/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 03:32:02,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 03:32:02,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 03:32:02,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 03:32:02,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-14 03:32:02,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 03:32:02,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 03:32:02,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 03:32:02,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 03:32:02,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 03:32:02,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 03:32:02,940 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 03:32:02,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 03:32:02,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 03:32:02,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 03:32:02,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 03:32:02,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 03:32:02,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 03:32:02,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 03:32:02,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 03:32:02,941 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 03:32:02,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 03:32:02,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 03:32:02,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 03:32:02,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 03:32:02,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 03:32:02,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 03:32:02,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 03:32:02,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:32:02,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 03:32:02,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 03:32:02,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 03:32:02,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 03:32:02,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 03:32:02,943 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 03:32:02,943 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 03:32:02,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 03:32:02,943 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 03:32:02,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 03:32:03,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 03:32:03,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 03:32:03,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 03:32:03,254 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 03:32:03,255 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 03:32:03,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2021-07-14 03:32:03,256 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2021-07-14 03:32:03,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 03:32:03,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 03:32:03,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 03:32:03,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 03:32:03,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 03:32:03,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 03:32:03,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 03:32:03,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 03:32:03,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 03:32:03,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... [2021-07-14 03:32:03,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 03:32:03,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 03:32:03,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 03:32:03,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 03:32:03,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:32:03,377 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 03:32:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 03:32:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 03:32:03,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 03:32:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 03:32:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 03:32:03,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 03:32:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 03:32:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 03:32:03,379 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 03:32:03,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 03:32:03,620 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 03:32:03,621 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 03:32:03,622 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:32:03 BoogieIcfgContainer [2021-07-14 03:32:03,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 03:32:03,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 03:32:03,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 03:32:03,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 03:32:03,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:32:03" (1/2) ... [2021-07-14 03:32:03,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6458b319 and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:32:03, skipping insertion in model container [2021-07-14 03:32:03,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:32:03" (2/2) ... [2021-07-14 03:32:03,649 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2021-07-14 03:32:03,653 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 03:32:03,653 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 03:32:03,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 03:32:03,653 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 03:32:03,700 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 03:32:03,727 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 03:32:03,787 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 03:32:03,787 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 03:32:03,787 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 03:32:03,787 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 03:32:03,787 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 03:32:03,787 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 03:32:03,788 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 03:32:03,788 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 03:32:03,815 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:03,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:03,818 INFO L82 PathProgramCache]: Analyzing trace with hash 394158217, now seen corresponding path program 1 times [2021-07-14 03:32:03,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:03,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507298359] [2021-07-14 03:32:03,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:03,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:03,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:03,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507298359] [2021-07-14 03:32:03,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507298359] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:32:03,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:32:03,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 03:32:03,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212788130] [2021-07-14 03:32:03,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 03:32:03,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:03,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 03:32:03,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-14 03:32:03,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:03,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:03,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:03,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:04,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 03:32:04,018 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:04,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:04,019 INFO L82 PathProgramCache]: Analyzing trace with hash 936764839, now seen corresponding path program 1 times [2021-07-14 03:32:04,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:04,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370852175] [2021-07-14 03:32:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:04,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:04,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370852175] [2021-07-14 03:32:04,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370852175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:04,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217714134] [2021-07-14 03:32:04,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:04,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 03:32:04,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:04,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 03:32:04,351 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:04,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:04,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:04,354 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-14 03:32:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:04,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217714134] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:04,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:04,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 03:32:04,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540672376] [2021-07-14 03:32:04,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 03:32:04,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:04,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 03:32:04,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-14 03:32:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:04,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:04,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:04,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:04,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:04,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:04,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:04,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:04,642 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:04,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:04,643 INFO L82 PathProgramCache]: Analyzing trace with hash 577700937, now seen corresponding path program 2 times [2021-07-14 03:32:04,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:04,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095119348] [2021-07-14 03:32:04,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:04,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:04,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095119348] [2021-07-14 03:32:04,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095119348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:04,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505123454] [2021-07-14 03:32:04,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:04,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:32:04,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:04,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 03:32:04,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:04,873 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:04,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 03:32:04,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:04,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:04,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:04,877 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 03:32:04,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:04,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505123454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:04,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:04,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 03:32:04,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196910893] [2021-07-14 03:32:04,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 03:32:04,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:04,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 03:32:04,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 03:32:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:04,885 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:04,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:04,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:04,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:04,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:05,169 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:05,169 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:05,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:05,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1963345433, now seen corresponding path program 3 times [2021-07-14 03:32:05,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:05,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538634927] [2021-07-14 03:32:05,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:05,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:05,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538634927] [2021-07-14 03:32:05,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538634927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:05,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651044520] [2021-07-14 03:32:05,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:05,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 03:32:05,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:05,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 03:32:05,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:05,482 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:05,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-14 03:32:05,494 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:05,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:05,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:05,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 03:32:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:05,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651044520] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:05,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:05,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 03:32:05,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35310879] [2021-07-14 03:32:05,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 03:32:05,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:05,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 03:32:05,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-14 03:32:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:05,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:05,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:05,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:05,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:05,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:05,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:05,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:05,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:05,788 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:05,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:05,788 INFO L82 PathProgramCache]: Analyzing trace with hash 868595721, now seen corresponding path program 4 times [2021-07-14 03:32:05,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:05,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561494311] [2021-07-14 03:32:05,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:05,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:05,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561494311] [2021-07-14 03:32:05,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561494311] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:05,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007180690] [2021-07-14 03:32:05,823 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:05,848 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:32:05,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:05,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 03:32:05,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:05,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007180690] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:05,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:05,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 03:32:05,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149765670] [2021-07-14 03:32:05,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 03:32:05,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:05,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 03:32:05,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-14 03:32:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:05,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:05,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:05,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:05,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:05,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:05,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:05,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:06,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 03:32:06,152 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:06,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:06,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1982275976, now seen corresponding path program 1 times [2021-07-14 03:32:06,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:06,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013179043] [2021-07-14 03:32:06,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:06,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:06,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013179043] [2021-07-14 03:32:06,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013179043] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:06,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232854005] [2021-07-14 03:32:06,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:06,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 03:32:06,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:06,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:06,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-14 03:32:06,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:06,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:06,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:06,502 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 03:32:06,507 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:06,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232854005] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:06,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:06,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-14 03:32:06,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364361715] [2021-07-14 03:32:06,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 03:32:06,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:06,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 03:32:06,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-07-14 03:32:06,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:06,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:06,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:06,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:06,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:06,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:06,913 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:06,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:06,913 INFO L82 PathProgramCache]: Analyzing trace with hash 468459306, now seen corresponding path program 2 times [2021-07-14 03:32:06,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:06,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935907745] [2021-07-14 03:32:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:07,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:07,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935907745] [2021-07-14 03:32:07,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935907745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:07,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782456757] [2021-07-14 03:32:07,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:07,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:32:07,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:07,056 WARN L261 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 03:32:07,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:07,245 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:07,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-14 03:32:07,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:07,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:07,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:07,317 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-14 03:32:07,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:07,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782456757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:07,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:07,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-07-14 03:32:07,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872450367] [2021-07-14 03:32:07,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 03:32:07,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:07,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 03:32:07,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 03:32:07,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:07,340 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:07,340 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:07,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:07,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:07,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:07,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:07,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:07,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:07,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-14 03:32:07,727 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:07,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:07,727 INFO L82 PathProgramCache]: Analyzing trace with hash 784782792, now seen corresponding path program 3 times [2021-07-14 03:32:07,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:07,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931651785] [2021-07-14 03:32:07,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:07,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:07,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931651785] [2021-07-14 03:32:07,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931651785] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:07,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512205442] [2021-07-14 03:32:07,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:07,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 03:32:07,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:07,864 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 03:32:07,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:08,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:08,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 03:32:08,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:08,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:08,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:08,398 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 03:32:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:08,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512205442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:08,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:08,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-14 03:32:08,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448435363] [2021-07-14 03:32:08,403 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 03:32:08,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:08,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 03:32:08,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-07-14 03:32:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:08,404 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:08,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:08,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:08,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:08,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-14 03:32:08,830 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:08,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:08,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2000876266, now seen corresponding path program 4 times [2021-07-14 03:32:08,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:08,831 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331394895] [2021-07-14 03:32:08,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:08,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:08,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331394895] [2021-07-14 03:32:08,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331394895] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:08,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093219727] [2021-07-14 03:32:08,923 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:08,955 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:32:08,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:08,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 03:32:08,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:09,273 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:09,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-14 03:32:09,796 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:09,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:09,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:09,798 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-14 03:32:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:09,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093219727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:09,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:09,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-14 03:32:09,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771891191] [2021-07-14 03:32:09,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 03:32:09,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:09,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 03:32:09,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-14 03:32:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:09,804 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:09,804 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:09,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:09,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:09,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:09,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:09,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:09,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:10,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:10,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:10,267 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:10,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:10,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1045068296, now seen corresponding path program 5 times [2021-07-14 03:32:10,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:10,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750363884] [2021-07-14 03:32:10,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:10,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:10,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750363884] [2021-07-14 03:32:10,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750363884] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:10,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873402075] [2021-07-14 03:32:10,328 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:10,366 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 03:32:10,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:10,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 03:32:10,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:10,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873402075] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:10,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:10,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-07-14 03:32:10,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487330191] [2021-07-14 03:32:10,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 03:32:10,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:10,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 03:32:10,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-07-14 03:32:10,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:10,408 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:10,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:10,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:10,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:32:10,731 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable199 [2021-07-14 03:32:10,731 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:10,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:10,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1137008791, now seen corresponding path program 6 times [2021-07-14 03:32:10,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:10,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227599007] [2021-07-14 03:32:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:10,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:10,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227599007] [2021-07-14 03:32:10,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227599007] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:10,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992656166] [2021-07-14 03:32:10,911 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:10,942 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 03:32:10,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:10,943 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 03:32:10,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:11,356 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 03:32:11,356 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:11,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 03:32:11,942 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 179 [2021-07-14 03:32:12,151 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 191 [2021-07-14 03:32:13,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:13,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:13,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:13,688 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 03:32:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:13,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992656166] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:13,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:13,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2021-07-14 03:32:13,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217201784] [2021-07-14 03:32:13,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 03:32:13,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:13,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 03:32:13,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-14 03:32:13,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:13,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:13,696 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:13,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:13,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:13,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:13,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:13,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:13,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:13,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:13,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:32:13,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:32:14,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:32:14,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-14 03:32:14,314 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:14,314 INFO L82 PathProgramCache]: Analyzing trace with hash -545466617, now seen corresponding path program 7 times [2021-07-14 03:32:14,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:14,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966728049] [2021-07-14 03:32:14,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:14,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:14,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966728049] [2021-07-14 03:32:14,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966728049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:14,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118071534] [2021-07-14 03:32:14,494 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:14,595 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 03:32:14,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:15,109 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 03:32:15,110 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:15,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-14 03:32:16,199 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-14 03:32:17,037 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-14 03:32:17,193 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-14 03:32:17,492 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-14 03:32:17,784 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-14 03:32:18,111 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-14 03:32:18,501 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-14 03:32:19,152 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-14 03:32:19,289 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-14 03:32:19,480 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-14 03:32:20,493 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:20,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:20,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:20,495 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 03:32:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:20,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118071534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:20,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:20,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-07-14 03:32:20,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449234556] [2021-07-14 03:32:20,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 03:32:20,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:20,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 03:32:20,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2021-07-14 03:32:20,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:20,502 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:20,503 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:32:20,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:32:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:32:21,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-07-14 03:32:21,143 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:21,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:21,144 INFO L82 PathProgramCache]: Analyzing trace with hash 612471593, now seen corresponding path program 8 times [2021-07-14 03:32:21,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:21,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684722763] [2021-07-14 03:32:21,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:21,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:21,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684722763] [2021-07-14 03:32:21,372 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684722763] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:21,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060792718] [2021-07-14 03:32:21,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:21,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:32:21,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:21,404 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 03:32:21,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:22,064 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 03:32:22,065 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:22,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 03:32:23,069 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-14 03:32:23,254 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-14 03:32:23,434 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-14 03:32:23,640 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-14 03:32:24,046 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-14 03:32:24,257 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-14 03:32:24,513 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-14 03:32:24,717 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-14 03:32:25,234 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-14 03:32:26,001 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-14 03:32:26,264 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-14 03:32:26,388 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-14 03:32:27,556 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-14 03:32:28,029 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-14 03:32:28,253 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-14 03:32:29,160 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-14 03:32:29,693 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-14 03:32:30,170 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-14 03:32:30,478 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-14 03:32:31,319 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-14 03:32:32,106 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-14 03:32:33,005 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-14 03:32:34,050 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-14 03:32:34,249 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-14 03:32:35,107 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-14 03:32:35,504 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-14 03:32:35,970 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-14 03:32:36,514 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-14 03:32:37,062 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-14 03:32:37,826 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-14 03:32:38,450 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-14 03:32:38,726 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-14 03:32:38,931 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-14 03:32:39,156 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-14 03:32:39,918 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-14 03:32:40,557 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-14 03:32:40,876 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-14 03:32:41,566 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 163 [2021-07-14 03:32:41,678 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-14 03:32:42,166 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-14 03:32:42,710 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-14 03:32:42,831 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 368 [2021-07-14 03:32:43,782 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-14 03:32:44,644 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-14 03:32:45,759 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-14 03:32:46,832 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-14 03:32:47,915 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-14 03:32:49,097 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-14 03:32:49,282 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-14 03:32:49,658 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-14 03:32:50,375 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-14 03:32:50,568 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-14 03:32:50,743 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-14 03:32:50,947 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-14 03:32:51,141 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-14 03:32:51,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:32:51,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:51,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:32:51,494 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 03:32:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:51,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060792718] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:51,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:32:51,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-14 03:32:51,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969154552] [2021-07-14 03:32:51,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 03:32:51,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:32:51,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 03:32:51,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-07-14 03:32:51,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:51,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:32:51,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:32:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:32:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:32:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:32:51,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:32:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:32:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 03:32:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 03:32:52,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable903 [2021-07-14 03:32:52,234 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:32:52,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:32:52,234 INFO L82 PathProgramCache]: Analyzing trace with hash -2146149561, now seen corresponding path program 9 times [2021-07-14 03:32:52,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:32:52,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658713349] [2021-07-14 03:32:52,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:32:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:32:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:32:52,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:32:52,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658713349] [2021-07-14 03:32:52,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658713349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:32:52,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898092386] [2021-07-14 03:32:52,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:32:52,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 03:32:52,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:32:52,455 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 03:32:52,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:32:53,129 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-14 03:32:53,130 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:32:53,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-14 03:32:54,327 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-14 03:32:54,507 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-14 03:32:54,726 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-14 03:32:56,012 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-14 03:32:56,214 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-14 03:32:56,471 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-14 03:32:57,026 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-14 03:32:57,595 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-14 03:32:58,267 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-14 03:32:59,067 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-14 03:32:59,989 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-14 03:33:00,908 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-14 03:33:01,974 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-14 03:33:04,335 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-14 03:33:06,146 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-14 03:33:07,267 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-14 03:33:08,914 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-14 03:33:09,806 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-14 03:33:10,141 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-14 03:33:11,086 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-14 03:33:11,216 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-14 03:33:11,366 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-14 03:33:12,393 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-14 03:33:12,605 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-14 03:33:12,804 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-14 03:33:13,656 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-14 03:33:13,991 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-14 03:33:14,403 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-14 03:33:15,527 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-14 03:33:15,706 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-14 03:33:16,224 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-14 03:33:16,715 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-14 03:33:16,886 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-14 03:33:17,096 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-14 03:33:17,258 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-14 03:33:17,890 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-14 03:33:18,212 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-14 03:33:18,366 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-14 03:33:18,523 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-14 03:33:18,684 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-14 03:33:19,272 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-14 03:33:19,947 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-14 03:33:20,131 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-14 03:33:20,366 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-14 03:33:20,714 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-14 03:33:22,109 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-14 03:33:22,321 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-14 03:33:22,793 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-14 03:33:23,918 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-14 03:33:25,488 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-14 03:33:25,659 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-14 03:33:25,872 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-14 03:33:26,038 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-14 03:33:26,789 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2021-07-14 03:33:26,906 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-14 03:33:27,079 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-14 03:33:27,449 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-14 03:33:27,619 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 198 [2021-07-14 03:33:28,478 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-14 03:33:28,728 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-14 03:33:29,846 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-14 03:33:30,054 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-14 03:33:30,574 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-14 03:33:31,240 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-14 03:33:32,032 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-14 03:33:33,422 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-14 03:33:33,604 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-14 03:33:33,845 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-14 03:33:34,148 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-14 03:33:34,752 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 207 [2021-07-14 03:33:34,874 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-14 03:33:35,343 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-14 03:33:35,634 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-14 03:33:36,198 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-14 03:33:36,566 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-14 03:33:36,993 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-14 03:33:38,017 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-14 03:33:38,207 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-14 03:33:38,891 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-14 03:33:39,703 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-14 03:33:41,073 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-14 03:33:43,364 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-14 03:33:44,374 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-14 03:33:44,550 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-14 03:33:45,219 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-14 03:33:45,951 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-14 03:33:46,353 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-14 03:33:46,500 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-14 03:33:47,342 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-14 03:33:47,523 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-14 03:33:48,237 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-07-14 03:33:48,405 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-14 03:33:48,632 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-14 03:33:49,068 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-14 03:33:50,176 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-14 03:33:50,824 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-14 03:33:51,325 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-14 03:33:51,587 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-14 03:33:52,199 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-14 03:33:52,664 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-14 03:33:53,136 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-14 03:33:53,994 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-14 03:33:54,369 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-14 03:33:55,282 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-14 03:33:56,390 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-14 03:33:58,026 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-14 03:34:00,574 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-14 03:34:05,913 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-14 03:34:13,239 WARN L205 SmtUtils]: Spent 7.31 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-14 03:34:22,287 WARN L205 SmtUtils]: Spent 9.03 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-14 03:34:32,759 WARN L205 SmtUtils]: Spent 10.45 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-14 03:34:34,140 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-14 03:34:35,044 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-14 03:34:35,220 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-14 03:34:35,498 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-14 03:34:35,620 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-14 03:34:36,840 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-14 03:34:37,406 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-14 03:34:38,134 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-14 03:34:38,269 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-14 03:34:38,776 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-14 03:34:39,259 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-14 03:34:39,545 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-14 03:34:39,811 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-14 03:34:40,302 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-14 03:34:41,131 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-14 03:34:41,900 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-14 03:34:42,091 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-14 03:34:43,021 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-14 03:34:43,275 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-14 03:34:43,784 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-14 03:34:45,171 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-14 03:34:46,814 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-14 03:34:47,102 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-14 03:34:47,261 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-14 03:34:47,416 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-14 03:34:47,653 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-14 03:34:48,327 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-14 03:34:48,654 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-14 03:34:49,137 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-14 03:34:49,257 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-14 03:34:49,860 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-14 03:34:50,519 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-14 03:34:50,730 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-14 03:34:51,534 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-14 03:34:51,951 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-14 03:34:52,871 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-14 03:34:53,602 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-14 03:34:53,764 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-14 03:34:54,021 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-14 03:34:54,524 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 193 [2021-07-14 03:34:54,630 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-07-14 03:34:55,378 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-14 03:34:55,961 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-14 03:34:56,384 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-14 03:34:57,721 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-14 03:34:59,303 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-14 03:35:03,235 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-14 03:35:03,371 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-14 03:35:03,544 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-14 03:35:03,673 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-14 03:35:03,791 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 221 [2021-07-14 03:35:04,271 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 189 [2021-07-14 03:35:04,677 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-14 03:35:05,558 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 182 [2021-07-14 03:35:05,708 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-14 03:35:05,951 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-14 03:35:06,254 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-14 03:35:06,497 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-14 03:35:06,928 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-14 03:35:07,232 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2021-07-14 03:35:07,393 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-14 03:35:07,579 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-14 03:35:07,896 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-14 03:35:08,423 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-14 03:35:08,626 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-14 03:35:08,908 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-14 03:35:09,073 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-14 03:35:09,740 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-14 03:35:10,169 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-14 03:35:10,383 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-14 03:35:10,665 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-14 03:35:11,128 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-14 03:35:11,858 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-14 03:35:12,007 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-14 03:35:13,029 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-14 03:35:14,136 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-14 03:35:14,363 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-14 03:35:14,610 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-14 03:35:15,000 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-14 03:35:15,600 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-14 03:35:16,717 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-14 03:35:17,010 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-14 03:35:17,561 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-14 03:35:19,032 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-14 03:35:25,250 WARN L205 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-14 03:35:32,048 WARN L205 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-14 03:35:41,039 WARN L205 SmtUtils]: Spent 8.97 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-14 03:35:51,124 WARN L205 SmtUtils]: Spent 10.07 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-14 03:35:52,232 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-14 03:35:53,137 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-14 03:35:53,331 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-14 03:35:54,450 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-14 03:35:54,614 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-14 03:35:54,843 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-14 03:35:55,144 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-14 03:35:56,094 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-14 03:35:56,684 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-14 03:35:57,475 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-14 03:35:58,401 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-14 03:36:00,072 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-14 03:36:00,203 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-14 03:36:00,360 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-14 03:36:00,600 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-14 03:36:01,392 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-14 03:36:02,093 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 183 [2021-07-14 03:36:02,214 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-14 03:36:02,617 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-14 03:36:03,218 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-14 03:36:04,923 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-14 03:36:06,839 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-14 03:36:09,353 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-14 03:36:23,056 WARN L205 SmtUtils]: Spent 13.69 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-14 03:36:48,491 WARN L205 SmtUtils]: Spent 25.41 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-14 03:37:17,727 WARN L205 SmtUtils]: Spent 29.20 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-14 03:37:18,941 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-14 03:37:19,106 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-14 03:37:20,600 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-14 03:37:20,848 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-14 03:37:21,296 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-14 03:37:21,852 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-14 03:37:54,551 WARN L205 SmtUtils]: Spent 32.68 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-14 03:38:31,237 WARN L205 SmtUtils]: Spent 36.64 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-14 03:39:07,950 WARN L205 SmtUtils]: Spent 36.67 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-14 03:39:49,466 WARN L205 SmtUtils]: Spent 41.49 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-14 03:40:56,250 WARN L205 SmtUtils]: Spent 1.11 m on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-14 03:41:58,265 WARN L205 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-14 03:43:02,459 WARN L205 SmtUtils]: Spent 1.07 m on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-14 03:43:10,833 WARN L205 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-14 03:43:25,175 WARN L205 SmtUtils]: Spent 14.33 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-14 03:43:25,468 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-14 03:43:34,592 WARN L205 SmtUtils]: Spent 9.12 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-14 03:43:35,147 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-14 03:43:35,556 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-14 03:43:40,762 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-14 03:43:40,896 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-14 03:43:41,010 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-14 03:43:42,035 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 230 [2021-07-14 03:43:42,200 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-14 03:43:42,703 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-14 03:43:43,023 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-14 03:43:43,742 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 174 [2021-07-14 03:43:44,280 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-14 03:43:44,406 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-14 03:43:44,512 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 208 [2021-07-14 03:43:44,923 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-14 03:43:45,309 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-14 03:43:46,266 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 209 [2021-07-14 03:43:46,521 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-14 03:43:46,820 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-14 03:43:47,205 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-14 03:43:47,723 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-14 03:43:48,927 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-14 03:43:49,149 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-14 03:43:49,274 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2021-07-14 03:43:50,499 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-14 03:43:50,678 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-14 03:43:51,249 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-14 03:43:51,622 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-14 03:43:51,745 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-14 03:43:53,555 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-14 03:43:54,079 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-14 03:43:54,368 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-14 03:43:54,805 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-14 03:43:55,753 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-14 03:43:58,106 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-14 03:44:00,942 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-14 03:44:04,283 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-14 03:44:10,156 WARN L205 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-14 03:44:10,582 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-14 03:44:10,793 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-14 03:44:11,363 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 216 [2021-07-14 03:44:11,501 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 217 [2021-07-14 03:44:12,200 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-14 03:44:12,497 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-14 03:44:12,879 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-14 03:44:19,150 WARN L205 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-14 03:44:19,816 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-14 03:44:20,413 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 225 [2021-07-14 03:44:20,571 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-14 03:44:20,766 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-14 03:44:20,998 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-14 03:44:21,123 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-14 03:44:21,907 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-14 03:44:22,073 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-14 03:44:22,753 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-14 03:44:22,913 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-14 03:44:23,132 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-14 03:44:23,539 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-14 03:44:24,253 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-14 03:44:25,143 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-14 03:44:33,129 WARN L205 SmtUtils]: Spent 7.98 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-14 03:44:42,559 WARN L205 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-14 03:45:01,571 WARN L205 SmtUtils]: Spent 18.98 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-14 03:45:32,752 WARN L205 SmtUtils]: Spent 31.14 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown