:23,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94012517] [2021-06-17 09:35:23,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:23,391 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:23,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:23,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94012517] [2021-06-17 09:35:23,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94012517] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:23,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535923679] [2021-06-17 09:35:23,392 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 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 [2021-06-17 09:35:23,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-17 09:35:23,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:23,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 09:35:23,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:23,475 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:35:23,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535923679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:23,476 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:23,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-06-17 09:35:23,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347148710] [2021-06-17 09:35:23,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 09:35:23,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:23,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 09:35:23,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-17 09:35:23,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:23,477 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:23,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 09:35:23,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:23,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:23,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:23,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:23,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:23,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:23,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:23,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:23,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:23,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:23,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:35:23,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:35:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:23,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:23,816 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:23,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:23,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1777995188, now seen corresponding path program 10 times [2021-06-17 09:35:23,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:23,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050669914] [2021-06-17 09:35:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:23,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:23,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050669914] [2021-06-17 09:35:23,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050669914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:23,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350523587] [2021-06-17 09:35:23,929 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 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 [2021-06-17 09:35:23,960 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 09:35:23,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:23,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-17 09:35:23,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:24,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:24,243 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 [2021-06-17 09:35:24,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:35:24,672 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-06-17 09:35:24,672 INFO L354 Elim1Store]: treesize reduction 24, result has 85.8 percent of original size [2021-06-17 09:35:24,673 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 33 treesize of output 169 [2021-06-17 09:35:24,925 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 09:35:24,937 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-06-17 09:35:24,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 09:35:24,938 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:74, output treesize:15 [2021-06-17 09:35:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:24,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350523587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:24,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:24,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-17 09:35:24,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262530766] [2021-06-17 09:35:24,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 09:35:24,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:24,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 09:35:24,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2021-06-17 09:35:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:24,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:24,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 21 states have internal predecessors, (34), 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) [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:24,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:35:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:35:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:35:25,785 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:25,785 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:25,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:25,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1925704821, now seen corresponding path program 11 times [2021-06-17 09:35:25,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:25,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620471165] [2021-06-17 09:35:25,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:25,905 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:25,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620471165] [2021-06-17 09:35:25,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620471165] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:25,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958104663] [2021-06-17 09:35:25,906 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 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 [2021-06-17 09:35:25,948 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-17 09:35:25,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:25,949 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-17 09:35:25,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:26,382 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-17 09:35:26,382 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:26,383 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 [2021-06-17 09:35:27,351 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-06-17 09:35:27,763 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:35:28,024 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 147 [2021-06-17 09:35:28,024 INFO L354 Elim1Store]: treesize reduction 32, result has 88.9 percent of original size [2021-06-17 09:35:28,025 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 41 treesize of output 287 [2021-06-17 09:35:28,617 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 240 [2021-06-17 09:35:28,726 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 240 [2021-06-17 09:35:28,895 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 248 [2021-06-17 09:35:29,146 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 310 [2021-06-17 09:35:29,353 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 307 [2021-06-17 09:35:30,160 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 252 [2021-06-17 09:35:30,429 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 358 [2021-06-17 09:35:30,746 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 358 [2021-06-17 09:35:31,020 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 359 [2021-06-17 09:35:31,240 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 366 [2021-06-17 09:35:31,411 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 209 [2021-06-17 09:35:31,527 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 230 [2021-06-17 09:35:31,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-17 09:35:31,838 INFO L628 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2021-06-17 09:35:31,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 09:35:31,839 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:90, output treesize:15 [2021-06-17 09:35:31,878 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:31,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958104663] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:31,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:35:31,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2021-06-17 09:35:31,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224968240] [2021-06-17 09:35:31,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 09:35:31,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:35:31,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 09:35:31,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2021-06-17 09:35:31,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:31,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:35:31,881 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 26 states have internal predecessors, (40), 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) [2021-06-17 09:35:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:31,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:31,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:31,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:31,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:31,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:31,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:35:31,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:35:31,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:35:31,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:35:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:35:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:35:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:35:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:35:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 09:35:33,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:33,162 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:35:33,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:35:33,162 INFO L82 PathProgramCache]: Analyzing trace with hash 396659025, now seen corresponding path program 12 times [2021-06-17 09:35:33,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:35:33,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770391727] [2021-06-17 09:35:33,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:35:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:35:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:35:33,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:35:33,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770391727] [2021-06-17 09:35:33,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770391727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:35:33,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922549941] [2021-06-17 09:35:33,284 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:35:33,318 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 09:35:33,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:35:33,320 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-17 09:35:33,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:35:33,799 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-17 09:35:33,799 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:35:33,800 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 [2021-06-17 09:35:34,420 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 293 [2021-06-17 09:35:35,030 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 398 [2021-06-17 09:35:35,261 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 407 [2021-06-17 09:35:35,600 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 415 [2021-06-17 09:35:35,900 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 415 [2021-06-17 09:35:36,249 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 430 [2021-06-17 09:35:36,568 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 434 [2021-06-17 09:35:37,224 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 528 [2021-06-17 09:35:37,505 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 376 [2021-06-17 09:35:38,605 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 512 [2021-06-17 09:35:39,045 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 436 [2021-06-17 09:35:40,150 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 255 [2021-06-17 09:35:40,884 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 202 [2021-06-17 09:35:41,207 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 366 [2021-06-17 09:35:42,026 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 195 [2021-06-17 09:35:42,888 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 320 [2021-06-17 09:35:43,970 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 238 [2021-06-17 09:35:44,468 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 450 [2021-06-17 09:35:45,349 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 727 [2021-06-17 09:35:46,445 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 928 DAG size of output: 733 [2021-06-17 09:35:47,740 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1006 DAG size of output: 798 [2021-06-17 09:35:49,480 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1171 DAG size of output: 930 [2021-06-17 09:35:49,968 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 414 [2021-06-17 09:35:51,627 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 225 [2021-06-17 09:35:51,949 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 319 [2021-06-17 09:35:53,498 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 227 [2021-06-17 09:35:54,201 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 328 [2021-06-17 09:35:54,561 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 405 [2021-06-17 09:35:55,253 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 627 [2021-06-17 09:35:56,067 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 634 [2021-06-17 09:35:57,082 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 764 DAG size of output: 671 [2021-06-17 09:35:58,346 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 883 DAG size of output: 720 [2021-06-17 09:36:01,193 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1829 DAG size of output: 1332 [2021-06-17 09:36:04,202 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 2018 DAG size of output: 1424 [2021-06-17 09:36:07,797 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 2169 DAG size of output: 1522 [2021-06-17 09:36:11,304 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 2186 DAG size of output: 1523 [2021-06-17 09:36:15,181 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 2186 DAG size of output: 1523 [2021-06-17 09:36:18,966 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 2195 DAG size of output: 1532 [2021-06-17 09:36:21,892 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1534 DAG size of output: 1517 [2021-06-17 09:36:22,207 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 910 [2021-06-17 09:36:22,435 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 871 [2021-06-17 09:36:23,127 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 547 [2021-06-17 09:36:23,471 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 362 [2021-06-17 09:36:24,118 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 329 [2021-06-17 09:36:24,337 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 342 [2021-06-17 09:36:25,249 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 549 [2021-06-17 09:36:25,632 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 389 [2021-06-17 09:36:26,432 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 359 [2021-06-17 09:36:26,974 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 555 [2021-06-17 09:36:27,616 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 1032 DAG size of output: 571 [2021-06-17 09:36:28,647 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1616 DAG size of output: 787 [2021-06-17 09:36:29,652 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 1616 DAG size of output: 787 [2021-06-17 09:36:30,767 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1620 DAG size of output: 791 [2021-06-17 09:36:31,607 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 606 [2021-06-17 09:36:32,756 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 231 [2021-06-17 09:36:32,880 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 231 [2021-06-17 09:36:33,015 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 231 [2021-06-17 09:36:33,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:36:33,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:36:33,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:36:33,097 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-17 09:36:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:36:33,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922549941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:36:33,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:36:33,103 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2021-06-17 09:36:33,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218102744] [2021-06-17 09:36:33,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 09:36:33,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:36:33,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 09:36:33,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-06-17 09:36:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:36:33,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:36:33,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 26 states have internal predecessors, (41), 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) [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 09:36:33,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:36:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 09:36:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 09:36:34,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable781,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:36:34,336 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:36:34,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:36:34,336 INFO L82 PathProgramCache]: Analyzing trace with hash -624505781, now seen corresponding path program 13 times [2021-06-17 09:36:34,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:36:34,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181344628] [2021-06-17 09:36:34,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:36:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:36:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 16 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:36:34,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:36:34,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181344628] [2021-06-17 09:36:34,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181344628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:36:34,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965786475] [2021-06-17 09:36:34,407 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:36:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:36:34,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-17 09:36:34,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:36:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:36:34,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965786475] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:36:34,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:36:34,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-06-17 09:36:34,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887764346] [2021-06-17 09:36:34,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 09:36:34,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:36:34,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 09:36:34,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-17 09:36:34,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:36:34,490 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:36:34,490 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 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) [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:36:34,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:36:34,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 09:36:34,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 09:36:34,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:36:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:36:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 09:36:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 09:36:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 09:36:34,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3210 [2021-06-17 09:36:34,949 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:36:34,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:36:34,950 INFO L82 PathProgramCache]: Analyzing trace with hash 448499214, now seen corresponding path program 14 times [2021-06-17 09:36:34,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:36:34,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642659484] [2021-06-17 09:36:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:36:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:36:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:36:35,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:36:35,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642659484] [2021-06-17 09:36:35,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642659484] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:36:35,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654946015] [2021-06-17 09:36:35,025 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:36:35,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:36:35,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:36:35,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-17 09:36:35,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:36:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:36:35,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654946015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:36:35,104 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:36:35,104 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-06-17 09:36:35,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821357046] [2021-06-17 09:36:35,105 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 09:36:35,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:36:35,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 09:36:35,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-06-17 09:36:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:36:35,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:36:35,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 12 states have internal predecessors, (26), 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) [2021-06-17 09:36:35,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:36:35,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:35,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 09:36:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:36:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:36:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 09:36:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 09:36:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 09:36:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:35,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3211,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:36:35,411 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:36:35,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:36:35,411 INFO L82 PathProgramCache]: Analyzing trace with hash -772352498, now seen corresponding path program 15 times [2021-06-17 09:36:35,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:36:35,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442593977] [2021-06-17 09:36:35,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:36:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:36:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 28 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:36:35,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:36:35,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442593977] [2021-06-17 09:36:35,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442593977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:36:35,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950937546] [2021-06-17 09:36:35,542 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:36:35,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-17 09:36:35,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:36:35,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-17 09:36:35,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:36:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 29 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:36:35,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950937546] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:36:35,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:36:35,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 15 [2021-06-17 09:36:35,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558805870] [2021-06-17 09:36:35,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 09:36:35,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:36:35,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 09:36:35,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-06-17 09:36:35,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:36:35,641 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:36:35,641 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 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) [2021-06-17 09:36:35,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:36:35,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:35,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:35,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:35,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:35,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:35,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:35,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:36:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:36:35,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 09:36:36,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3212,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:36:36,018 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:36:36,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:36:36,018 INFO L82 PathProgramCache]: Analyzing trace with hash 357937678, now seen corresponding path program 16 times [2021-06-17 09:36:36,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:36:36,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437953513] [2021-06-17 09:36:36,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:36:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:36:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:36:36,142 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:36:36,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437953513] [2021-06-17 09:36:36,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437953513] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:36:36,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889612573] [2021-06-17 09:36:36,142 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:36:36,185 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 09:36:36,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:36:36,186 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-17 09:36:36,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:36:36,824 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-17 09:36:36,824 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:36:36,824 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 [2021-06-17 09:36:37,924 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 353 [2021-06-17 09:36:38,645 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 477 [2021-06-17 09:36:38,875 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 501 [2021-06-17 09:36:39,137 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 531 [2021-06-17 09:36:39,412 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 563 [2021-06-17 09:36:39,971 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 284 [2021-06-17 09:36:40,088 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 307 [2021-06-17 09:36:40,241 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 339 [2021-06-17 09:36:40,767 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 852 DAG size of output: 778 [2021-06-17 09:36:41,633 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 1159 DAG size of output: 985 [2021-06-17 09:36:42,667 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1183 DAG size of output: 1009 [2021-06-17 09:36:43,862 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1028 [2021-06-17 09:36:45,094 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 304 [2021-06-17 09:36:45,230 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 336 [2021-06-17 09:36:45,768 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 286 [2021-06-17 09:36:45,889 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 311 [2021-06-17 09:36:46,204 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 530 [2021-06-17 09:36:46,693 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 629 [2021-06-17 09:36:47,290 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 654 [2021-06-17 09:36:48,060 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 857 DAG size of output: 678 [2021-06-17 09:36:50,156 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1877 DAG size of output: 1521 [2021-06-17 09:36:52,315 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1877 DAG size of output: 1521 [2021-06-17 09:36:54,750 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1894 DAG size of output: 1538 [2021-06-17 09:36:59,951 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 1540 DAG size of output: 1791 [2021-06-17 09:37:00,091 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 1522 [2021-06-17 09:37:01,054 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 708 [2021-06-17 09:37:01,855 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 763 [2021-06-17 09:37:02,795 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 663 DAG size of output: 529 [2021-06-17 09:37:03,411 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 608 [2021-06-17 09:37:03,710 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 470 [2021-06-17 09:37:04,274 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 461 [2021-06-17 09:37:04,838 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 295 [2021-06-17 09:37:05,895 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 253 [2021-06-17 09:37:06,109 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 306 [2021-06-17 09:37:06,386 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 325 [2021-06-17 09:37:06,751 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 347 [2021-06-17 09:37:07,776 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 286 [2021-06-17 09:37:08,039 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 358 [2021-06-17 09:37:08,978 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 289 [2021-06-17 09:37:09,297 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 359 [2021-06-17 09:37:09,863 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 550 [2021-06-17 09:37:10,655 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 575 [2021-06-17 09:37:11,981 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 844 DAG size of output: 782 [2021-06-17 09:37:13,177 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 202 [2021-06-17 09:37:13,433 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 297 [2021-06-17 09:37:14,603 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 211 [2021-06-17 09:37:14,858 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 306 [2021-06-17 09:37:15,367 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 408 [2021-06-17 09:37:17,460 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1051 [2021-06-17 09:37:18,440 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 191 [2021-06-17 09:37:21,328 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 1364 DAG size of output: 1172 [2021-06-17 09:37:24,627 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1262 [2021-06-17 09:37:28,303 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 1706 DAG size of output: 1457 [2021-06-17 09:37:32,824 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 1875 DAG size of output: 1601 [2021-06-17 09:37:33,005 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 446 [2021-06-17 09:37:33,279 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 444 [2021-06-17 09:37:34,368 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 208 [2021-06-17 09:37:34,532 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-06-17 09:37:35,444 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 246 [2021-06-17 09:37:35,622 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 250 [2021-06-17 09:37:35,998 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 388 [2021-06-17 09:37:36,499 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 456 [2021-06-17 09:37:37,074 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 507 [2021-06-17 09:37:38,054 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-06-17 09:37:38,772 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 279 [2021-06-17 09:37:39,222 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 302 [2021-06-17 09:37:39,722 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 403 [2021-06-17 09:37:40,951 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 190 [2021-06-17 09:37:41,207 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 274 [2021-06-17 09:37:41,555 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 297 [2021-06-17 09:37:42,026 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-06-17 09:37:43,277 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 639 DAG size of output: 587 [2021-06-17 09:37:45,236 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1076 DAG size of output: 969 [2021-06-17 09:37:46,755 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 273 [2021-06-17 09:37:47,026 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 334 [2021-06-17 09:37:49,636 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1124 [2021-06-17 09:37:50,310 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 195 [2021-06-17 09:37:50,930 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 191 [2021-06-17 09:37:51,215 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 225 [2021-06-17 09:37:51,525 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 243 [2021-06-17 09:37:52,119 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 177 [2021-06-17 09:37:52,615 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-06-17 09:37:56,178 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 1621 DAG size of output: 1368 [2021-06-17 09:38:00,283 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 1790 DAG size of output: 1508 [2021-06-17 09:38:05,117 WARN L205 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 1923 DAG size of output: 1612 [2021-06-17 09:38:11,011 WARN L205 SmtUtils]: Spent 5.48 s on a formula simplification. DAG size of input: 2035 DAG size of output: 1677 [2021-06-17 09:38:21,576 WARN L205 SmtUtils]: Spent 10.54 s on a formula simplification. DAG size of input: 3402 DAG size of output: 2835 [2021-06-17 09:38:33,227 WARN L205 SmtUtils]: Spent 11.63 s on a formula simplification. DAG size of input: 3443 DAG size of output: 2876 [2021-06-17 09:38:46,134 WARN L205 SmtUtils]: Spent 12.89 s on a formula simplification. DAG size of input: 3696 DAG size of output: 3041 [2021-06-17 09:38:46,908 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 258 [2021-06-17 09:38:47,046 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 281 [2021-06-17 09:38:47,212 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 303 [2021-06-17 09:38:47,408 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 323 [2021-06-17 09:38:47,828 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 742 [2021-06-17 09:38:48,673 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 503 [2021-06-17 09:38:49,189 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 588 [2021-06-17 09:38:49,367 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 445 [2021-06-17 09:38:49,709 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 459 [2021-06-17 09:38:50,151 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 418 [2021-06-17 09:38:50,277 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 326 [2021-06-17 09:38:50,496 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 311 [2021-06-17 09:38:50,670 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 291 [2021-06-17 09:38:51,266 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 180 [2021-06-17 09:38:51,410 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 203 [2021-06-17 09:38:51,555 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 236 [2021-06-17 09:38:51,961 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 178 [2021-06-17 09:38:52,119 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 202 [2021-06-17 09:38:52,415 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-17 09:38:52,775 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 349 [2021-06-17 09:38:53,133 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 362 [2021-06-17 09:38:53,532 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 365 [2021-06-17 09:38:53,740 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 284 [2021-06-17 09:38:54,927 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2021-06-17 09:38:55,144 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 219 [2021-06-17 09:38:55,460 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 228 [2021-06-17 09:38:55,764 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 231 [2021-06-17 09:38:56,186 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 270 [2021-06-17 09:38:56,635 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 274 [2021-06-17 09:38:57,380 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 489 [2021-06-17 09:38:57,561 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 409 [2021-06-17 09:38:57,778 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 394 [2021-06-17 09:38:58,763 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 188 [2021-06-17 09:38:59,324 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 191 [2021-06-17 09:38:59,470 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 207 [2021-06-17 09:38:59,665 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 235 [2021-06-17 09:39:00,015 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 332 [2021-06-17 09:39:00,475 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 368 [2021-06-17 09:39:00,993 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 371 [2021-06-17 09:39:01,461 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 324 [2021-06-17 09:39:02,189 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2021-06-17 09:39:02,364 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 213 [2021-06-17 09:39:03,110 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2021-06-17 09:39:03,313 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 223 [2021-06-17 09:39:03,767 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 348 [2021-06-17 09:39:04,370 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 377 [2021-06-17 09:39:05,594 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 699 DAG size of output: 591 [2021-06-17 09:39:07,591 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1200 DAG size of output: 964 [2021-06-17 09:39:10,059 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1298 DAG size of output: 1036 [2021-06-17 09:39:12,897 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1500 DAG size of output: 1198 [2021-06-17 09:39:16,196 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 1638 DAG size of output: 1307 [2021-06-17 09:39:16,631 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 431 [2021-06-17 09:39:18,204 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 235 [2021-06-17 09:39:19,384 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 302 [2021-06-17 09:39:19,851 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 384 [2021-06-17 09:39:20,011 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 320 [2021-06-17 09:39:20,163 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 296 [2021-06-17 09:39:21,494 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 238 [2021-06-17 09:39:22,508 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 322 [2021-06-17 09:39:23,648 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 275 [2021-06-17 09:39:24,782 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 277 [2021-06-17 09:39:25,189 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 466 [2021-06-17 09:39:25,730 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 489 [2021-06-17 09:39:26,715 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 670 [2021-06-17 09:39:27,967 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 922 DAG size of output: 822 [2021-06-17 09:39:30,193 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1238 DAG size of output: 1068 [2021-06-17 09:39:32,793 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1408 DAG size of output: 1214 [2021-06-17 09:39:35,919 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1473 DAG size of output: 1257 [2021-06-17 09:39:42,946 WARN L205 SmtUtils]: Spent 7.02 s on a formula simplification. DAG size of input: 2734 DAG size of output: 2222 [2021-06-17 09:39:50,833 WARN L205 SmtUtils]: Spent 7.87 s on a formula simplification. DAG size of input: 2756 DAG size of output: 2244 [2021-06-17 09:39:59,806 WARN L205 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 3011 DAG size of output: 2423 [2021-06-17 09:40:11,134 WARN L205 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 3294 DAG size of output: 2614 [2021-06-17 09:40:36,669 WARN L205 SmtUtils]: Spent 25.51 s on a formula simplification. DAG size of input: 6037 DAG size of output: 4599 [2021-06-17 09:40:37,744 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 297 [2021-06-17 09:40:37,908 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 318 [2021-06-17 09:40:38,133 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 338 [2021-06-17 09:40:38,374 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 356 [2021-06-17 09:40:39,133 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 258 [2021-06-17 09:40:39,287 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 281 [2021-06-17 09:40:39,463 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 303 [2021-06-17 09:40:39,667 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 323 [2021-06-17 09:40:40,168 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 511 [2021-06-17 09:40:41,970 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1001 DAG size of output: 1178 [2021-06-17 09:40:42,515 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 298 [2021-06-17 09:40:42,728 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 309 [2021-06-17 09:40:42,915 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 232 [2021-06-17 09:40:43,046 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 216 [2021-06-17 09:40:43,791 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 214 [2021-06-17 09:40:43,906 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 216 [2021-06-17 09:40:45,036 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2021-06-17 09:40:45,294 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 325 [2021-06-17 09:40:46,082 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 357 [2021-06-17 09:40:46,221 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 290 [2021-06-17 09:40:47,387 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 217 [2021-06-17 09:40:47,569 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 252 [2021-06-17 09:40:47,763 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 281 [2021-06-17 09:40:47,884 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2021-06-17 09:40:48,043 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 269 [2021-06-17 09:40:49,420 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 238 [2021-06-17 09:40:49,734 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 250 [2021-06-17 09:40:49,971 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 304 [2021-06-17 09:40:50,244 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 318 [2021-06-17 09:40:50,854 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 456 [2021-06-17 09:40:51,839 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 892 DAG size of output: 693 [2021-06-17 09:40:53,202 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1039 DAG size of output: 840 [2021-06-17 09:40:54,930 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1144 DAG size of output: 928 [2021-06-17 09:40:56,312 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 219 [2021-06-17 09:40:57,186 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-17 09:40:57,505 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 336 [2021-06-17 09:40:58,199 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 216 [2021-06-17 09:40:59,100 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2021-06-17 09:40:59,354 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 333 [2021-06-17 09:40:59,929 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 567 [2021-06-17 09:41:00,657 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-17 09:41:01,584 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 689 [2021-06-17 09:41:02,679 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 821 DAG size of output: 730 [2021-06-17 09:41:04,003 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 907 DAG size of output: 758 [2021-06-17 09:41:07,000 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 1839 DAG size of output: 1453 [2021-06-17 09:41:10,708 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 1931 DAG size of output: 1518 [2021-06-17 09:41:15,107 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 2012 DAG size of output: 1594 [2021-06-17 09:41:15,576 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 859 [2021-06-17 09:41:16,281 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 751 [2021-06-17 09:41:16,809 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 666 [2021-06-17 09:41:17,113 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 560 [2021-06-17 09:41:18,575 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 188 [2021-06-17 09:41:18,816 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 275 [2021-06-17 09:41:19,121 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 302 [2021-06-17 09:41:19,554 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 324 [2021-06-17 09:41:20,022 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 421 [2021-06-17 09:41:20,303 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 396 [2021-06-17 09:41:20,845 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 353 [2021-06-17 09:41:21,598 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 214 [2021-06-17 09:41:22,056 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 284 [2021-06-17 09:41:23,112 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 235 [2021-06-17 09:41:23,359 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 315 [2021-06-17 09:41:23,770 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 462 [2021-06-17 09:41:25,361 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 310 [2021-06-17 09:41:26,070 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 689 [2021-06-17 09:41:27,190 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 239 [2021-06-17 09:41:27,382 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 320 [2021-06-17 09:41:28,241 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 277 [2021-06-17 09:41:28,575 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 450 [2021-06-17 09:41:30,039 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 300 [2021-06-17 09:41:30,702 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 671 [2021-06-17 09:41:32,247 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1437 DAG size of output: 1164 [2021-06-17 09:41:34,237 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1622 DAG size of output: 1357 [2021-06-17 09:41:36,543 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 1691 DAG size of output: 1376 [2021-06-17 09:41:39,347 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 1720 DAG size of output: 1421 [2021-06-17 09:41:42,669 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 1818 DAG size of output: 1472 [2021-06-17 09:41:46,425 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 2105 DAG size of output: 1687 [2021-06-17 09:41:51,312 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1829 [2021-06-17 09:41:51,614 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 484 [2021-06-17 09:41:52,138 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 477 [2021-06-17 09:41:52,274 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 442 [2021-06-17 09:41:52,964 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 162 [2021-06-17 09:41:54,099 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2021-06-17 09:41:54,386 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 314 [2021-06-17 09:41:54,537 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 309 [2021-06-17 09:41:55,077 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 356 [2021-06-17 09:41:55,998 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 290 [2021-06-17 09:41:56,638 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 379 [2021-06-17 09:41:56,786 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 356 [2021-06-17 09:41:57,324 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 183 [2021-06-17 09:41:58,438 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 310 [2021-06-17 09:41:58,756 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 400 [2021-06-17 09:41:59,381 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 585 [2021-06-17 09:41:59,598 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 358 [2021-06-17 09:42:00,120 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 175 [2021-06-17 09:42:00,651 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 235 [2021-06-17 09:42:01,348 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 313 [2021-06-17 09:42:01,664 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 402 [2021-06-17 09:42:01,840 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 358 [2021-06-17 09:42:03,354 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2021-06-17 09:42:03,536 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 296 [2021-06-17 09:42:03,842 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 385 [2021-06-17 09:42:04,498 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 594 [2021-06-17 09:42:05,999 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1236 DAG size of output: 991 [2021-06-17 09:42:07,772 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1273 DAG size of output: 1039 [2021-06-17 09:42:09,978 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1367 DAG size of output: 1093 [2021-06-17 09:42:12,778 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 1588 DAG size of output: 1264 [2021-06-17 09:42:16,060 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 1778 DAG size of output: 1473 [2021-06-17 09:42:20,124 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 1907 DAG size of output: 1618 [2021-06-17 09:42:29,664 WARN L205 SmtUtils]: Spent 9.53 s on a formula simplification. DAG size of input: 3714 DAG size of output: 3006 [2021-06-17 09:42:40,289 WARN L205 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 3857 DAG size of output: 3128 [2021-06-17 09:42:53,060 WARN L205 SmtUtils]: Spent 12.75 s on a formula simplification. DAG size of input: 4149 DAG size of output: 3377 [2021-06-17 09:43:12,300 WARN L205 SmtUtils]: Spent 19.22 s on a formula simplification. DAG size of input: 5755 DAG size of output: 4638 [2021-06-17 09:43:12,843 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 156 [2021-06-17 09:43:12,974 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 169 [2021-06-17 09:43:13,766 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 190 [2021-06-17 09:43:13,883 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 210 [2021-06-17 09:43:14,049 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 212 [2021-06-17 09:43:14,213 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 225 [2021-06-17 09:43:14,402 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 247 [2021-06-17 09:43:14,743 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 310 [2021-06-17 09:43:36,209 WARN L205 SmtUtils]: Spent 21.46 s on a formula simplification. DAG size of input: 6037 DAG size of output: 4849 [2021-06-17 09:43:36,956 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1130 [2021-06-17 09:43:39,100 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 986 DAG size of output: 1106 [2021-06-17 09:43:40,271 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 823 DAG size of output: 978 [2021-06-17 09:43:41,298 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 760 DAG size of output: 793 [2021-06-17 09:43:42,278 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 791 [2021-06-17 09:43:43,450 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 312 [2021-06-17 09:43:43,676 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 338 [2021-06-17 09:43:43,961 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 340 [2021-06-17 09:43:45,053 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 310 [2021-06-17 09:43:45,268 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 330 [2021-06-17 09:43:45,615 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 332 [2021-06-17 09:43:46,287 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 395 [2021-06-17 09:43:47,050 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 415 [2021-06-17 09:43:47,621 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 246 [2021-06-17 09:43:48,137 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 244 [2021-06-17 09:43:48,407 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 295 [2021-06-17 09:43:48,743 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 309 [2021-06-17 09:43:50,112 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 735 DAG size of output: 611 [2021-06-17 09:43:50,651 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 645 [2021-06-17 09:43:52,041 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 272 [2021-06-17 09:43:52,341 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 303 [2021-06-17 09:43:52,706 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 325 [2021-06-17 09:43:52,924 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 433 [2021-06-17 09:43:54,004 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 273 [2021-06-17 09:43:55,202 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 266 [2021-06-17 09:43:55,943 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 307 [2021-06-17 09:43:56,262 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 444 [2021-06-17 09:43:56,870 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 639 [2021-06-17 09:43:57,855 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 224 [2021-06-17 09:43:58,008 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 309 [2021-06-17 09:43:58,928 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 276 [2021-06-17 09:43:59,273 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 468 [2021-06-17 09:43:59,976 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2021-06-17 09:44:00,413 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 309 [2021-06-17 09:44:01,320 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 264 [2021-06-17 09:44:01,685 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 458 [2021-06-17 09:44:02,599 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 888 DAG size of output: 760 [2021-06-17 09:44:04,411 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1270 [2021-06-17 09:44:06,906 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1566 DAG size of output: 1289 [2021-06-17 09:44:09,615 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1599 DAG size of output: 1333 [2021-06-17 09:44:12,674 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 1691 DAG size of output: 1385 [2021-06-17 09:44:16,388 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 1899 DAG size of output: 1574 [2021-06-17 09:44:21,000 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 2121 DAG size of output: 1787 [2021-06-17 09:44:21,163 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 301 [2021-06-17 09:44:22,172 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 241 [2021-06-17 09:44:23,129 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 368 [2021-06-17 09:44:23,465 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 450 [2021-06-17 09:44:23,932 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 488 [2021-06-17 09:44:24,996 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 210 [2021-06-17 09:44:25,955 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 234 [2021-06-17 09:44:26,199 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 363 [2021-06-17 09:44:26,543 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 423 [2021-06-17 09:44:26,971 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 460 [2021-06-17 09:44:27,509 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 505 [2021-06-17 09:44:28,605 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1110 DAG size of output: 845 [2021-06-17 09:44:30,051 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1148 DAG size of output: 835 [2021-06-17 09:44:37,004 WARN L205 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 3011 DAG size of output: 2333 [2021-06-17 09:44:45,850 WARN L205 SmtUtils]: Spent 8.83 s on a formula simplification. DAG size of input: 3614 DAG size of output: 2843 [2021-06-17 09:44:55,994 WARN L205 SmtUtils]: Spent 10.12 s on a formula simplification. DAG size of input: 4041 DAG size of output: 3224 [2021-06-17 09:45:08,859 WARN L205 SmtUtils]: Spent 12.84 s on a formula simplification. DAG size of input: 4230 DAG size of output: 3438 [2021-06-17 09:45:09,941 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 753 DAG size of output: 793 [2021-06-17 09:45:11,085 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 731 DAG size of output: 763 [2021-06-17 09:45:11,467 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 759 [2021-06-17 09:45:12,305 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 844 [2021-06-17 09:45:12,683 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 532 [2021-06-17 09:45:13,161 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 502 [2021-06-17 09:45:13,785 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 647 [2021-06-17 09:45:14,474 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 196 [2021-06-17 09:45:14,608 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 214 [2021-06-17 09:45:14,761 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 224 [2021-06-17 09:45:14,945 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 234 [2021-06-17 09:45:16,116 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 304 [2021-06-17 09:45:16,318 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 309 [2021-06-17 09:45:16,650 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 336 [2021-06-17 09:45:16,917 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 351 [2021-06-17 09:45:17,642 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 432 [2021-06-17 09:45:18,236 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 559 [2021-06-17 09:45:19,124 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 739 DAG size of output: 570 [2021-06-17 09:45:19,438 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 396 [2021-06-17 09:45:20,325 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 257 [2021-06-17 09:45:21,311 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 252 [2021-06-17 09:45:21,611 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 423 [2021-06-17 09:45:22,093 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 431 [2021-06-17 09:45:22,600 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 456 [2021-06-17 09:45:23,201 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 493 [2021-06-17 09:45:24,194 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 561 [2021-06-17 09:45:25,778 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1122 DAG size of output: 913 [2021-06-17 09:45:27,045 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 206 [2021-06-17 09:45:28,038 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 229 [2021-06-17 09:45:28,270 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 351 [2021-06-17 09:45:28,631 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 386 [2021-06-17 09:45:29,071 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 423 [2021-06-17 09:45:29,596 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 452 [2021-06-17 09:45:32,109 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1590 DAG size of output: 1167 [2021-06-17 09:45:35,621 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 1934 DAG size of output: 1529 [2021-06-17 09:45:36,311 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 799 [2021-06-17 09:45:36,779 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 690 [2021-06-17 09:45:36,920 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 259 [2021-06-17 09:45:37,982 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 240 [2021-06-17 09:45:38,206 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 269 [2021-06-17 09:45:38,491 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 281 [2021-06-17 09:45:38,746 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 284 [2021-06-17 09:45:39,014 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 392 [2021-06-17 09:45:39,995 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 247 [2021-06-17 09:45:41,040 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 427 [2021-06-17 09:45:41,559 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 436 [2021-06-17 09:45:42,113 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 463 [2021-06-17 09:45:42,745 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 503 [2021-06-17 09:45:43,646 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 532 [2021-06-17 09:45:44,859 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 903 DAG size of output: 666 [2021-06-17 09:45:45,440 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 631 [2021-06-17 09:45:46,955 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 236 [2021-06-17 09:45:47,248 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 380 [2021-06-17 09:45:47,553 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 385 [2021-06-17 09:45:47,977 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 410 [2021-06-17 09:45:48,356 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 423 [2021-06-17 09:45:49,133 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 465 [2021-06-17 09:45:50,147 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 232 [2021-06-17 09:45:50,306 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 256 [2021-06-17 09:45:51,102 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 874 DAG size of output: 598 [2021-06-17 09:45:52,091 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 886 DAG size of output: 609 [2021-06-17 09:45:54,545 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1467 DAG size of output: 1063 [2021-06-17 09:45:57,571 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 1795 DAG size of output: 1431 [2021-06-17 09:46:04,183 WARN L205 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 3105 DAG size of output: 2438 [2021-06-17 09:46:11,846 WARN L205 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 3503 DAG size of output: 2866 [2021-06-17 09:46:12,558 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 210 [2021-06-17 09:46:13,206 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 200 [2021-06-17 09:46:13,483 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 237 [2021-06-17 09:46:13,822 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 257 [2021-06-17 09:46:14,402 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 187 [2021-06-17 09:46:14,941 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 348 [2021-06-17 09:46:24,511 WARN L205 SmtUtils]: Spent 9.56 s on a formula simplification. DAG size of input: 3824 DAG size of output: 3116 [2021-06-17 09:46:35,476 WARN L205 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 4090 DAG size of output: 3373 [2021-06-17 09:46:59,634 WARN L205 SmtUtils]: Spent 24.13 s on a formula simplification. DAG size of input: 7249 DAG size of output: 5805 [2021-06-17 09:47:25,693 WARN L205 SmtUtils]: Spent 26.02 s on a formula simplification. DAG size of input: 7484 DAG size of output: 6012 [2021-06-17 09:47:55,301 WARN L205 SmtUtils]: Spent 29.57 s on a formula simplification. DAG size of input: 7883 DAG size of output: 6298 [2021-06-17 09:48:47,987 WARN L205 SmtUtils]: Spent 52.64 s on a formula simplification. DAG size of input: 12612 DAG size of output: 9296 [2021-06-17 09:49:45,865 WARN L205 SmtUtils]: Spent 57.82 s on a formula simplification. DAG size of input: 13029 DAG size of output: 9532 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown