/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 04:50:45,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 04:50:45,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 04:50:45,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 04:50:45,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 04:50:45,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 04:50:45,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 04:50:45,332 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-DelaySleep-NoLbe.epf [2021-06-06 04:50:45,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 04:50:45,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 04:50:45,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 04:50:45,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 04:50:45,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 04:50:45,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 04:50:45,370 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 04:50:45,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 04:50:45,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 04:50:45,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 04:50:45,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 04:50:45,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 04:50:45,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 04:50:45,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 04:50:45,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 04:50:45,372 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 04:50:45,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 04:50:45,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 04:50:45,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 04:50:45,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 04:50:45,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 04:50:45,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 04:50:45,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 04:50:45,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:50:45,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 04:50:45,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 04:50:45,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 04:50:45,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 04:50:45,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 04:50:45,374 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 04:50:45,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 04:50:45,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 04:50:45,374 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 04:50:45,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 04:50:45,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 04:50:45,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 04:50:45,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 04:50:45,719 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 04:50:45,720 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 04:50:45,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-06-06 04:50:45,720 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-06-06 04:50:45,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 04:50:45,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 04:50:45,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 04:50:45,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 04:50:45,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 04:50:45,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 04:50:45,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 04:50:45,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 04:50:45,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 04:50:45,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... [2021-06-06 04:50:45,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 04:50:45,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 04:50:45,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 04:50:45,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 04:50:45,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:50:45,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 04:50:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 04:50:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 04:50:45,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 04:50:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 04:50:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 04:50:45,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 04:50:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 04:50:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 04:50:45,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 04:50:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 04:50:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 04:50:45,915 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 04:50:46,099 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 04:50:46,099 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 04:50:46,100 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:50:46 BoogieIcfgContainer [2021-06-06 04:50:46,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 04:50:46,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 04:50:46,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 04:50:46,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 04:50:46,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:50:45" (1/2) ... [2021-06-06 04:50:46,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bd6a17 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 04:50:46, skipping insertion in model container [2021-06-06 04:50:46,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:50:46" (2/2) ... [2021-06-06 04:50:46,107 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-06-06 04:50:46,111 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 04:50:46,112 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 04:50:46,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 04:50:46,113 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 04:50:46,151 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 04:50:46,184 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 04:50:46,251 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 04:50:46,252 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 04:50:46,252 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 04:50:46,252 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 04:50:46,252 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 04:50:46,252 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 04:50:46,252 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 04:50:46,252 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 04:50:46,333 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:46,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:46,337 INFO L82 PathProgramCache]: Analyzing trace with hash 996154649, now seen corresponding path program 1 times [2021-06-06 04:50:46,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:46,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737435633] [2021-06-06 04:50:46,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 04:50:46,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:46,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737435633] [2021-06-06 04:50:46,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737435633] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 04:50:46,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 04:50:46,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 04:50:46,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268108777] [2021-06-06 04:50:46,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 04:50:46,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:46,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 04:50:46,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 04:50:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:46,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:46,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:46,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:46,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:46,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 04:50:46,532 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:46,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:46,533 INFO L82 PathProgramCache]: Analyzing trace with hash 626727670, now seen corresponding path program 1 times [2021-06-06 04:50:46,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:46,534 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715780507] [2021-06-06 04:50:46,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:50:46,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:46,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715780507] [2021-06-06 04:50:46,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715780507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:46,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637459454] [2021-06-06 04:50:46,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:46,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 04:50:46,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:46,861 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 17 treesize of output 13 [2021-06-06 04:50:46,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:46,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:46,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:46,868 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-06-06 04:50:46,916 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 19 treesize of output 15 [2021-06-06 04:50:46,928 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:46,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:46,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2021-06-06 04:50:46,940 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:46,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:46,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:46,944 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-06-06 04:50:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:50:46,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637459454] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:46,968 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:46,968 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-06-06 04:50:46,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459243628] [2021-06-06 04:50:46,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 04:50:46,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:46,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 04:50:46,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 04:50:46,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:46,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:46,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:46,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:46,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:47,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:47,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:47,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:47,337 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:47,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:47,338 INFO L82 PathProgramCache]: Analyzing trace with hash -536046897, now seen corresponding path program 2 times [2021-06-06 04:50:47,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:47,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057719052] [2021-06-06 04:50:47,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 04:50:47,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:47,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057719052] [2021-06-06 04:50:47,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057719052] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 04:50:47,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 04:50:47,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 04:50:47,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877115165] [2021-06-06 04:50:47,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 04:50:47,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:47,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 04:50:47,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 04:50:47,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:47,389 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:47,389 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:47,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:47,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:47,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 04:50:47,425 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:47,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:47,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1533566290, now seen corresponding path program 3 times [2021-06-06 04:50:47,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:47,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111608965] [2021-06-06 04:50:47,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 04:50:47,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:47,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111608965] [2021-06-06 04:50:47,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111608965] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:47,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134576782] [2021-06-06 04:50:47,535 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:47,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 04:50:47,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:47,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 04:50:47,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 04:50:47,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134576782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:47,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:47,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 5 [2021-06-06 04:50:47,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562032144] [2021-06-06 04:50:47,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 04:50:47,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:47,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 04:50:47,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-06 04:50:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:47,644 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:47,644 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:47,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:47,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:47,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:47,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:47,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:47,881 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:47,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:47,881 INFO L82 PathProgramCache]: Analyzing trace with hash 231487983, now seen corresponding path program 4 times [2021-06-06 04:50:47,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:47,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774153435] [2021-06-06 04:50:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 04:50:47,944 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:47,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774153435] [2021-06-06 04:50:47,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774153435] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:47,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495360634] [2021-06-06 04:50:47,945 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:47,999 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:50:47,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:48,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 04:50:48,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:48,064 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 12 treesize of output 8 [2021-06-06 04:50:48,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:48,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:48,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:48,068 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-06-06 04:50:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 04:50:48,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495360634] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:48,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:48,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-06-06 04:50:48,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032651952] [2021-06-06 04:50:48,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 04:50:48,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:48,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 04:50:48,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-06-06 04:50:48,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:48,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:48,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:48,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:48,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:48,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:48,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:48,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:48,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:48,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:48,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:48,522 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:48,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:48,522 INFO L82 PathProgramCache]: Analyzing trace with hash 2015419596, now seen corresponding path program 5 times [2021-06-06 04:50:48,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:48,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023311359] [2021-06-06 04:50:48,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:50:48,722 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:48,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023311359] [2021-06-06 04:50:48,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023311359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:48,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088958653] [2021-06-06 04:50:48,722 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:48,768 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 04:50:48,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:48,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 04:50:48,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:49,099 INFO L354 Elim1Store]: treesize reduction 32, result has 8.6 percent of original size [2021-06-06 04:50:49,100 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 27 [2021-06-06 04:50:49,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:49,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:49,112 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:49,112 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:17 [2021-06-06 04:50:49,159 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 23 treesize of output 19 [2021-06-06 04:50:49,161 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:49,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:49,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:49,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2021-06-06 04:50:49,223 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:49,224 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-06-06 04:50:49,243 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:49,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:49,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:49,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-06-06 04:50:49,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:49,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:49,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:49,274 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:31, output treesize:3 [2021-06-06 04:50:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:50:49,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088958653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:49,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:49,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-06 04:50:49,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416507567] [2021-06-06 04:50:49,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:50:49,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:49,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:50:49,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:50:49,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:49,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:49,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:49,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:49,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:49,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:49,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 04:50:49,781 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:49,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:49,781 INFO L82 PathProgramCache]: Analyzing trace with hash 289703755, now seen corresponding path program 6 times [2021-06-06 04:50:49,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:49,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784684702] [2021-06-06 04:50:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 04:50:49,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:49,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784684702] [2021-06-06 04:50:49,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784684702] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:49,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650648925] [2021-06-06 04:50:49,913 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:49,958 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 04:50:49,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:49,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 04:50:49,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:50,081 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:50,081 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 16 treesize of output 19 [2021-06-06 04:50:50,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:50,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:50,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:50,087 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-06-06 04:50:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 04:50:50,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650648925] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:50,103 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:50,103 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-06-06 04:50:50,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506191102] [2021-06-06 04:50:50,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 04:50:50,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:50,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 04:50:50,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-06 04:50:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:50,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:50,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:50,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:50,889 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:50,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:50,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1102781480, now seen corresponding path program 7 times [2021-06-06 04:50:50,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:50,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77240583] [2021-06-06 04:50:50,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:50:51,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:51,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77240583] [2021-06-06 04:50:51,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77240583] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:51,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157864890] [2021-06-06 04:50:51,154 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:51,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 04:50:51,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:51,342 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-06 04:50:51,342 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 37 [2021-06-06 04:50:51,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:51,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:51,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:51,346 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:27 [2021-06-06 04:50:51,509 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:51,509 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 52 treesize of output 51 [2021-06-06 04:50:51,519 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:51,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:51,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:51,545 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:45 [2021-06-06 04:50:51,745 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:51,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2021-06-06 04:50:51,797 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:51,805 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:51,805 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-06-06 04:50:51,826 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:51,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:51,863 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:51,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 49 [2021-06-06 04:50:51,883 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:51,898 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:51,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 45 [2021-06-06 04:50:51,913 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:51,933 INFO L628 ElimStorePlain]: treesize reduction 13, result has 64.9 percent of original size [2021-06-06 04:50:51,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:51,937 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:91, output treesize:3 [2021-06-06 04:50:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:50:51,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157864890] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:51,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:51,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-06-06 04:50:51,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778360422] [2021-06-06 04:50:51,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 04:50:51,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:51,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 04:50:51,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-06 04:50:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:51,951 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:51,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:51,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:52,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 04:50:52,569 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:52,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:52,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1647027594, now seen corresponding path program 8 times [2021-06-06 04:50:52,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:52,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001278889] [2021-06-06 04:50:52,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-06 04:50:52,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:52,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001278889] [2021-06-06 04:50:52,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001278889] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:52,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773611619] [2021-06-06 04:50:52,638 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:52,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:50:52,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:52,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 04:50:52,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-06 04:50:52,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773611619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:52,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:52,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 9 [2021-06-06 04:50:52,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461808337] [2021-06-06 04:50:52,768 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 04:50:52,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:52,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 04:50:52,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-06-06 04:50:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:52,769 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:52,769 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:53,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-06-06 04:50:53,025 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:53,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:53,025 INFO L82 PathProgramCache]: Analyzing trace with hash 836243879, now seen corresponding path program 9 times [2021-06-06 04:50:53,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:53,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001116433] [2021-06-06 04:50:53,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 04:50:53,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:53,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001116433] [2021-06-06 04:50:53,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001116433] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:53,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453537179] [2021-06-06 04:50:53,147 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:53,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 04:50:53,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:53,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 04:50:53,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:53,335 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:53,335 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 20 treesize of output 38 [2021-06-06 04:50:53,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:53,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:53,354 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:53,355 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-06-06 04:50:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 04:50:53,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453537179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:53,364 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:53,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-06-06 04:50:53,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123110391] [2021-06-06 04:50:53,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 04:50:53,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:53,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 04:50:53,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-06-06 04:50:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:53,366 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:53,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:53,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:53,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:53,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:53,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:53,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:53,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:53,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:53,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:53,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:53,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:53,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:50:54,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:54,148 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:54,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:54,149 INFO L82 PathProgramCache]: Analyzing trace with hash 2122979460, now seen corresponding path program 10 times [2021-06-06 04:50:54,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:54,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636779541] [2021-06-06 04:50:54,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:50:54,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:54,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636779541] [2021-06-06 04:50:54,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636779541] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:54,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676880835] [2021-06-06 04:50:54,586 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:54,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:50:54,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:54,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-06 04:50:54,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:54,879 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-06-06 04:50:54,880 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 52 [2021-06-06 04:50:54,881 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:54,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:54,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:54,883 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:39 [2021-06-06 04:50:55,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:55,238 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 76 treesize of output 82 [2021-06-06 04:50:55,293 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:55,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:55,392 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:55,392 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:76, output treesize:73 [2021-06-06 04:50:56,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:56,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-06 04:50:56,187 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:56,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-06-06 04:50:56,194 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:56,204 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:56,204 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-06 04:50:56,211 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:56,223 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:56,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-06-06 04:50:56,232 INFO L550 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:56,249 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:56,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 63 [2021-06-06 04:50:56,344 INFO L550 ElimStorePlain]: Start of recursive call 6: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:50:56,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:56,455 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:56,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 88 [2021-06-06 04:50:56,579 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:56,614 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:56,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 84 [2021-06-06 04:50:56,719 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:56,755 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:56,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 76 [2021-06-06 04:50:56,786 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:56,793 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-06-06 04:50:56,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 16 [2021-06-06 04:50:56,795 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:56,851 INFO L354 Elim1Store]: treesize reduction 4, result has 94.2 percent of original size [2021-06-06 04:50:56,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 80 [2021-06-06 04:50:56,900 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:56,932 INFO L628 ElimStorePlain]: treesize reduction 74, result has 26.7 percent of original size [2021-06-06 04:50:56,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:56,934 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:308, output treesize:3 [2021-06-06 04:50:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:50:56,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676880835] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:56,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:56,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 30 [2021-06-06 04:50:56,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889407094] [2021-06-06 04:50:56,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 04:50:56,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:56,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 04:50:56,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-06-06 04:50:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:56,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:56,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.4838709677419355) internal successors, (77), 30 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:56,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:50:56,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:57,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:50:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:57,654 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:57,655 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:57,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:57,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1902353702, now seen corresponding path program 11 times [2021-06-06 04:50:57,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:57,655 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227134795] [2021-06-06 04:50:57,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-06 04:50:57,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:57,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227134795] [2021-06-06 04:50:57,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227134795] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:57,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269430487] [2021-06-06 04:50:57,737 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:57,788 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 04:50:57,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:57,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 04:50:57,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-06 04:50:57,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269430487] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:57,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:57,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 11 [2021-06-06 04:50:57,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5503969] [2021-06-06 04:50:57,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 04:50:57,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:57,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 04:50:57,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-06-06 04:50:57,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:57,861 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:57,861 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:57,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:57,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:57,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:57,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:50:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:58,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable271 [2021-06-06 04:50:58,117 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:58,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:58,117 INFO L82 PathProgramCache]: Analyzing trace with hash -211728125, now seen corresponding path program 12 times [2021-06-06 04:50:58,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:58,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81075906] [2021-06-06 04:50:58,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:50:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 04:50:58,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:50:58,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81075906] [2021-06-06 04:50:58,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81075906] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:58,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517948931] [2021-06-06 04:50:58,245 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:58,313 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 04:50:58,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:50:58,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 04:50:58,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:50:58,544 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:58,545 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 24 treesize of output 65 [2021-06-06 04:50:58,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:50:58,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:50:58,572 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:50:58,572 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:4 [2021-06-06 04:50:58,581 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 04:50:58,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517948931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:50:58,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:50:58,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 19 [2021-06-06 04:50:58,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716330485] [2021-06-06 04:50:58,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 04:50:58,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:50:58,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 04:50:58,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-06-06 04:50:58,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:58,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:50:58,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 19 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:50:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:50:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:58,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:50:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:50:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:50:59,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:50:59,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:50:59,435 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:50:59,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:50:59,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1605386720, now seen corresponding path program 13 times [2021-06-06 04:50:59,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:50:59,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990777790] [2021-06-06 04:50:59,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:50:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:51:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:51:00,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:51:00,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990777790] [2021-06-06 04:51:00,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990777790] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:51:00,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372132897] [2021-06-06 04:51:00,026 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:51:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:51:00,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-06 04:51:00,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:51:00,374 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-06 04:51:00,375 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 105 treesize of output 69 [2021-06-06 04:51:00,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:00,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:00,378 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:51:00,378 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:53 [2021-06-06 04:51:01,003 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:01,003 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 104 treesize of output 121 [2021-06-06 04:51:01,389 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:01,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:02,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:02,068 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:109 [2021-06-06 04:51:03,419 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-06 04:51:04,509 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-06 04:51:05,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-06 04:51:05,860 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:05,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 04:51:05,868 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:05,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-06-06 04:51:05,876 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:05,894 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:05,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 04:51:05,903 INFO L550 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:05,936 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:05,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 79 [2021-06-06 04:51:06,138 INFO L550 ElimStorePlain]: Start of recursive call 5: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:06,155 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:06,156 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 04:51:06,161 INFO L550 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:06,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:06,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 04:51:06,187 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:06,203 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:06,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 04:51:06,211 INFO L550 ElimStorePlain]: Start of recursive call 8: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:06,232 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:06,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-06-06 04:51:06,240 INFO L550 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:06,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-06-06 04:51:06,251 INFO L550 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:06,383 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-06 04:51:06,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:06,460 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:06,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 139 [2021-06-06 04:51:06,882 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 126 [2021-06-06 04:51:08,515 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:08,570 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:08,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 115 [2021-06-06 04:51:08,708 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:08,725 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-06-06 04:51:08,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 19 [2021-06-06 04:51:08,728 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:08,751 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-06 04:51:08,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 19 [2021-06-06 04:51:08,753 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:08,766 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-06 04:51:08,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 19 [2021-06-06 04:51:08,768 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:08,778 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-06-06 04:51:08,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 19 [2021-06-06 04:51:08,779 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:08,796 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-06-06 04:51:08,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 19 [2021-06-06 04:51:08,798 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:08,810 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-06-06 04:51:08,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 19 [2021-06-06 04:51:08,812 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:08,898 INFO L354 Elim1Store]: treesize reduction 8, result has 92.9 percent of original size [2021-06-06 04:51:08,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 123 [2021-06-06 04:51:09,057 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:09,126 INFO L628 ElimStorePlain]: treesize reduction 175, result has 24.9 percent of original size [2021-06-06 04:51:09,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:51:09,128 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:720, output treesize:3 [2021-06-06 04:51:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:51:09,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372132897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:51:09,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:51:09,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 38 [2021-06-06 04:51:09,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824765133] [2021-06-06 04:51:09,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 04:51:09,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:51:09,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 04:51:09,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 04:51:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:51:09,171 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:51:09,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:51:09,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:51:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:51:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:51:10,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable283 [2021-06-06 04:51:10,609 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:51:10,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:51:10,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1329619394, now seen corresponding path program 14 times [2021-06-06 04:51:10,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:51:10,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417266911] [2021-06-06 04:51:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:51:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:51:10,724 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-06 04:51:10,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:51:10,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417266911] [2021-06-06 04:51:10,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417266911] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:51:10,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809789325] [2021-06-06 04:51:10,725 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:51:10,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:51:10,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:51:10,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 04:51:10,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:51:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-06-06 04:51:10,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809789325] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:51:10,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:51:10,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 13 [2021-06-06 04:51:10,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883973704] [2021-06-06 04:51:10,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 04:51:10,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:51:10,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 04:51:10,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-06-06 04:51:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:51:10,845 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:51:10,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:51:10,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:51:10,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:10,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:51:10,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:51:10,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:51:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:51:10,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:51:11,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1655,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:51:11,121 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:51:11,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:51:11,121 INFO L82 PathProgramCache]: Analyzing trace with hash -2049794721, now seen corresponding path program 15 times [2021-06-06 04:51:11,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:51:11,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811158558] [2021-06-06 04:51:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:51:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:51:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-06 04:51:11,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:51:11,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811158558] [2021-06-06 04:51:11,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811158558] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:51:11,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891000855] [2021-06-06 04:51:11,259 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:51:11,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-06 04:51:11,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:51:11,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 04:51:11,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:51:11,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:11,557 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 28 treesize of output 100 [2021-06-06 04:51:11,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:11,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:11,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:51:11,622 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:4 [2021-06-06 04:51:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-06 04:51:11,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891000855] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:51:11,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:51:11,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 22 [2021-06-06 04:51:11,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659576567] [2021-06-06 04:51:11,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 04:51:11,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:51:11,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 04:51:11,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-06-06 04:51:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:51:11,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:51:11,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 22 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:51:11,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:51:11,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:51:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:51:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:51:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:51:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:51:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:51:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:51:12,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1656 [2021-06-06 04:51:12,489 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:51:12,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:51:12,489 INFO L82 PathProgramCache]: Analyzing trace with hash -160954308, now seen corresponding path program 16 times [2021-06-06 04:51:12,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:51:12,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277298746] [2021-06-06 04:51:12,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:51:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:51:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:51:13,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:51:13,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277298746] [2021-06-06 04:51:13,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277298746] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:51:13,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087925067] [2021-06-06 04:51:13,215 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:51:13,251 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:51:13,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:51:13,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-06 04:51:13,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:51:13,622 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-06-06 04:51:13,622 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 132 treesize of output 88 [2021-06-06 04:51:13,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:13,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:13,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:51:13,625 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:69 [2021-06-06 04:51:14,615 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:14,615 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 136 treesize of output 168 [2021-06-06 04:51:16,357 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:16,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:18,501 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:18,501 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:136, output treesize:153 [2021-06-06 04:51:22,084 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-06 04:51:25,263 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-06 04:51:28,781 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-06-06 04:51:28,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 04:51:28,840 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:28,852 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:28,852 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:28,858 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:28,873 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:28,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:28,899 INFO L550 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:28,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 04:51:28,910 INFO L550 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:28,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:28,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:28,934 INFO L550 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:28,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 04:51:28,949 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:28,972 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:28,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:28,980 INFO L550 ElimStorePlain]: Start of recursive call 8: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,005 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:29,014 INFO L550 ElimStorePlain]: Start of recursive call 9: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,042 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:29,051 INFO L550 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-06-06 04:51:29,065 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,091 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:29,099 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,153 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 95 [2021-06-06 04:51:29,531 INFO L550 ElimStorePlain]: Start of recursive call 13: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,555 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:29,562 INFO L550 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,595 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:29,603 INFO L550 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-06-06 04:51:29,630 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:51:29,856 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-06-06 04:51:29,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,929 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:51:29,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 162 [2021-06-06 04:51:30,225 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,252 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-06-06 04:51:30,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:51:30,255 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,279 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-06-06 04:51:30,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:51:30,282 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,309 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-06 04:51:30,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:51:30,312 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,337 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-06-06 04:51:30,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:51:30,339 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,361 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-06-06 04:51:30,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:51:30,363 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,382 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-06-06 04:51:30,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:51:30,384 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,404 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-06 04:51:30,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:51:30,407 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,424 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-06-06 04:51:30,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:51:30,426 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 04:51:30,581 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-06 04:51:30,581 INFO L354 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2021-06-06 04:51:30,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 198 [2021-06-06 04:51:31,077 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 259 [2021-06-06 04:51:31,668 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 407 [2021-06-06 04:51:32,148 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 407 [2021-06-06 04:51:32,684 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 422 [2021-06-06 04:51:33,323 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 557 [2021-06-06 04:51:33,854 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 513 [2021-06-06 04:51:34,455 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 554 [2021-06-06 04:51:35,221 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 735 [2021-06-06 04:51:35,899 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 327 [2021-06-06 04:51:36,416 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 431 [2021-06-06 04:51:37,274 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 301 [2021-06-06 04:51:37,640 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 383 [2021-06-06 04:51:38,432 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 744 [2021-06-06 04:51:39,016 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 265 [2021-06-06 04:51:40,402 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1070 [2021-06-06 04:51:40,755 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 455 [2021-06-06 04:51:41,540 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 554 [2021-06-06 04:51:41,819 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 358 [2021-06-06 04:51:42,924 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 241 [2021-06-06 04:51:43,112 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 313 [2021-06-06 04:51:43,856 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 203 [2021-06-06 04:51:44,323 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 469 [2021-06-06 04:51:45,179 WARN L205 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 710 [2021-06-06 04:51:45,849 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 301 [2021-06-06 04:51:46,666 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 229 [2021-06-06 04:51:46,910 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 465 [2021-06-06 04:51:47,391 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 655 [2021-06-06 04:51:48,089 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 288 [2021-06-06 04:51:48,956 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 1096 DAG size of output: 948 [2021-06-06 04:51:52,675 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 2333 DAG size of output: 1913 [2021-06-06 04:51:53,241 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 541 [2021-06-06 04:51:53,899 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 588 [2021-06-06 04:51:54,505 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 300 [2021-06-06 04:51:55,965 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 317 [2021-06-06 04:51:56,197 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 456 [2021-06-06 04:51:56,673 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 678 [2021-06-06 04:51:57,730 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1222 DAG size of output: 1094 [2021-06-06 04:51:58,109 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 489 [2021-06-06 04:51:59,703 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 331 [2021-06-06 04:51:59,984 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 440 [2021-06-06 04:52:00,629 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 735 [2021-06-06 04:52:01,388 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 288 [2021-06-06 04:52:01,588 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 350 [2021-06-06 04:52:02,110 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 449 [2021-06-06 04:52:03,120 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 406 [2021-06-06 04:52:03,569 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 605 [2021-06-06 04:52:04,400 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 911 [2021-06-06 04:52:07,533 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 1897 DAG size of output: 1737 [2021-06-06 04:52:16,036 WARN L205 SmtUtils]: Spent 8.49 s on a formula simplification. DAG size of input: 3152 DAG size of output: 2726 [2021-06-06 04:52:24,605 WARN L205 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 3152 DAG size of output: 2726 [2021-06-06 04:52:33,258 WARN L205 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 3158 DAG size of output: 2732 [2021-06-06 04:52:33,514 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 1745 [2021-06-06 04:52:35,646 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 984 [2021-06-06 04:52:38,310 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 804 [2021-06-06 04:52:40,698 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-06 04:52:41,224 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 80 [2021-06-06 04:52:41,459 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 80 [2021-06-06 04:52:41,683 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 385 [2021-06-06 04:52:42,429 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 557 [2021-06-06 04:52:43,009 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 263 [2021-06-06 04:52:43,849 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 547 [2021-06-06 04:52:44,162 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 547 [2021-06-06 04:52:44,480 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 501 [2021-06-06 04:52:45,605 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 223 [2021-06-06 04:52:47,781 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 769 DAG size of output: 1015 [2021-06-06 04:52:50,325 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 235 [2021-06-06 04:52:52,583 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 474 [2021-06-06 04:52:52,922 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 317 [2021-06-06 04:52:53,722 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 335 [2021-06-06 04:52:54,338 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 430 [2021-06-06 04:52:55,004 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2021-06-06 04:52:55,611 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 235 [2021-06-06 04:52:55,893 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 480 [2021-06-06 04:52:57,074 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 873 [2021-06-06 04:52:57,958 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 873 [2021-06-06 04:52:58,796 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 886 [2021-06-06 04:52:59,067 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 594 [2021-06-06 04:52:59,391 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 246 [2021-06-06 04:52:59,804 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 822 [2021-06-06 04:53:00,665 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 1236 DAG size of output: 445 [2021-06-06 04:53:01,053 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1236 DAG size of output: 445 [2021-06-06 04:53:01,300 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 9 [2021-06-06 04:53:01,534 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 1756 [2021-06-06 04:53:01,779 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 1759 [2021-06-06 04:53:02,098 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 511 [2021-06-06 04:53:03,721 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 312 [2021-06-06 04:53:03,934 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 312 [2021-06-06 04:53:04,147 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 325 [2021-06-06 04:53:05,528 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 222 [2021-06-06 04:53:06,500 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 245 [2021-06-06 04:53:06,610 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 245 [2021-06-06 04:53:09,497 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 735 [2021-06-06 04:53:09,925 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 543 [2021-06-06 04:53:10,596 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 310 [2021-06-06 04:53:11,295 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 633 [2021-06-06 04:53:11,597 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 474 [2021-06-06 04:53:12,415 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 489 [2021-06-06 04:53:13,260 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 309 [2021-06-06 04:53:14,438 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1414 DAG size of output: 984 [2021-06-06 04:53:15,621 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1414 DAG size of output: 984 [2021-06-06 04:53:16,647 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1424 DAG size of output: 1000 [2021-06-06 04:53:18,590 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 68 [2021-06-06 04:53:19,448 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 228 [2021-06-06 04:53:19,574 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 228 [2021-06-06 04:53:19,802 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 282 [2021-06-06 04:53:20,373 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 213 [2021-06-06 04:53:21,027 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 775 [2021-06-06 04:53:23,279 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 362 [2021-06-06 04:53:24,676 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 221 [2021-06-06 04:53:24,799 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 221 [2021-06-06 04:53:26,387 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 04:53:26,527 INFO L354 Elim1Store]: treesize reduction 20, result has 85.8 percent of original size [2021-06-06 04:53:26,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 142 [2021-06-06 04:53:26,663 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 04:53:26,676 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-06 04:53:26,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:53:26,678 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 04:53:26,693 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-06 04:53:26,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:53:26,695 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 04:53:26,711 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-06 04:53:26,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:53:26,714 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 04:53:26,727 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-06-06 04:53:26,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 55 treesize of output 22 [2021-06-06 04:53:26,729 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 04:53:26,807 INFO L628 ElimStorePlain]: treesize reduction 430, result has 12.8 percent of original size [2021-06-06 04:53:26,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:53:26,809 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 9 variables, input treesize:1498, output treesize:3 [2021-06-06 04:53:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:53:26,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087925067] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:53:26,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:53:26,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 46 [2021-06-06 04:53:26,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154917417] [2021-06-06 04:53:26,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 04:53:26,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:53:26,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 04:53:26,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2032, Unknown=0, NotChecked=0, Total=2162 [2021-06-06 04:53:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:53:26,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:53:26,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.3191489361702127) internal successors, (109), 46 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:53:26,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:26,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:53:26,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:26,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:53:26,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:26,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:53:26,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:53:26,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:53:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:53:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 04:53:28,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1685,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:53:28,686 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:53:28,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:53:28,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1431280802, now seen corresponding path program 17 times [2021-06-06 04:53:28,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:53:28,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037281782] [2021-06-06 04:53:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:53:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:53:28,807 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-06 04:53:28,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:53:28,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037281782] [2021-06-06 04:53:28,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037281782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:53:28,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008260737] [2021-06-06 04:53:28,808 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:53:28,860 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-06 04:53:28,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:53:28,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 04:53:28,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:53:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-06 04:53:28,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008260737] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:53:28,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:53:28,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 15 [2021-06-06 04:53:28,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549163486] [2021-06-06 04:53:28,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 04:53:28,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:53:28,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 04:53:28,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2021-06-06 04:53:28,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:53:28,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:53:28,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 04:53:28,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:53:29,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:53:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:53:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:53:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 04:53:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:53:29,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24630 [2021-06-06 04:53:29,233 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:53:29,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:53:29,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1479966395, now seen corresponding path program 18 times [2021-06-06 04:53:29,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:53:29,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632396372] [2021-06-06 04:53:29,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:53:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:53:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-06 04:53:29,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:53:29,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632396372] [2021-06-06 04:53:29,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632396372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:53:29,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142731148] [2021-06-06 04:53:29,416 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:53:29,468 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 04:53:29,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:53:29,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-06 04:53:29,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:53:29,910 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:53:29,910 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 32 treesize of output 143 [2021-06-06 04:53:30,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:53:30,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:53:30,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:53:30,082 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:4 [2021-06-06 04:53:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-06-06 04:53:30,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142731148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:53:30,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:53:30,091 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 25 [2021-06-06 04:53:30,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253349469] [2021-06-06 04:53:30,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 04:53:30,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:53:30,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 04:53:30,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2021-06-06 04:53:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:53:30,092 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:53:30,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:30,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:53:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:53:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:53:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:53:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 04:53:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:53:30,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 04:53:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 04:53:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:53:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:53:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:53:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 04:53:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 04:53:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 04:53:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 04:53:31,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24631 [2021-06-06 04:53:31,172 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 04:53:31,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:53:31,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1191435160, now seen corresponding path program 19 times [2021-06-06 04:53:31,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:53:31,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028831706] [2021-06-06 04:53:31,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:53:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:53:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:53:32,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:53:32,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028831706] [2021-06-06 04:53:32,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028831706] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:53:32,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981996284] [2021-06-06 04:53:32,207 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:53:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:53:32,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 97 conjunts are in the unsatisfiable core [2021-06-06 04:53:32,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:53:32,831 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 04:53:32,832 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 7 new quantified variables, introduced 21 case distinctions, treesize of input 161 treesize of output 109 [2021-06-06 04:53:32,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:53:32,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:53:32,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:53:32,857 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:87 [2021-06-06 04:53:34,564 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:53:34,564 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 172 treesize of output 223 [2021-06-06 04:53:37,390 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:53:37,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:53:42,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-06-06 04:53:42,842 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:172, output treesize:205 [2021-06-06 04:53:55,681 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-06 04:54:12,844 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-06 04:54:31,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-06-06 04:54:31,790 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:31,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:31,798 INFO L550 ElimStorePlain]: Start of recursive call 2: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:31,822 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:31,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:31,830 INFO L550 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:31,856 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:31,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:31,864 INFO L550 ElimStorePlain]: Start of recursive call 4: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:31,884 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:31,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:31,891 INFO L550 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:31,918 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:31,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:31,926 INFO L550 ElimStorePlain]: Start of recursive call 6: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:31,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:31,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:31,956 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:31,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 04:54:31,973 INFO L550 ElimStorePlain]: Start of recursive call 8: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:32,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:32,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:32,014 INFO L550 ElimStorePlain]: Start of recursive call 9: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:32,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 04:54:32,032 INFO L550 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:32,054 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:32,054 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:32,059 INFO L550 ElimStorePlain]: Start of recursive call 11: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:32,090 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:32,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:32,097 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:32,183 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:32,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 111 [2021-06-06 04:54:33,033 INFO L550 ElimStorePlain]: Start of recursive call 13: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 04:54:33,053 INFO L550 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 04:54:33,072 INFO L550 ElimStorePlain]: Start of recursive call 15: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:33,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:33,109 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 04:54:33,135 INFO L550 ElimStorePlain]: Start of recursive call 17: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,171 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:33,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:33,179 INFO L550 ElimStorePlain]: Start of recursive call 18: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,213 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:33,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:33,220 INFO L550 ElimStorePlain]: Start of recursive call 19: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,260 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:33,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:33,268 INFO L550 ElimStorePlain]: Start of recursive call 20: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-06-06 04:54:33,295 INFO L550 ElimStorePlain]: Start of recursive call 21: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:33,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:33,339 INFO L550 ElimStorePlain]: Start of recursive call 22: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,373 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:33,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-06-06 04:54:33,381 INFO L550 ElimStorePlain]: Start of recursive call 23: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-06-06 04:54:33,875 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2021-06-06 04:54:33,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:34,021 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-06-06 04:54:34,022 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:34,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 261 [2021-06-06 04:54:34,523 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 189 [2021-06-06 04:54:34,992 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 246 [2021-06-06 04:54:35,097 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 171 [2021-06-06 04:54:36,122 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 255 [2021-06-06 04:54:36,316 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 255 [2021-06-06 04:54:36,708 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 356 [2021-06-06 04:54:37,046 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 388 [2021-06-06 04:54:37,172 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 264 [2021-06-06 04:54:37,849 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 276 [2021-06-06 04:54:37,993 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 297 [2021-06-06 04:54:38,810 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 432 [2021-06-06 04:54:39,049 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 432 [2021-06-06 04:54:39,311 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 410 [2021-06-06 04:54:39,667 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 565 [2021-06-06 04:54:40,257 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 303 [2021-06-06 04:54:41,284 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 04:54:41,315 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-06 04:54:41,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:54:41,317 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 04:54:41,453 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-06 04:54:41,454 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:54:41,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 269 [2021-06-06 04:54:41,776 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 204 [2021-06-06 04:54:42,289 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 290 [2021-06-06 04:54:42,799 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 241 [2021-06-06 04:54:43,324 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 396 [2021-06-06 04:54:44,436 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 601 DAG size of output: 659 [2021-06-06 04:54:45,557 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 601 DAG size of output: 659 [2021-06-06 04:54:46,870 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 616 DAG size of output: 674 [2021-06-06 04:54:49,306 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 673 DAG size of output: 1272 [2021-06-06 04:54:50,319 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 286 [2021-06-06 04:54:50,465 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 215 [2021-06-06 04:54:51,482 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 349 [2021-06-06 04:54:52,392 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 404 [2021-06-06 04:54:52,563 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 253 [2021-06-06 04:54:53,627 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 324 [2021-06-06 04:54:53,883 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 313 [2021-06-06 04:54:54,512 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 329 [2021-06-06 04:54:55,157 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 168 [2021-06-06 04:54:55,462 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 465 [2021-06-06 04:54:56,185 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 887 [2021-06-06 04:54:56,894 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 544 [2021-06-06 04:54:57,975 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 325 [2021-06-06 04:54:59,630 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 202 [2021-06-06 04:54:59,973 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 511 [2021-06-06 04:55:00,521 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 229 [2021-06-06 04:55:01,025 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 249 [2021-06-06 04:55:02,756 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 309 [2021-06-06 04:55:03,155 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 520 [2021-06-06 04:55:04,111 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 1242 DAG size of output: 1040 [2021-06-06 04:55:04,516 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 407 [2021-06-06 04:55:04,973 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 380 [2021-06-06 04:55:05,693 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 299 [2021-06-06 04:55:06,527 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 246 [2021-06-06 04:55:06,910 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 367 [2021-06-06 04:55:07,935 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 281 [2021-06-06 04:55:09,197 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 336 [2021-06-06 04:55:09,612 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 557 [2021-06-06 04:55:10,326 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 687 [2021-06-06 04:55:13,313 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 2259 DAG size of output: 1863 [2021-06-06 04:55:14,125 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 561 [2021-06-06 04:55:15,643 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 222 [2021-06-06 04:55:16,103 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 357 [2021-06-06 04:55:17,245 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 407 [2021-06-06 04:55:18,071 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 757 [2021-06-06 04:55:18,285 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 350 [2021-06-06 04:55:19,110 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 448 [2021-06-06 04:55:20,876 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-06-06 04:55:21,551 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 777 [2021-06-06 04:55:21,956 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 409 [2021-06-06 04:55:22,336 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 369 [2021-06-06 04:55:23,176 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 243 [2021-06-06 04:55:23,668 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 359 [2021-06-06 04:55:23,874 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 374 [2021-06-06 04:55:24,801 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 759 DAG size of output: 542 [2021-06-06 04:55:25,233 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 215 [2021-06-06 04:55:26,431 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 251 [2021-06-06 04:55:27,034 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 673 [2021-06-06 04:55:27,733 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 543 [2021-06-06 04:55:29,569 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 271 [2021-06-06 04:55:30,146 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 312 [2021-06-06 04:55:30,432 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 512 [2021-06-06 04:55:31,477 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 252 [2021-06-06 04:55:31,655 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 296 [2021-06-06 04:55:32,433 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 225 [2021-06-06 04:55:33,179 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 505 [2021-06-06 04:55:33,997 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 942 [2021-06-06 04:55:36,633 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 2153 DAG size of output: 1715 [2021-06-06 04:55:44,164 WARN L205 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 3574 DAG size of output: 3129 [2021-06-06 04:55:51,601 WARN L205 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 3574 DAG size of output: 3129 [2021-06-06 04:55:59,174 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 3582 DAG size of output: 3138 [2021-06-06 04:55:59,605 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 1724 DAG size of output: 1724 [2021-06-06 04:55:59,768 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 781 [2021-06-06 04:56:00,080 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 335 [2021-06-06 04:56:00,190 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 287 [2021-06-06 04:56:00,957 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 264 [2021-06-06 04:56:01,709 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 315 [2021-06-06 04:56:02,018 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 466 [2021-06-06 04:56:03,288 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 253 [2021-06-06 04:56:04,018 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 404 [2021-06-06 04:56:04,836 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 717 [2021-06-06 04:56:05,608 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 187 [2021-06-06 04:56:06,841 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 283 [2021-06-06 04:56:07,589 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 288 [2021-06-06 04:56:08,151 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 235 [2021-06-06 04:56:08,421 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 387 [2021-06-06 04:56:08,739 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 430 [2021-06-06 04:56:09,547 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 1084 DAG size of output: 863 [2021-06-06 04:56:09,706 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 288 [2021-06-06 04:56:10,145 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 279 [2021-06-06 04:56:10,822 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 429 [2021-06-06 04:56:11,009 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 298 [2021-06-06 04:56:13,170 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 2243 DAG size of output: 1709 [2021-06-06 04:56:13,284 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 551 [2021-06-06 04:56:14,680 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 294 [2021-06-06 04:56:15,815 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 526 [2021-06-06 04:56:16,541 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 283 [2021-06-06 04:56:17,470 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 561 [2021-06-06 04:56:17,697 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 329 [2021-06-06 04:56:17,916 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 311 [2021-06-06 04:56:18,866 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 253 [2021-06-06 04:56:19,179 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 418 [2021-06-06 04:56:19,847 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 231 [2021-06-06 04:56:20,338 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 291 [2021-06-06 04:56:20,797 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 811 DAG size of output: 514 [2021-06-06 04:56:22,414 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1921 DAG size of output: 1448 [2021-06-06 04:56:24,391 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 289 [2021-06-06 04:56:25,344 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 636 [2021-06-06 04:56:31,500 WARN L205 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 5086 DAG size of output: 3903 [2021-06-06 04:56:31,662 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 620 DAG size of output: 620 [2021-06-06 04:56:31,941 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 388 [2021-06-06 04:56:32,785 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 269 [2021-06-06 04:56:33,880 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 461 [2021-06-06 04:56:35,573 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 290 [2021-06-06 04:56:35,808 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 456 [2021-06-06 04:56:36,494 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 1012 DAG size of output: 752 [2021-06-06 04:56:38,454 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 289 [2021-06-06 04:56:38,708 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 388 [2021-06-06 04:56:39,062 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 351 [2021-06-06 04:56:39,788 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-06-06 04:56:40,795 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 310 [2021-06-06 04:56:41,645 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 647 [2021-06-06 04:56:43,078 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 2211 DAG size of output: 1366 [2021-06-06 04:56:43,263 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 1706 [2021-06-06 04:56:43,427 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 274 [2021-06-06 04:56:44,488 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 272 [2021-06-06 04:56:44,598 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 507 [2021-06-06 04:56:45,045 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 190 [2021-06-06 04:56:45,169 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 327 [2021-06-06 04:56:45,683 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 264 [2021-06-06 04:56:46,575 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 274 [2021-06-06 04:56:47,647 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 489 [2021-06-06 04:56:48,436 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 713 [2021-06-06 04:56:48,666 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 984 DAG size of output: 984 [2021-06-06 04:56:49,722 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 333 [2021-06-06 04:56:50,424 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 417 [2021-06-06 04:56:50,727 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 461 [2021-06-06 04:56:50,965 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 408 [2021-06-06 04:56:52,248 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 271 [2021-06-06 04:56:52,784 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 341 [2021-06-06 04:56:53,207 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 476 [2021-06-06 04:56:53,648 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 247 [2021-06-06 04:56:55,311 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 299 [2021-06-06 04:56:56,576 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1369 DAG size of output: 992 [2021-06-06 04:56:56,734 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 277 [2021-06-06 04:56:57,529 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 290 [2021-06-06 04:56:58,167 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 272 [2021-06-06 04:56:58,620 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 446 [2021-06-06 04:57:00,953 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 2196 DAG size of output: 1662 [2021-06-06 04:57:05,211 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 3722 DAG size of output: 2383 [2021-06-06 04:57:19,818 WARN L205 SmtUtils]: Spent 14.59 s on a formula simplification. DAG size of input: 9594 DAG size of output: 6646 [2021-06-06 04:57:34,441 WARN L205 SmtUtils]: Spent 14.58 s on a formula simplification. DAG size of input: 9594 DAG size of output: 6646 [2021-06-06 04:57:50,101 WARN L205 SmtUtils]: Spent 15.63 s on a formula simplification. DAG size of input: 9597 DAG size of output: 6638 [2021-06-06 04:58:15,456 WARN L205 SmtUtils]: Spent 25.30 s on a formula simplification. DAG size of input: 6642 DAG size of output: 10830 [2021-06-06 04:58:31,711 WARN L205 SmtUtils]: Spent 16.21 s on a formula simplification. DAG size of input: 5293 DAG size of output: 8763 [2021-06-06 04:58:33,306 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 542 [2021-06-06 04:58:34,876 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 341 [2021-06-06 04:58:35,207 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 505 [2021-06-06 04:58:36,784 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 254 [2021-06-06 04:58:38,077 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1210 DAG size of output: 1623 [2021-06-06 04:58:38,238 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 849 [2021-06-06 04:58:39,728 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 247 [2021-06-06 04:58:42,301 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2021-06-06 04:58:42,559 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 324 [2021-06-06 04:58:44,132 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1428 DAG size of output: 1875 [2021-06-06 04:58:46,020 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 347 [2021-06-06 04:58:46,541 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 361 [2021-06-06 04:58:47,001 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 409 [2021-06-06 04:58:47,635 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 294 [2021-06-06 04:58:48,087 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 390 [2021-06-06 04:58:48,968 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 548 [2021-06-06 04:58:51,022 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 2513 DAG size of output: 213 [2021-06-06 04:58:52,266 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 5152 DAG size of output: 5152 [2021-06-06 04:58:53,045 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 341 [2021-06-06 04:58:56,173 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 1792 DAG size of output: 2517 [2021-06-06 04:58:56,427 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 1311 DAG size of output: 1311 [2021-06-06 04:58:56,572 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 897 DAG size of output: 897 [2021-06-06 04:58:56,902 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 603 [2021-06-06 04:58:58,255 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 1793 DAG size of output: 1793 [2021-06-06 04:58:58,758 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 748 [2021-06-06 04:59:00,887 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 299 [2021-06-06 04:59:01,864 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 2995 DAG size of output: 2996 [2021-06-06 04:59:02,510 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 816 [2021-06-06 04:59:02,962 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 811 [2021-06-06 04:59:03,493 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 764 [2021-06-06 04:59:03,672 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 231 [2021-06-06 04:59:04,115 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 310 [2021-06-06 04:59:04,314 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 445 [2021-06-06 04:59:05,607 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 542 [2021-06-06 04:59:05,825 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 277 [2021-06-06 04:59:06,369 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 347 [2021-06-06 04:59:06,781 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 591 [2021-06-06 04:59:07,207 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 519 [2021-06-06 04:59:07,895 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 277 [2021-06-06 04:59:08,691 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 1692 DAG size of output: 817 [2021-06-06 04:59:09,291 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 298 [2021-06-06 04:59:10,001 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 271 [2021-06-06 04:59:11,294 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 2208 DAG size of output: 1051 [2021-06-06 04:59:12,857 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 427 [2021-06-06 04:59:13,098 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 301 [2021-06-06 04:59:13,564 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 501 [2021-06-06 04:59:14,613 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 266 [2021-06-06 04:59:14,949 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 265 [2021-06-06 04:59:15,243 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 3482 DAG size of output: 164 [2021-06-06 04:59:16,698 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 381 [2021-06-06 04:59:17,840 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 247 [2021-06-06 04:59:18,532 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 338 [2021-06-06 04:59:18,995 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 6393 DAG size of output: 321 [2021-06-06 04:59:21,011 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 10599 DAG size of output: 1722 [2021-06-06 04:59:23,042 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 10599 DAG size of output: 1722 [2021-06-06 04:59:27,489 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 10606 DAG size of output: 2058 [2021-06-06 04:59:27,923 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 311 [2021-06-06 04:59:29,498 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:29,614 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:59:29,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 237 [2021-06-06 04:59:30,692 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 325 [2021-06-06 04:59:30,817 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 325 [2021-06-06 04:59:30,961 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 328 [2021-06-06 04:59:31,168 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 433 [2021-06-06 04:59:31,313 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 387 [2021-06-06 04:59:32,124 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 259 [2021-06-06 04:59:32,241 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 259 [2021-06-06 04:59:32,594 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 412 [2021-06-06 04:59:32,933 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 410 [2021-06-06 04:59:33,401 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:33,429 INFO L354 Elim1Store]: treesize reduction 228, result has 0.4 percent of original size [2021-06-06 04:59:33,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:33,431 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:33,461 INFO L354 Elim1Store]: treesize reduction 244, result has 0.4 percent of original size [2021-06-06 04:59:33,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:33,464 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:33,490 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 04:59:33,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:33,492 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:33,520 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-06 04:59:33,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:33,522 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:33,548 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-06-06 04:59:33,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:33,552 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:33,688 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-06 04:59:33,688 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:59:33,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 253 [2021-06-06 04:59:34,129 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 256 [2021-06-06 04:59:35,966 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 335 [2021-06-06 04:59:36,431 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 861 DAG size of output: 556 [2021-06-06 04:59:36,783 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 861 DAG size of output: 556 [2021-06-06 04:59:37,169 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 561 [2021-06-06 04:59:38,666 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 421 [2021-06-06 04:59:38,881 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 421 [2021-06-06 04:59:39,136 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 411 [2021-06-06 04:59:39,519 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 574 [2021-06-06 04:59:39,880 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 400 [2021-06-06 04:59:40,638 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:40,665 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 04:59:40,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:40,667 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:40,790 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-06 04:59:40,790 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:59:40,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 217 [2021-06-06 04:59:42,017 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 267 [2021-06-06 04:59:42,267 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:42,292 INFO L354 Elim1Store]: treesize reduction 244, result has 0.4 percent of original size [2021-06-06 04:59:42,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:42,295 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:42,318 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 04:59:42,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:42,320 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:42,339 INFO L354 Elim1Store]: treesize reduction 228, result has 0.4 percent of original size [2021-06-06 04:59:42,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:42,341 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:42,392 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-06-06 04:59:42,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:42,395 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:42,580 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-06-06 04:59:42,581 INFO L354 Elim1Store]: treesize reduction 24, result has 87.6 percent of original size [2021-06-06 04:59:42,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 193 [2021-06-06 04:59:43,739 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:43,759 INFO L354 Elim1Store]: treesize reduction 236, result has 0.4 percent of original size [2021-06-06 04:59:43,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:43,761 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:43,779 INFO L354 Elim1Store]: treesize reduction 228, result has 0.4 percent of original size [2021-06-06 04:59:43,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:43,782 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:43,799 INFO L354 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2021-06-06 04:59:43,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 25 [2021-06-06 04:59:43,801 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 04:59:44,011 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-06-06 04:59:44,012 INFO L354 Elim1Store]: treesize reduction 4, result has 98.4 percent of original size [2021-06-06 04:59:44,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 269 [2021-06-06 04:59:44,373 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 184 [2021-06-06 04:59:44,746 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 222 [2021-06-06 04:59:45,303 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 253 [2021-06-06 04:59:45,660 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 341 [2021-06-06 04:59:45,866 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 213 [2021-06-06 04:59:46,643 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 511 [2021-06-06 04:59:47,930 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 455 DAG size of output: 659 [2021-06-06 04:59:48,261 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 202 [2021-06-06 04:59:48,911 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 247 [2021-06-06 04:59:49,595 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 361 [2021-06-06 04:59:49,998 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2021-06-06 04:59:50,887 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 501 [2021-06-06 04:59:54,471 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 818 DAG size of output: 1126 [2021-06-06 04:59:58,138 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 818 DAG size of output: 1126 [2021-06-06 05:00:02,241 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 830 DAG size of output: 1138 [2021-06-06 05:00:02,965 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 1143 [2021-06-06 05:00:04,167 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 482 DAG size of output: 628 [2021-06-06 05:00:05,233 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 477 DAG size of output: 735 [2021-06-06 05:00:05,476 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 279 [2021-06-06 05:00:05,625 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 213 [2021-06-06 05:00:06,454 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 333 [2021-06-06 05:00:06,973 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 232 [2021-06-06 05:00:07,305 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 208 [2021-06-06 05:00:07,648 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 341 [2021-06-06 05:00:08,323 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2021-06-06 05:00:08,790 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 282 [2021-06-06 05:00:09,383 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 216 [2021-06-06 05:00:10,074 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 203 [2021-06-06 05:00:11,117 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 556 DAG size of output: 490 [2021-06-06 05:00:11,648 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 211 [2021-06-06 05:00:12,128 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 184 [2021-06-06 05:00:12,601 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 279 [2021-06-06 05:00:13,311 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 201 [2021-06-06 05:00:14,029 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 488 [2021-06-06 05:00:16,291 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 897 DAG size of output: 809 [2021-06-06 05:00:19,367 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 1287 DAG size of output: 1182 [2021-06-06 05:00:19,545 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 256 [2021-06-06 05:00:20,248 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 208 [2021-06-06 05:00:21,158 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 234 [2021-06-06 05:00:21,534 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 364 [2021-06-06 05:00:22,237 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 462 [2021-06-06 05:00:23,533 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 652 DAG size of output: 582 [2021-06-06 05:00:28,481 WARN L205 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 1903 DAG size of output: 1563 [2021-06-06 05:00:34,643 WARN L205 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 2210 DAG size of output: 1781 [2021-06-06 05:00:34,849 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 236 [2021-06-06 05:00:34,996 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 238 [2021-06-06 05:00:35,120 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 232 [2021-06-06 05:00:35,785 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 241 [2021-06-06 05:00:35,933 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 188 [2021-06-06 05:00:36,494 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 333 [2021-06-06 05:00:37,321 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 444 [2021-06-06 05:00:38,309 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 488 [2021-06-06 05:00:38,442 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 290 [2021-06-06 05:00:39,753 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 251 [2021-06-06 05:00:40,183 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 456 [2021-06-06 05:00:40,831 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 551 [2021-06-06 05:00:41,350 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 505 [2021-06-06 05:00:41,901 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 461 [2021-06-06 05:00:42,390 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 384 [2021-06-06 05:00:43,344 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 256 [2021-06-06 05:00:44,454 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 559 DAG size of output: 486 [2021-06-06 05:00:46,211 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 775 DAG size of output: 653 [2021-06-06 05:00:49,733 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1269 [2021-06-06 05:01:00,521 WARN L205 SmtUtils]: Spent 10.78 s on a formula simplification. DAG size of input: 2920 DAG size of output: 2493 [2021-06-06 05:01:01,383 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 264 [2021-06-06 05:01:01,958 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 171 [2021-06-06 05:01:02,464 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2021-06-06 05:01:03,091 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2021-06-06 05:01:03,884 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 386 [2021-06-06 05:01:04,757 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 225 [2021-06-06 05:01:05,564 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 232 [2021-06-06 05:01:05,974 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 409 [2021-06-06 05:01:06,569 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-06-06 05:01:07,020 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 236 [2021-06-06 05:01:07,431 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 363 [2021-06-06 05:01:08,529 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 671 DAG size of output: 631 [2021-06-06 05:01:11,119 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1059 DAG size of output: 950 [2021-06-06 05:01:12,218 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 205 [2021-06-06 05:01:12,531 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 339 [2021-06-06 05:01:13,717 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 494 [2021-06-06 05:01:14,165 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 175 [2021-06-06 05:01:14,703 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 262 [2021-06-06 05:01:15,294 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 202 [2021-06-06 05:01:15,750 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 346 [2021-06-06 05:01:16,244 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 196 [2021-06-06 05:01:17,654 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 223 [2021-06-06 05:01:18,101 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-06-06 05:01:19,105 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 522 DAG size of output: 543 [2021-06-06 05:01:21,869 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 955 DAG size of output: 899 [2021-06-06 05:01:22,253 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 443 [2021-06-06 05:01:22,491 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 414 [2021-06-06 05:01:23,578 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2021-06-06 05:01:24,462 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 314 [2021-06-06 05:01:25,607 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 567 DAG size of output: 486 [2021-06-06 05:01:26,383 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-06-06 05:01:26,759 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 357 [2021-06-06 05:01:27,421 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 179 [2021-06-06 05:01:27,922 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 267 [2021-06-06 05:01:28,597 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 321 [2021-06-06 05:01:29,784 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 657 DAG size of output: 632 [2021-06-06 05:01:32,636 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 1028 DAG size of output: 939 [2021-06-06 05:01:39,230 WARN L205 SmtUtils]: Spent 6.59 s on a formula simplification. DAG size of input: 1751 DAG size of output: 1638 [2021-06-06 05:01:39,433 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 336 [2021-06-06 05:01:39,656 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 350 [2021-06-06 05:01:40,479 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 206 [2021-06-06 05:01:41,313 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-06 05:01:41,758 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 401 [2021-06-06 05:01:42,584 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 206 [2021-06-06 05:01:43,412 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-06 05:01:43,812 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 399 [2021-06-06 05:01:44,874 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 593 DAG size of output: 560 [2021-06-06 05:01:45,855 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 229 [2021-06-06 05:01:46,371 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 338 [2021-06-06 05:01:46,946 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 273 [2021-06-06 05:01:47,690 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 251 [2021-06-06 05:01:48,141 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 411 [2021-06-06 05:01:49,250 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 699 DAG size of output: 672 [2021-06-06 05:01:52,056 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 919 DAG size of output: 917 [2021-06-06 05:02:05,313 WARN L205 SmtUtils]: Spent 13.25 s on a formula simplification. DAG size of input: 2798 DAG size of output: 2616 [2021-06-06 05:02:05,880 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 357 [2021-06-06 05:02:06,203 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 294 [2021-06-06 05:02:06,739 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 269 [2021-06-06 05:02:06,989 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2021-06-06 05:02:07,354 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 375 [2021-06-06 05:02:07,498 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 192 [2021-06-06 05:02:07,641 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 213 [2021-06-06 05:02:08,575 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 284 [2021-06-06 05:02:08,974 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 444 [2021-06-06 05:02:10,158 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 736 DAG size of output: 677 [2021-06-06 05:02:10,940 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 191 [2021-06-06 05:02:11,727 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 345 [2021-06-06 05:02:12,258 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 329 [2021-06-06 05:02:12,838 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 573 [2021-06-06 05:02:14,957 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1156 DAG size of output: 1078 [2021-06-06 05:02:15,521 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 384 [2021-06-06 05:02:15,895 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 266 [2021-06-06 05:02:17,087 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 312 [2021-06-06 05:02:17,352 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 372 [2021-06-06 05:02:18,114 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 310 [2021-06-06 05:02:18,941 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 387 [2021-06-06 05:02:19,868 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 546 [2021-06-06 05:02:20,654 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 395 [2021-06-06 05:02:21,499 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 361 [2021-06-06 05:02:22,039 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 346 [2021-06-06 05:02:22,596 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 608 [2021-06-06 05:02:22,930 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 158 [2021-06-06 05:02:24,420 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 750 DAG size of output: 745 [2021-06-06 05:02:27,659 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1165 [2021-06-06 05:02:33,892 WARN L205 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1809 [2021-06-06 05:02:35,049 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 519 DAG size of output: 688 [2021-06-06 05:02:36,740 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 516 DAG size of output: 892 [2021-06-06 05:02:37,817 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 497 DAG size of output: 737 [2021-06-06 05:02:38,794 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 574 [2021-06-06 05:02:39,661 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 258 [2021-06-06 05:02:41,052 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 440 [2021-06-06 05:02:42,874 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 862 DAG size of output: 806 [2021-06-06 05:02:43,948 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 513 DAG size of output: 761 [2021-06-06 05:02:44,766 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 208 [2021-06-06 05:02:45,406 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 248 [2021-06-06 05:02:45,815 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 373 [2021-06-06 05:02:46,535 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 479 [2021-06-06 05:02:48,052 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 279 [2021-06-06 05:02:49,675 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 286 [2021-06-06 05:02:50,434 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 501 [2021-06-06 05:02:52,007 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 760 [2021-06-06 05:02:54,356 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1067 [2021-06-06 05:02:58,900 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 1801 DAG size of output: 1435 [2021-06-06 05:03:06,664 WARN L205 SmtUtils]: Spent 7.76 s on a formula simplification. DAG size of input: 2476 DAG size of output: 2016 [2021-06-06 05:03:06,956 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 284 [2021-06-06 05:03:07,765 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 201 [2021-06-06 05:03:08,184 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202 [2021-06-06 05:03:08,498 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 332 [2021-06-06 05:03:09,153 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 162 [2021-06-06 05:03:09,450 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 211 [2021-06-06 05:03:10,510 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 501 [2021-06-06 05:03:11,653 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 708 DAG size of output: 681 [2021-06-06 05:03:11,807 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 265 [2021-06-06 05:03:11,928 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 246 [2021-06-06 05:03:12,384 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 188 [2021-06-06 05:03:12,608 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 248 [2021-06-06 05:03:12,729 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 199 [2021-06-06 05:03:13,313 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 345 [2021-06-06 05:03:14,072 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 461 [2021-06-06 05:03:16,278 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1084 DAG size of output: 982 [2021-06-06 05:03:16,474 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 302 [2021-06-06 05:03:16,631 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 278 [2021-06-06 05:03:17,659 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 372 [2021-06-06 05:03:18,471 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2021-06-06 05:03:19,266 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 471 [2021-06-06 05:03:20,284 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 653 DAG size of output: 664 [2021-06-06 05:03:21,168 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 623 [2021-06-06 05:03:21,627 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 488 [2021-06-06 05:03:22,940 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 247 [2021-06-06 05:03:24,234 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 253 [2021-06-06 05:03:24,853 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 421 [2021-06-06 05:03:25,878 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 570 [2021-06-06 05:03:28,018 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 957 DAG size of output: 814 [2021-06-06 05:03:28,541 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 512 [2021-06-06 05:03:30,001 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 274 [2021-06-06 05:03:31,474 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 280 [2021-06-06 05:03:32,185 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 485 [2021-06-06 05:03:33,657 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 897 DAG size of output: 738 [2021-06-06 05:03:36,154 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1166 DAG size of output: 985 [2021-06-06 05:03:41,802 WARN L205 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 1695 DAG size of output: 1418 [2021-06-06 05:03:50,140 WARN L205 SmtUtils]: Spent 8.33 s on a formula simplification. DAG size of input: 2809 DAG size of output: 2327 [2021-06-06 05:04:08,403 WARN L205 SmtUtils]: Spent 18.25 s on a formula simplification. DAG size of input: 3806 DAG size of output: 3180 [2021-06-06 05:04:08,684 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 201 [2021-06-06 05:04:09,054 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 269 [2021-06-06 05:04:09,363 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 203 [2021-06-06 05:04:09,604 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 197 [2021-06-06 05:04:09,878 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 300 [2021-06-06 05:04:10,697 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 552 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown