/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 06:00:39,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 06:00:39,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 06:00:39,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 06:00:39,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 06:00:39,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 06:00:39,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 06:00:39,761 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-FA-NoLbe.epf [2021-06-05 06:00:39,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 06:00:39,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 06:00:39,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 06:00:39,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 06:00:39,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 06:00:39,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 06:00:39,799 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 06:00:39,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 06:00:39,799 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 06:00:39,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 06:00:39,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 06:00:39,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 06:00:39,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 06:00:39,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 06:00:39,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 06:00:39,801 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 06:00:39,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 06:00:39,801 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 06:00:39,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 06:00:39,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 06:00:39,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 06:00:39,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 06:00:39,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 06:00:39,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 06:00:39,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 06:00:39,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 06:00:39,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 06:00:39,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 06:00:39,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 06:00:39,803 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 06:00:39,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 06:00:39,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 06:00:40,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 06:00:40,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 06:00:40,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 06:00:40,153 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-05 06:00:40,156 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-05 06:00:40,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2021-06-05 06:00:40,157 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2021-06-05 06:00:40,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 06:00:40,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-05 06:00:40,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 06:00:40,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 06:00:40,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 06:00:40,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 06:00:40,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 06:00:40,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 06:00:40,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 06:00:40,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/1) ... [2021-06-05 06:00:40,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 06:00:40,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 06:00:40,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 06:00:40,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 06:00:40,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (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 [2021-06-05 06:00:40,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-05 06:00:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-05 06:00:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-05 06:00:40,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-05 06:00:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-05 06:00:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-05 06:00:40,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-05 06:00:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 06:00:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 06:00:40,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-05 06:00:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-05 06:00:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-05 06:00:40,837 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 06:00:41,069 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 06:00:41,069 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-05 06:00:41,071 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 06:00:41 BoogieIcfgContainer [2021-06-05 06:00:41,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 06:00:41,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 06:00:41,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 06:00:41,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 06:00:41,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 06:00:40" (1/2) ... [2021-06-05 06:00:41,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e825c01 and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 06:00:41, skipping insertion in model container [2021-06-05 06:00:41,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 06:00:41" (2/2) ... [2021-06-05 06:00:41,078 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2021-06-05 06:00:41,082 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 06:00:41,083 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 06:00:41,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 06:00:41,084 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 06:00:41,169 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-05 06:00:41,201 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 06:00:41,231 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 06:00:41,231 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 06:00:41,231 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 06:00:41,231 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 06:00:41,231 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 06:00:41,231 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 06:00:41,232 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 06:00:41,232 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 06:00:41,239 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 32 transitions, 88 flow [2021-06-05 06:00:41,270 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 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) [2021-06-05 06:00:41,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 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) [2021-06-05 06:00:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-06-05 06:00:41,286 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:41,287 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:41,287 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:41,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:41,297 INFO L82 PathProgramCache]: Analyzing trace with hash 567574338, now seen corresponding path program 1 times [2021-06-05 06:00:41,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:41,304 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340619786] [2021-06-05 06:00:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:41,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:41,526 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:41,526 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340619786] [2021-06-05 06:00:41,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340619786] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 06:00:41,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 06:00:41,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 06:00:41,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727152463] [2021-06-05 06:00:41,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 06:00:41,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:41,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 06:00:41,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-05 06:00:41,550 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 2.970149253731343) internal successors, (398), 135 states have internal predecessors, (398), 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) Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:41,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:41,647 INFO L93 Difference]: Finished difference Result 474 states and 1450 transitions. [2021-06-05 06:00:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 06:00:41,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-06-05 06:00:41,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:41,674 INFO L225 Difference]: With dead ends: 474 [2021-06-05 06:00:41,674 INFO L226 Difference]: Without dead ends: 388 [2021-06-05 06:00:41,675 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 47.5ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-05 06:00:41,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-06-05 06:00:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 176. [2021-06-05 06:00:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 3.0914285714285716) internal successors, (541), 175 states have internal predecessors, (541), 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) [2021-06-05 06:00:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 541 transitions. [2021-06-05 06:00:41,742 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 541 transitions. Word has length 19 [2021-06-05 06:00:41,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:41,742 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 541 transitions. [2021-06-05 06:00:41,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 541 transitions. [2021-06-05 06:00:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 06:00:41,745 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:41,745 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:41,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 06:00:41,745 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:41,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:41,746 INFO L82 PathProgramCache]: Analyzing trace with hash -140933138, now seen corresponding path program 1 times [2021-06-05 06:00:41,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:41,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639969862] [2021-06-05 06:00:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:41,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:41,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639969862] [2021-06-05 06:00:41,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639969862] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 06:00:41,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 06:00:41,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 06:00:41,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455538466] [2021-06-05 06:00:41,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 06:00:41,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:41,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 06:00:41,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 06:00:41,823 INFO L87 Difference]: Start difference. First operand 176 states and 541 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:41,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:41,900 INFO L93 Difference]: Finished difference Result 346 states and 1050 transitions. [2021-06-05 06:00:41,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 06:00:41,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 06:00:41,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:41,906 INFO L225 Difference]: With dead ends: 346 [2021-06-05 06:00:41,906 INFO L226 Difference]: Without dead ends: 323 [2021-06-05 06:00:41,907 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 06:00:41,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-06-05 06:00:41,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 253. [2021-06-05 06:00:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 3.142857142857143) internal successors, (792), 252 states have internal predecessors, (792), 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) [2021-06-05 06:00:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 792 transitions. [2021-06-05 06:00:41,941 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 792 transitions. Word has length 22 [2021-06-05 06:00:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:41,941 INFO L482 AbstractCegarLoop]: Abstraction has 253 states and 792 transitions. [2021-06-05 06:00:41,941 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 792 transitions. [2021-06-05 06:00:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 06:00:41,943 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:41,944 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:41,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 06:00:41,944 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:41,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:41,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1960572944, now seen corresponding path program 2 times [2021-06-05 06:00:41,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:41,948 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076983960] [2021-06-05 06:00:41,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:41,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:41,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076983960] [2021-06-05 06:00:41,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076983960] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 06:00:41,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 06:00:41,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 06:00:41,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35628125] [2021-06-05 06:00:41,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 06:00:41,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:41,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 06:00:41,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 06:00:41,993 INFO L87 Difference]: Start difference. First operand 253 states and 792 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:42,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:42,062 INFO L93 Difference]: Finished difference Result 495 states and 1542 transitions. [2021-06-05 06:00:42,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 06:00:42,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 06:00:42,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:42,067 INFO L225 Difference]: With dead ends: 495 [2021-06-05 06:00:42,071 INFO L226 Difference]: Without dead ends: 472 [2021-06-05 06:00:42,072 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 06:00:42,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-06-05 06:00:42,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 304. [2021-06-05 06:00:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 3.283828382838284) internal successors, (995), 303 states have internal predecessors, (995), 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) [2021-06-05 06:00:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 995 transitions. [2021-06-05 06:00:42,104 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 995 transitions. Word has length 22 [2021-06-05 06:00:42,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:42,104 INFO L482 AbstractCegarLoop]: Abstraction has 304 states and 995 transitions. [2021-06-05 06:00:42,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 995 transitions. [2021-06-05 06:00:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 06:00:42,111 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:42,112 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:42,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 06:00:42,112 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:42,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:42,112 INFO L82 PathProgramCache]: Analyzing trace with hash -515537296, now seen corresponding path program 3 times [2021-06-05 06:00:42,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:42,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2853871] [2021-06-05 06:00:42,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:42,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:42,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2853871] [2021-06-05 06:00:42,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2853871] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 06:00:42,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 06:00:42,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 06:00:42,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518125687] [2021-06-05 06:00:42,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 06:00:42,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:42,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 06:00:42,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 06:00:42,158 INFO L87 Difference]: Start difference. First operand 304 states and 995 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:42,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:42,209 INFO L93 Difference]: Finished difference Result 348 states and 1103 transitions. [2021-06-05 06:00:42,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 06:00:42,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 06:00:42,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:42,212 INFO L225 Difference]: With dead ends: 348 [2021-06-05 06:00:42,212 INFO L226 Difference]: Without dead ends: 348 [2021-06-05 06:00:42,212 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 06:00:42,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-06-05 06:00:42,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 296. [2021-06-05 06:00:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 295 states have (on average 3.169491525423729) internal successors, (935), 295 states have internal predecessors, (935), 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) [2021-06-05 06:00:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 935 transitions. [2021-06-05 06:00:42,223 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 935 transitions. Word has length 22 [2021-06-05 06:00:42,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:42,223 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 935 transitions. [2021-06-05 06:00:42,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 935 transitions. [2021-06-05 06:00:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 06:00:42,225 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:42,225 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:42,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 06:00:42,226 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:42,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash 988591096, now seen corresponding path program 1 times [2021-06-05 06:00:42,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:42,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137622197] [2021-06-05 06:00:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:00:42,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:42,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137622197] [2021-06-05 06:00:42,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137622197] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 06:00:42,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 06:00:42,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 06:00:42,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458853441] [2021-06-05 06:00:42,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 06:00:42,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:42,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 06:00:42,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 06:00:42,283 INFO L87 Difference]: Start difference. First operand 296 states and 935 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-06-05 06:00:42,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:42,367 INFO L93 Difference]: Finished difference Result 309 states and 971 transitions. [2021-06-05 06:00:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 06:00:42,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2021-06-05 06:00:42,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:42,370 INFO L225 Difference]: With dead ends: 309 [2021-06-05 06:00:42,370 INFO L226 Difference]: Without dead ends: 309 [2021-06-05 06:00:42,370 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 06:00:42,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-06-05 06:00:42,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 256. [2021-06-05 06:00:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 3.1372549019607843) internal successors, (800), 255 states have internal predecessors, (800), 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) [2021-06-05 06:00:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 800 transitions. [2021-06-05 06:00:42,378 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 800 transitions. Word has length 24 [2021-06-05 06:00:42,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:42,378 INFO L482 AbstractCegarLoop]: Abstraction has 256 states and 800 transitions. [2021-06-05 06:00:42,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-06-05 06:00:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 800 transitions. [2021-06-05 06:00:42,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 06:00:42,380 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:42,380 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:42,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 06:00:42,380 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:42,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:42,381 INFO L82 PathProgramCache]: Analyzing trace with hash -2015295284, now seen corresponding path program 1 times [2021-06-05 06:00:42,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:42,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412945683] [2021-06-05 06:00:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:42,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:42,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412945683] [2021-06-05 06:00:42,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412945683] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:42,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843607768] [2021-06-05 06:00:42,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:42,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 06:00:42,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:43,391 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 34 treesize of output 24 [2021-06-05 06:00:43,403 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:43,409 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 34 treesize of output 24 [2021-06-05 06:00:43,416 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:43,424 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 34 treesize of output 24 [2021-06-05 06:00:43,429 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:43,435 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 34 treesize of output 24 [2021-06-05 06:00:43,441 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:43,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:43,523 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 37 treesize of output 25 [2021-06-05 06:00:43,534 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:43,548 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 30 treesize of output 20 [2021-06-05 06:00:43,559 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:43,571 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 30 treesize of output 20 [2021-06-05 06:00:43,579 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:43,585 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 37 treesize of output 25 [2021-06-05 06:00:43,595 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:43,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:43,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 06:00:43,652 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:43,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 06:00:43,663 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:43,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 06:00:43,671 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:43,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-06-05 06:00:43,682 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:43,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:43,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 06:00:43,745 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:197, output treesize:57 [2021-06-05 06:00:43,859 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 13 treesize of output 9 [2021-06-05 06:00:43,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:43,863 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 7 treesize of output 5 [2021-06-05 06:00:43,865 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:43,871 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-06-05 06:00:43,871 INFO L518 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2021-06-05 06:00:43,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:00:43,872 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-06-05 06:00:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:43,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843607768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:43,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:00:43,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-05 06:00:43,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820902523] [2021-06-05 06:00:43,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 06:00:43,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:43,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 06:00:43,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-06-05 06:00:43,885 INFO L87 Difference]: Start difference. First operand 256 states and 800 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 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) [2021-06-05 06:00:44,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:44,142 INFO L93 Difference]: Finished difference Result 525 states and 1652 transitions. [2021-06-05 06:00:44,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 06:00:44,142 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 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) Word has length 26 [2021-06-05 06:00:44,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:44,145 INFO L225 Difference]: With dead ends: 525 [2021-06-05 06:00:44,145 INFO L226 Difference]: Without dead ends: 482 [2021-06-05 06:00:44,146 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 444.6ms TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-06-05 06:00:44,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-06-05 06:00:44,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 373. [2021-06-05 06:00:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 3.161290322580645) internal successors, (1176), 372 states have internal predecessors, (1176), 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) [2021-06-05 06:00:44,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 1176 transitions. [2021-06-05 06:00:44,157 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 1176 transitions. Word has length 26 [2021-06-05 06:00:44,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:44,157 INFO L482 AbstractCegarLoop]: Abstraction has 373 states and 1176 transitions. [2021-06-05 06:00:44,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 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) [2021-06-05 06:00:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1176 transitions. [2021-06-05 06:00:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 06:00:44,159 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:44,159 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:44,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-05 06:00:44,373 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:44,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:44,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1060994158, now seen corresponding path program 2 times [2021-06-05 06:00:44,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:44,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078390381] [2021-06-05 06:00:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:00:44,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:44,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078390381] [2021-06-05 06:00:44,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078390381] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 06:00:44,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 06:00:44,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 06:00:44,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799128440] [2021-06-05 06:00:44,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 06:00:44,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:44,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 06:00:44,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 06:00:44,398 INFO L87 Difference]: Start difference. First operand 373 states and 1176 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:44,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:44,416 INFO L93 Difference]: Finished difference Result 524 states and 1595 transitions. [2021-06-05 06:00:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 06:00:44,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 06:00:44,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:44,419 INFO L225 Difference]: With dead ends: 524 [2021-06-05 06:00:44,419 INFO L226 Difference]: Without dead ends: 476 [2021-06-05 06:00:44,420 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 06:00:44,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-06-05 06:00:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 403. [2021-06-05 06:00:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 402 states have (on average 3.0970149253731343) internal successors, (1245), 402 states have internal predecessors, (1245), 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) [2021-06-05 06:00:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1245 transitions. [2021-06-05 06:00:44,432 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1245 transitions. Word has length 26 [2021-06-05 06:00:44,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:44,432 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 1245 transitions. [2021-06-05 06:00:44,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1245 transitions. [2021-06-05 06:00:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 06:00:44,434 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:44,434 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:44,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 06:00:44,434 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:44,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:44,434 INFO L82 PathProgramCache]: Analyzing trace with hash -294633458, now seen corresponding path program 3 times [2021-06-05 06:00:44,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:44,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640329335] [2021-06-05 06:00:44,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:44,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:44,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640329335] [2021-06-05 06:00:44,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640329335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:44,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606401239] [2021-06-05 06:00:44,677 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 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 [2021-06-05 06:00:44,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-05 06:00:44,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:00:44,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 06:00:44,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:44,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:00:44,826 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:44,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:44,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:00:44,838 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-05 06:00:44,932 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 33 treesize of output 23 [2021-06-05 06:00:44,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:44,939 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 33 treesize of output 23 [2021-06-05 06:00:44,940 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:44,944 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 33 treesize of output 23 [2021-06-05 06:00:44,946 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:44,949 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 33 treesize of output 23 [2021-06-05 06:00:44,951 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:44,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:45,023 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 35 treesize of output 23 [2021-06-05 06:00:45,026 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:45,031 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 33 treesize of output 21 [2021-06-05 06:00:45,033 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:45,038 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 35 treesize of output 23 [2021-06-05 06:00:45,041 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:45,044 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 33 treesize of output 21 [2021-06-05 06:00:45,047 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:45,075 INFO L628 ElimStorePlain]: treesize reduction 16, result has 67.3 percent of original size [2021-06-05 06:00:45,076 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 06:00:45,077 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:193, output treesize:33 [2021-06-05 06:00:45,162 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 13 treesize of output 9 [2021-06-05 06:00:45,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:45,167 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 7 treesize of output 5 [2021-06-05 06:00:45,168 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:45,175 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-06-05 06:00:45,175 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-06-05 06:00:45,176 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:00:45,176 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-06-05 06:00:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:45,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606401239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:45,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:00:45,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2021-06-05 06:00:45,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524220009] [2021-06-05 06:00:45,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 06:00:45,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:45,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 06:00:45,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-06-05 06:00:45,186 INFO L87 Difference]: Start difference. First operand 403 states and 1245 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 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) [2021-06-05 06:00:45,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:45,494 INFO L93 Difference]: Finished difference Result 886 states and 2671 transitions. [2021-06-05 06:00:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 06:00:45,494 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 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) Word has length 26 [2021-06-05 06:00:45,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:45,499 INFO L225 Difference]: With dead ends: 886 [2021-06-05 06:00:45,499 INFO L226 Difference]: Without dead ends: 768 [2021-06-05 06:00:45,499 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 394.8ms TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2021-06-05 06:00:45,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-06-05 06:00:45,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 427. [2021-06-05 06:00:45,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 3.096244131455399) internal successors, (1319), 426 states have internal predecessors, (1319), 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) [2021-06-05 06:00:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1319 transitions. [2021-06-05 06:00:45,516 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1319 transitions. Word has length 26 [2021-06-05 06:00:45,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:45,517 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 1319 transitions. [2021-06-05 06:00:45,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 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) [2021-06-05 06:00:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1319 transitions. [2021-06-05 06:00:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 06:00:45,518 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:45,518 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:45,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:45,733 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:45,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:45,733 INFO L82 PathProgramCache]: Analyzing trace with hash 108055770, now seen corresponding path program 4 times [2021-06-05 06:00:45,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:45,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654020632] [2021-06-05 06:00:45,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:45,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:45,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654020632] [2021-06-05 06:00:45,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654020632] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:45,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339055961] [2021-06-05 06:00:45,948 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 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 [2021-06-05 06:00:45,990 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 06:00:45,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:00:45,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 06:00:45,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:46,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:00:46,087 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:46,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,099 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-06-05 06:00:46,141 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 28 treesize of output 22 [2021-06-05 06:00:46,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,146 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 [2021-06-05 06:00:46,147 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,183 INFO L628 ElimStorePlain]: treesize reduction 30, result has 61.0 percent of original size [2021-06-05 06:00:46,184 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 06:00:46,184 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:47 [2021-06-05 06:00:46,333 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 22 treesize of output 14 [2021-06-05 06:00:46,336 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,341 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 22 treesize of output 14 [2021-06-05 06:00:46,349 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,355 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 22 treesize of output 14 [2021-06-05 06:00:46,357 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,361 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 22 treesize of output 14 [2021-06-05 06:00:46,366 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,523 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2021-06-05 06:00:46,523 INFO L628 ElimStorePlain]: treesize reduction 40, result has 81.6 percent of original size [2021-06-05 06:00:46,528 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 20 treesize of output 12 [2021-06-05 06:00:46,531 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,534 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 20 treesize of output 12 [2021-06-05 06:00:46,536 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,560 INFO L628 ElimStorePlain]: treesize reduction 142, result has 3.4 percent of original size [2021-06-05 06:00:46,560 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-06-05 06:00:46,560 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-06-05 06:00:46,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:00:46,565 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:273, output treesize:5 [2021-06-05 06:00:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:46,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339055961] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:46,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:00:46,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-06-05 06:00:46,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308009109] [2021-06-05 06:00:46,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 06:00:46,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:46,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 06:00:46,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 06:00:46,580 INFO L87 Difference]: Start difference. First operand 427 states and 1319 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 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) [2021-06-05 06:00:46,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:46,681 INFO L93 Difference]: Finished difference Result 693 states and 2174 transitions. [2021-06-05 06:00:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 06:00:46,682 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 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) Word has length 26 [2021-06-05 06:00:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:46,685 INFO L225 Difference]: With dead ends: 693 [2021-06-05 06:00:46,685 INFO L226 Difference]: Without dead ends: 604 [2021-06-05 06:00:46,686 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 224.7ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 06:00:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-06-05 06:00:46,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 431. [2021-06-05 06:00:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 430 states have (on average 3.109302325581395) internal successors, (1337), 430 states have internal predecessors, (1337), 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) [2021-06-05 06:00:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 1337 transitions. [2021-06-05 06:00:46,698 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 1337 transitions. Word has length 26 [2021-06-05 06:00:46,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:46,698 INFO L482 AbstractCegarLoop]: Abstraction has 431 states and 1337 transitions. [2021-06-05 06:00:46,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 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) [2021-06-05 06:00:46,698 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1337 transitions. [2021-06-05 06:00:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 06:00:46,699 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:46,700 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:46,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:46,922 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:46,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:46,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1752316266, now seen corresponding path program 5 times [2021-06-05 06:00:46,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:46,923 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342051951] [2021-06-05 06:00:46,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:46,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:00:46,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:46,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342051951] [2021-06-05 06:00:46,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342051951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:46,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088108814] [2021-06-05 06:00:46,952 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 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 [2021-06-05 06:00:47,014 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 06:00:47,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:00:47,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 06:00:47,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:00:47,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088108814] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:47,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:00:47,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 06:00:47,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822936075] [2021-06-05 06:00:47,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 06:00:47,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:47,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 06:00:47,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-05 06:00:47,054 INFO L87 Difference]: Start difference. First operand 431 states and 1337 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:47,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:47,144 INFO L93 Difference]: Finished difference Result 1077 states and 3313 transitions. [2021-06-05 06:00:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 06:00:47,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 06:00:47,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:47,150 INFO L225 Difference]: With dead ends: 1077 [2021-06-05 06:00:47,150 INFO L226 Difference]: Without dead ends: 1071 [2021-06-05 06:00:47,150 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 29.3ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-06-05 06:00:47,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-06-05 06:00:47,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 723. [2021-06-05 06:00:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 722 states have (on average 3.3005540166204987) internal successors, (2383), 722 states have internal predecessors, (2383), 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) [2021-06-05 06:00:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 2383 transitions. [2021-06-05 06:00:47,172 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 2383 transitions. Word has length 28 [2021-06-05 06:00:47,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:47,172 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 2383 transitions. [2021-06-05 06:00:47,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:00:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2383 transitions. [2021-06-05 06:00:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 06:00:47,174 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:47,175 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:47,397 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:47,397 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:47,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:47,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1505385586, now seen corresponding path program 6 times [2021-06-05 06:00:47,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:47,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703995089] [2021-06-05 06:00:47,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:00:47,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:47,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703995089] [2021-06-05 06:00:47,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703995089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:47,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243714782] [2021-06-05 06:00:47,430 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 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 [2021-06-05 06:00:47,472 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 06:00:47,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:00:47,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-05 06:00:47,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:47,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243714782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:47,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:00:47,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-06-05 06:00:47,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439722256] [2021-06-05 06:00:47,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 06:00:47,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:47,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 06:00:47,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-05 06:00:47,536 INFO L87 Difference]: Start difference. First operand 723 states and 2383 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 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) [2021-06-05 06:00:48,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:48,106 INFO L93 Difference]: Finished difference Result 3105 states and 9211 transitions. [2021-06-05 06:00:48,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 06:00:48,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 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) Word has length 28 [2021-06-05 06:00:48,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:48,120 INFO L225 Difference]: With dead ends: 3105 [2021-06-05 06:00:48,120 INFO L226 Difference]: Without dead ends: 2785 [2021-06-05 06:00:48,121 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 299.6ms TimeCoverageRelationStatistics Valid=384, Invalid=1098, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 06:00:48,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-06-05 06:00:48,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 704. [2021-06-05 06:00:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 703 states have (on average 3.3357041251778092) internal successors, (2345), 703 states have internal predecessors, (2345), 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) [2021-06-05 06:00:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 2345 transitions. [2021-06-05 06:00:48,157 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 2345 transitions. Word has length 28 [2021-06-05 06:00:48,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:48,157 INFO L482 AbstractCegarLoop]: Abstraction has 704 states and 2345 transitions. [2021-06-05 06:00:48,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 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) [2021-06-05 06:00:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2345 transitions. [2021-06-05 06:00:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-05 06:00:48,159 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:48,159 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:48,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:48,373 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:48,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:48,373 INFO L82 PathProgramCache]: Analyzing trace with hash -2070734300, now seen corresponding path program 7 times [2021-06-05 06:00:48,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:48,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062064647] [2021-06-05 06:00:48,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:00:48,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:48,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062064647] [2021-06-05 06:00:48,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062064647] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:48,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125316093] [2021-06-05 06:00:48,417 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 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 [2021-06-05 06:00:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:48,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 06:00:48,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:00:48,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125316093] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:48,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:00:48,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-05 06:00:48,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146260880] [2021-06-05 06:00:48,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 06:00:48,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:48,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 06:00:48,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 06:00:48,516 INFO L87 Difference]: Start difference. First operand 704 states and 2345 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-06-05 06:00:48,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:48,863 INFO L93 Difference]: Finished difference Result 4417 states and 14303 transitions. [2021-06-05 06:00:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 06:00:48,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) Word has length 29 [2021-06-05 06:00:48,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:48,883 INFO L225 Difference]: With dead ends: 4417 [2021-06-05 06:00:48,884 INFO L226 Difference]: Without dead ends: 3838 [2021-06-05 06:00:48,884 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 149.7ms TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2021-06-05 06:00:48,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-06-05 06:00:48,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2381. [2021-06-05 06:00:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2380 states have (on average 3.5752100840336136) internal successors, (8509), 2380 states have internal predecessors, (8509), 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) [2021-06-05 06:00:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 8509 transitions. [2021-06-05 06:00:48,963 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 8509 transitions. Word has length 29 [2021-06-05 06:00:48,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:48,963 INFO L482 AbstractCegarLoop]: Abstraction has 2381 states and 8509 transitions. [2021-06-05 06:00:48,963 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-06-05 06:00:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 8509 transitions. [2021-06-05 06:00:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-05 06:00:48,969 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:48,969 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:49,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:49,185 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:49,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:49,185 INFO L82 PathProgramCache]: Analyzing trace with hash 483537884, now seen corresponding path program 8 times [2021-06-05 06:00:49,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:49,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704730088] [2021-06-05 06:00:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:49,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:49,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704730088] [2021-06-05 06:00:49,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704730088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:49,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203539396] [2021-06-05 06:00:49,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:49,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 06:00:49,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:00:49,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-05 06:00:49,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:49,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203539396] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:49,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:00:49,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-05 06:00:49,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980860939] [2021-06-05 06:00:49,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 06:00:49,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:49,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 06:00:49,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 06:00:49,308 INFO L87 Difference]: Start difference. First operand 2381 states and 8509 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-06-05 06:00:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:49,588 INFO L93 Difference]: Finished difference Result 2863 states and 9841 transitions. [2021-06-05 06:00:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 06:00:49,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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) Word has length 29 [2021-06-05 06:00:49,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:49,610 INFO L225 Difference]: With dead ends: 2863 [2021-06-05 06:00:49,610 INFO L226 Difference]: Without dead ends: 2835 [2021-06-05 06:00:49,611 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 161.2ms TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2021-06-05 06:00:49,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2021-06-05 06:00:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2343. [2021-06-05 06:00:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2342 states have (on average 3.568317677198975) internal successors, (8357), 2342 states have internal predecessors, (8357), 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) [2021-06-05 06:00:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 8357 transitions. [2021-06-05 06:00:49,693 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 8357 transitions. Word has length 29 [2021-06-05 06:00:49,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:49,694 INFO L482 AbstractCegarLoop]: Abstraction has 2343 states and 8357 transitions. [2021-06-05 06:00:49,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-06-05 06:00:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 8357 transitions. [2021-06-05 06:00:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-06-05 06:00:49,699 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:49,700 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:49,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:49,913 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:49,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:49,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1924163208, now seen corresponding path program 9 times [2021-06-05 06:00:49,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:49,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839363629] [2021-06-05 06:00:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:00:49,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:49,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839363629] [2021-06-05 06:00:49,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839363629] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:49,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098853384] [2021-06-05 06:00:49,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:49,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-05 06:00:49,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:00:49,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 06:00:49,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 06:00:50,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098853384] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:50,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:00:50,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-06-05 06:00:50,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688115375] [2021-06-05 06:00:50,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 06:00:50,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:00:50,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 06:00:50,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-05 06:00:50,054 INFO L87 Difference]: Start difference. First operand 2343 states and 8357 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-06-05 06:00:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:00:50,596 INFO L93 Difference]: Finished difference Result 5750 states and 19687 transitions. [2021-06-05 06:00:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 06:00:50,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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) Word has length 31 [2021-06-05 06:00:50,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:00:50,613 INFO L225 Difference]: With dead ends: 5750 [2021-06-05 06:00:50,613 INFO L226 Difference]: Without dead ends: 5702 [2021-06-05 06:00:50,614 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 248.5ms TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2021-06-05 06:00:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-06-05 06:00:50,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4398. [2021-06-05 06:00:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4398 states, 4397 states have (on average 3.625881282692745) internal successors, (15943), 4397 states have internal predecessors, (15943), 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) [2021-06-05 06:00:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 15943 transitions. [2021-06-05 06:00:50,749 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 15943 transitions. Word has length 31 [2021-06-05 06:00:50,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:00:50,749 INFO L482 AbstractCegarLoop]: Abstraction has 4398 states and 15943 transitions. [2021-06-05 06:00:50,749 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-06-05 06:00:50,749 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 15943 transitions. [2021-06-05 06:00:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:00:50,760 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:00:50,760 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:00:50,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-05 06:00:50,977 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:00:50,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:00:50,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1395617240, now seen corresponding path program 10 times [2021-06-05 06:00:50,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:00:50,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606130666] [2021-06-05 06:00:50,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:00:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:00:51,590 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2021-06-05 06:00:51,777 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 60 [2021-06-05 06:00:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:00:51,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:00:51,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606130666] [2021-06-05 06:00:51,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606130666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:00:51,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854887468] [2021-06-05 06:00:51,995 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:00:52,038 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 06:00:52,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:00:52,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 06:00:52,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:00:52,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,395 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,402 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,410 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,418 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,426 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,434 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,472 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,481 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,489 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,496 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,504 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,512 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,521 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,529 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:00:52,536 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:52,881 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-05 06:00:52,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:52,890 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-05 06:00:52,890 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1105, output treesize:1089 [2021-06-05 06:00:53,268 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-05 06:00:53,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:00:53,497 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:53,993 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-06-05 06:00:53,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:54,009 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 48 treesize of output 36 [2021-06-05 06:00:54,014 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:54,418 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2021-06-05 06:00:54,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:54,443 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 42 treesize of output 30 [2021-06-05 06:00:54,450 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:54,877 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-06-05 06:00:54,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:54,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:00:54,905 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:55,309 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-05 06:00:55,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:55,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:00:55,335 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:55,728 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-06-05 06:00:55,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:55,744 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 48 treesize of output 36 [2021-06-05 06:00:55,747 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:56,139 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2021-06-05 06:00:56,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:56,161 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 46 treesize of output 30 [2021-06-05 06:00:56,177 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:56,552 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-06-05 06:00:56,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:56,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:00:56,574 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:56,945 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-06-05 06:00:56,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:56,961 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 50 treesize of output 36 [2021-06-05 06:00:56,965 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:57,353 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-06-05 06:00:57,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:57,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 06:00:57,374 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:57,771 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-05 06:00:57,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:57,791 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 52 treesize of output 36 [2021-06-05 06:00:57,795 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:58,166 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2021-06-05 06:00:58,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:58,184 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 51 treesize of output 35 [2021-06-05 06:00:58,186 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:58,535 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-06-05 06:00:58,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:58,553 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 46 treesize of output 30 [2021-06-05 06:00:58,557 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:00:58,895 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-06-05 06:00:58,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:58,911 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 57 treesize of output 37 [2021-06-05 06:00:58,913 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:59,286 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2021-06-05 06:00:59,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:59,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:00:59,313 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:00:59,647 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-05 06:00:59,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:00:59,663 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 52 treesize of output 36 [2021-06-05 06:00:59,667 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:00,013 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2021-06-05 06:01:00,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:00,033 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 52 treesize of output 36 [2021-06-05 06:01:00,038 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:00,375 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-06-05 06:01:00,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:00,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-06-05 06:01:00,399 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:00,715 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-06-05 06:01:00,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:00,743 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 49 treesize of output 35 [2021-06-05 06:01:00,745 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:01,069 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2021-06-05 06:01:01,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:01,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 06:01:01,086 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:01,403 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2021-06-05 06:01:01,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:01,435 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 51 treesize of output 33 [2021-06-05 06:01:01,437 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:01,717 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 126 [2021-06-05 06:01:01,717 INFO L628 ElimStorePlain]: treesize reduction 478, result has 44.5 percent of original size [2021-06-05 06:01:01,725 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 49 treesize of output 33 [2021-06-05 06:01:01,726 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:01,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:01,829 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 45 treesize of output 29 [2021-06-05 06:01:01,831 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:01,933 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-06-05 06:01:01,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:01,933 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-05 06:01:01,933 INFO L518 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2021-06-05 06:01:01,933 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-06-05 06:01:01,942 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 49 treesize of output 35 [2021-06-05 06:01:01,943 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:02,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:02,031 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 51 treesize of output 33 [2021-06-05 06:01:02,038 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:02,154 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-06-05 06:01:02,154 INFO L628 ElimStorePlain]: treesize reduction 81, result has 71.2 percent of original size [2021-06-05 06:01:02,154 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-06-05 06:01:02,154 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-06-05 06:01:02,155 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-06-05 06:01:02,155 INFO L518 ElimStorePlain]: Eliminatee v_prenex_42 vanished before elimination [2021-06-05 06:01:02,155 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-06-05 06:01:02,155 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-06-05 06:01:02,155 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-06-05 06:01:02,155 INFO L518 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2021-06-05 06:01:02,158 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 52 treesize of output 36 [2021-06-05 06:01:02,162 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:02,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:02,212 INFO L518 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2021-06-05 06:01:02,216 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 46 treesize of output 30 [2021-06-05 06:01:02,231 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:02,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:02,282 INFO L518 ElimStorePlain]: Eliminatee v_prenex_23 vanished before elimination [2021-06-05 06:01:02,282 INFO L518 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2021-06-05 06:01:02,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:02,301 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:02,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:02,345 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-06-05 06:01:02,345 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-06-05 06:01:02,345 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-06-05 06:01:02,345 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-06-05 06:01:02,345 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-06-05 06:01:02,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-06-05 06:01:02,349 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-05 06:01:02,349 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 48 variables, input treesize:1137, output treesize:118 [2021-06-05 06:01:02,635 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 20 treesize of output 14 [2021-06-05 06:01:02,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:02,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 06:01:02,641 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:02,656 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-06-05 06:01:02,656 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 06:01:02,657 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-06-05 06:01:02,657 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-06-05 06:01:02,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:01:02,657 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 06:01:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:01:02,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854887468] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:01:02,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:01:02,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 06:01:02,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218982356] [2021-06-05 06:01:02,664 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 06:01:02,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:01:02,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 06:01:02,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-06-05 06:01:02,664 INFO L87 Difference]: Start difference. First operand 4398 states and 15943 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 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) [2021-06-05 06:01:02,941 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-06-05 06:01:03,107 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-06-05 06:01:03,314 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-06-05 06:01:04,118 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-06-05 06:01:04,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:01:04,579 INFO L93 Difference]: Finished difference Result 5785 states and 20387 transitions. [2021-06-05 06:01:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 06:01:04,579 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 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) Word has length 33 [2021-06-05 06:01:04,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:01:04,595 INFO L225 Difference]: With dead ends: 5785 [2021-06-05 06:01:04,595 INFO L226 Difference]: Without dead ends: 5742 [2021-06-05 06:01:04,596 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2685.7ms TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2021-06-05 06:01:04,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2021-06-05 06:01:04,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 4565. [2021-06-05 06:01:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4565 states, 4564 states have (on average 3.612182296231376) internal successors, (16486), 4564 states have internal predecessors, (16486), 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) [2021-06-05 06:01:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 16486 transitions. [2021-06-05 06:01:04,722 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 16486 transitions. Word has length 33 [2021-06-05 06:01:04,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:01:04,722 INFO L482 AbstractCegarLoop]: Abstraction has 4565 states and 16486 transitions. [2021-06-05 06:01:04,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 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) [2021-06-05 06:01:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 16486 transitions. [2021-06-05 06:01:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:01:04,736 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:01:04,736 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:01:04,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:01:04,953 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:01:04,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:01:04,953 INFO L82 PathProgramCache]: Analyzing trace with hash -199304798, now seen corresponding path program 11 times [2021-06-05 06:01:04,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:01:04,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814996432] [2021-06-05 06:01:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:01:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:01:05,592 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2021-06-05 06:01:05,986 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2021-06-05 06:01:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:01:06,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:01:06,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814996432] [2021-06-05 06:01:06,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814996432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:01:06,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702164913] [2021-06-05 06:01:06,285 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:01:06,320 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 06:01:06,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:01:06,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-05 06:01:06,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:01:06,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,643 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,651 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,657 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,663 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,670 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,675 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,682 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,702 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,711 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,719 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,727 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,736 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,744 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,751 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:06,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:06,757 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:07,081 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-05 06:01:07,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:07,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-06-05 06:01:07,095 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1073, output treesize:1057 [2021-06-05 06:01:07,436 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-05 06:01:07,936 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-06-05 06:01:08,703 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-05 06:01:09,441 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_90, v_prenex_72, v_prenex_94, v_prenex_93, v_prenex_70, v_prenex_91, v_prenex_76, v_prenex_54, v_prenex_97, v_prenex_75, v_prenex_53, v_prenex_96, v_prenex_73, v_prenex_57, v_prenex_79, v_prenex_56, v_prenex_78, v_prenex_61, A, v_prenex_82, v_prenex_60, B, v_prenex_81, v_prenex_87, v_prenex_64, v_prenex_85, v_prenex_63, v_prenex_84, v_prenex_69, v_prenex_67, v_prenex_66, v_prenex_88], 2=[v_C_16, v_prenex_83, v_prenex_71, v_prenex_92, v_prenex_80, v_prenex_65, v_prenex_86, v_prenex_74, v_prenex_95, v_prenex_62, v_prenex_58, v_prenex_68, v_prenex_89, v_prenex_55, v_prenex_77, v_prenex_59]} [2021-06-05 06:01:09,484 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 43 treesize of output 29 [2021-06-05 06:01:09,492 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:09,522 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 52 treesize of output 36 [2021-06-05 06:01:09,525 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:11,961 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 449 DAG size of output: 425 [2021-06-05 06:01:11,962 INFO L628 ElimStorePlain]: treesize reduction 592, result has 74.6 percent of original size [2021-06-05 06:01:11,989 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 50 treesize of output 36 [2021-06-05 06:01:11,992 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:12,960 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2021-06-05 06:01:12,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:12,992 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 43 treesize of output 29 [2021-06-05 06:01:12,995 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:13,025 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 52 treesize of output 36 [2021-06-05 06:01:13,029 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:14,020 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2021-06-05 06:01:14,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:14,044 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 44 treesize of output 30 [2021-06-05 06:01:14,047 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:14,065 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 37 treesize of output 25 [2021-06-05 06:01:14,068 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:15,006 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2021-06-05 06:01:15,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:15,025 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 41 treesize of output 29 [2021-06-05 06:01:15,027 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:15,947 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2021-06-05 06:01:15,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:15,973 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 52 treesize of output 34 [2021-06-05 06:01:15,976 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:15,996 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 39 treesize of output 25 [2021-06-05 06:01:15,998 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:16,881 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2021-06-05 06:01:16,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:16,904 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 41 treesize of output 29 [2021-06-05 06:01:16,906 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:17,775 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2021-06-05 06:01:17,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:17,794 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 52 treesize of output 36 [2021-06-05 06:01:17,796 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:18,615 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2021-06-05 06:01:18,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:18,633 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 50 treesize of output 36 [2021-06-05 06:01:18,636 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:19,467 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-06-05 06:01:19,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:19,486 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 39 treesize of output 25 [2021-06-05 06:01:19,488 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:20,289 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2021-06-05 06:01:20,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:20,307 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 46 treesize of output 30 [2021-06-05 06:01:20,313 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:21,130 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-05 06:01:21,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:21,147 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 44 treesize of output 30 [2021-06-05 06:01:21,150 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:21,989 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2021-06-05 06:01:21,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:22,006 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 46 treesize of output 30 [2021-06-05 06:01:22,013 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:22,825 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2021-06-05 06:01:22,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:22,857 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 50 treesize of output 36 [2021-06-05 06:01:22,860 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:23,667 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2021-06-05 06:01:23,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:23,684 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 43 treesize of output 29 [2021-06-05 06:01:23,687 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:24,471 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-06-05 06:01:24,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:24,488 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 46 treesize of output 30 [2021-06-05 06:01:24,492 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:25,266 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-05 06:01:25,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:25,288 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 39 treesize of output 25 [2021-06-05 06:01:25,294 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:26,055 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-06-05 06:01:26,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:26,078 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 43 treesize of output 29 [2021-06-05 06:01:26,080 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:26,098 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 52 treesize of output 36 [2021-06-05 06:01:26,101 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:26,858 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2021-06-05 06:01:26,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:26,881 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 50 treesize of output 36 [2021-06-05 06:01:26,896 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:26,915 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 41 treesize of output 29 [2021-06-05 06:01:26,917 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:27,664 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2021-06-05 06:01:27,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:27,685 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 43 treesize of output 29 [2021-06-05 06:01:27,688 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:28,479 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2021-06-05 06:01:28,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:28,504 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 37 treesize of output 25 [2021-06-05 06:01:28,508 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:28,526 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 50 treesize of output 34 [2021-06-05 06:01:28,528 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:29,233 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2021-06-05 06:01:29,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:29,257 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 37 treesize of output 25 [2021-06-05 06:01:29,259 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:29,276 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 50 treesize of output 34 [2021-06-05 06:01:29,279 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:29,968 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-06-05 06:01:29,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:29,985 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 37 treesize of output 25 [2021-06-05 06:01:29,991 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:30,673 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2021-06-05 06:01:30,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:30,696 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 52 treesize of output 36 [2021-06-05 06:01:30,699 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:30,719 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 43 treesize of output 29 [2021-06-05 06:01:30,722 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:31,406 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-05 06:01:31,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:31,432 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 50 treesize of output 36 [2021-06-05 06:01:31,435 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:31,460 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 41 treesize of output 29 [2021-06-05 06:01:31,463 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:32,112 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-05 06:01:32,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:32,147 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 52 treesize of output 36 [2021-06-05 06:01:32,150 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:32,169 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 43 treesize of output 29 [2021-06-05 06:01:32,171 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:32,829 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-06-05 06:01:32,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:32,853 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 39 treesize of output 25 [2021-06-05 06:01:32,856 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:32,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-06-05 06:01:32,878 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:33,470 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2021-06-05 06:01:33,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:33,494 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 52 treesize of output 34 [2021-06-05 06:01:33,498 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:33,518 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 39 treesize of output 25 [2021-06-05 06:01:33,521 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:34,107 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-06-05 06:01:34,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:34,126 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 37 treesize of output 25 [2021-06-05 06:01:34,130 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:34,714 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-06-05 06:01:34,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:34,741 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 50 treesize of output 36 [2021-06-05 06:01:34,750 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:34,768 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 41 treesize of output 29 [2021-06-05 06:01:34,770 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:35,319 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-06-05 06:01:35,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:35,347 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 37 treesize of output 25 [2021-06-05 06:01:35,356 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:35,375 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 50 treesize of output 34 [2021-06-05 06:01:35,377 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:35,895 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-05 06:01:35,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:35,918 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 44 treesize of output 30 [2021-06-05 06:01:35,926 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:35,942 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 37 treesize of output 25 [2021-06-05 06:01:35,944 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:01:36,431 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-05 06:01:36,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:36,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:36,460 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:36,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:36,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:36,483 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:36,974 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2021-06-05 06:01:36,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:36,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:36,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:36,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:36,999 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:37,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:37,022 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:37,490 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-06-05 06:01:37,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:37,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:01:37,518 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:37,996 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-06-05 06:01:37,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:38,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:38,029 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:38,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:38,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:38,049 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:38,499 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2021-06-05 06:01:38,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:38,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:38,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:38,519 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:38,962 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-05 06:01:38,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:38,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:38,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:38,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:38,985 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:39,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:39,006 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:39,442 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-05 06:01:39,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:39,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:39,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:39,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:39,465 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:39,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:39,487 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:39,921 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2021-06-05 06:01:39,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:39,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:39,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:39,942 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:40,367 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-05 06:01:40,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:40,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:01:40,387 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:40,800 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-05 06:01:40,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:40,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:40,826 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:40,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:40,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:40,846 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:41,240 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-06-05 06:01:41,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:41,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:01:41,258 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:41,698 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-06-05 06:01:41,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:41,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:41,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:41,721 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:42,114 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-06-05 06:01:42,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:42,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:42,134 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:42,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:42,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:42,154 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:42,544 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-06-05 06:01:42,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:42,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:01:42,564 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:42,941 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-06-05 06:01:42,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:42,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:42,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:42,960 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:43,321 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-06-05 06:01:43,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:43,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:43,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:43,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:01:43,340 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:43,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:01:43,361 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:43,713 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-06-05 06:01:43,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:43,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-05 06:01:43,731 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 48 variables, input treesize:2369, output treesize:345 [2021-06-05 06:01:43,892 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-06-05 06:01:44,062 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_100, v_prenex_102], 3=[C, v_prenex_98]} [2021-06-05 06:01:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:44,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:44,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:44,084 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-06-05 06:01:44,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:44,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:44,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:44,092 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 06:01:44,093 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:44,218 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-06-05 06:01:44,218 INFO L628 ElimStorePlain]: treesize reduction 81, result has 60.7 percent of original size [2021-06-05 06:01:44,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:44,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-05 06:01:44,226 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:44,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:44,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:44,268 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-05 06:01:44,269 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:44,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:44,309 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 24 treesize of output 14 [2021-06-05 06:01:44,311 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:44,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:01:44,316 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 06:01:44,317 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:44,353 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-06-05 06:01:44,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:01:44,358 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:253, output treesize:5 [2021-06-05 06:01:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:01:44,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702164913] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:01:44,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:01:44,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-05 06:01:44,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926930847] [2021-06-05 06:01:44,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:01:44,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:01:44,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:01:44,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:01:44,367 INFO L87 Difference]: Start difference. First operand 4565 states and 16486 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) [2021-06-05 06:01:44,957 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-06-05 06:01:45,245 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-05 06:01:46,091 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2021-06-05 06:01:46,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:01:46,536 INFO L93 Difference]: Finished difference Result 6000 states and 21119 transitions. [2021-06-05 06:01:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 06:01:46,537 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) Word has length 33 [2021-06-05 06:01:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:01:46,552 INFO L225 Difference]: With dead ends: 6000 [2021-06-05 06:01:46,552 INFO L226 Difference]: Without dead ends: 5891 [2021-06-05 06:01:46,553 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 4220.7ms TimeCoverageRelationStatistics Valid=192, Invalid=998, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 06:01:46,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-06-05 06:01:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 4605. [2021-06-05 06:01:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4605 states, 4604 states have (on average 3.607949609035621) internal successors, (16611), 4604 states have internal predecessors, (16611), 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) [2021-06-05 06:01:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 16611 transitions. [2021-06-05 06:01:46,663 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 16611 transitions. Word has length 33 [2021-06-05 06:01:46,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:01:46,663 INFO L482 AbstractCegarLoop]: Abstraction has 4605 states and 16611 transitions. [2021-06-05 06:01:46,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) [2021-06-05 06:01:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 16611 transitions. [2021-06-05 06:01:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:01:46,673 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:01:46,673 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:01:46,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:01:46,893 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:01:46,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:01:46,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1389073446, now seen corresponding path program 12 times [2021-06-05 06:01:46,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:01:46,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551347731] [2021-06-05 06:01:46,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:01:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:01:47,400 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2021-06-05 06:01:47,556 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 55 [2021-06-05 06:01:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:01:47,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:01:47,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551347731] [2021-06-05 06:01:47,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551347731] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:01:47,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529688365] [2021-06-05 06:01:47,853 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:01:47,884 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 06:01:47,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:01:47,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 06:01:47,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:01:48,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:01:48,070 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:48,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:01:48,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:48,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:01:48,080 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:48,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:01:48,085 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:48,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:48,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:01:48,159 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-06-05 06:01:48,546 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-06-05 06:01:48,849 INFO L446 ElimStorePlain]: Different costs {1=[v_prenex_119, v_prenex_109, v_prenex_110, v_prenex_122, v_C_18, v_prenex_113, v_prenex_116, v_prenex_106], 3=[v_prenex_120, v_prenex_121, v_prenex_111, v_prenex_112, v_prenex_123, v_prenex_124, v_prenex_114, v_prenex_104, v_prenex_115, v_prenex_105, v_prenex_117, v_prenex_107, v_prenex_118, v_prenex_108, A, B]} [2021-06-05 06:01:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:48,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:48,871 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:48,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:48,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:48,890 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:49,552 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-06-05 06:01:49,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:49,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:49,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:49,570 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:49,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:49,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:49,587 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:50,178 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-06-05 06:01:50,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:50,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:50,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:50,196 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:50,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:50,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:50,213 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:50,814 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-06-05 06:01:50,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:50,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:50,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:50,831 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:50,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:50,846 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:51,412 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-05 06:01:51,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:51,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:51,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:51,434 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:51,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:51,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:51,450 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:51,995 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-06-05 06:01:51,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:52,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:52,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:52,014 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:52,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:52,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:52,030 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:52,589 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-06-05 06:01:52,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:52,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:52,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:52,606 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:52,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:52,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:52,621 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:53,164 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-06-05 06:01:53,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:53,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:53,180 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:53,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:53,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:01:53,195 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:53,733 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-06-05 06:01:53,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:53,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:53,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:53,750 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 63 treesize of output 39 [2021-06-05 06:01:53,751 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:53,762 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 55 treesize of output 39 [2021-06-05 06:01:53,763 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:54,268 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-05 06:01:54,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:54,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,282 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 73 treesize of output 43 [2021-06-05 06:01:54,284 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,300 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 53 treesize of output 31 [2021-06-05 06:01:54,301 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:54,693 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 69 [2021-06-05 06:01:54,693 INFO L628 ElimStorePlain]: treesize reduction 826, result has 31.9 percent of original size [2021-06-05 06:01:54,693 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-06-05 06:01:54,694 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-06-05 06:01:54,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,702 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 57 treesize of output 39 [2021-06-05 06:01:54,703 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:54,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,708 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 61 treesize of output 39 [2021-06-05 06:01:54,709 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:54,816 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-06-05 06:01:54,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:54,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,825 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 59 treesize of output 35 [2021-06-05 06:01:54,831 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:01:54,836 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 69 treesize of output 41 [2021-06-05 06:01:54,837 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:54,910 INFO L628 ElimStorePlain]: treesize reduction 169, result has 38.8 percent of original size [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee v_prenex_114 vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee v_prenex_115 vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee v_prenex_105 vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee v_prenex_107 vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee v_prenex_118 vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee v_prenex_108 vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:01:54,910 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:01:54,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:01:54,911 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 24 variables, input treesize:1345, output treesize:107 [2021-06-05 06:01:55,133 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 20 treesize of output 14 [2021-06-05 06:01:55,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:55,137 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 15 treesize of output 11 [2021-06-05 06:01:55,138 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:55,149 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 06:01:55,150 INFO L518 ElimStorePlain]: Eliminatee v_prenex_125 vanished before elimination [2021-06-05 06:01:55,150 INFO L518 ElimStorePlain]: Eliminatee v_prenex_126 vanished before elimination [2021-06-05 06:01:55,150 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-06-05 06:01:55,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:01:55,150 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 06:01:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:01:55,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529688365] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:01:55,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:01:55,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 06:01:55,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981177897] [2021-06-05 06:01:55,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 06:01:55,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:01:55,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 06:01:55,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-06-05 06:01:55,156 INFO L87 Difference]: Start difference. First operand 4605 states and 16611 transitions. Second operand has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 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) [2021-06-05 06:01:55,760 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2021-06-05 06:01:56,324 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-06-05 06:01:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:01:56,871 INFO L93 Difference]: Finished difference Result 6946 states and 24274 transitions. [2021-06-05 06:01:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 06:01:56,871 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 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) Word has length 33 [2021-06-05 06:01:56,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:01:56,887 INFO L225 Difference]: With dead ends: 6946 [2021-06-05 06:01:56,888 INFO L226 Difference]: Without dead ends: 6863 [2021-06-05 06:01:56,888 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2212.6ms TimeCoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 06:01:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6863 states. [2021-06-05 06:01:56,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6863 to 4778. [2021-06-05 06:01:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 4777 states have (on average 3.6045635335984927) internal successors, (17219), 4777 states have internal predecessors, (17219), 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) [2021-06-05 06:01:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 17219 transitions. [2021-06-05 06:01:56,996 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 17219 transitions. Word has length 33 [2021-06-05 06:01:56,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:01:56,996 INFO L482 AbstractCegarLoop]: Abstraction has 4778 states and 17219 transitions. [2021-06-05 06:01:56,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 22 states have internal predecessors, (62), 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) [2021-06-05 06:01:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 17219 transitions. [2021-06-05 06:01:57,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:01:57,006 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:01:57,006 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:01:57,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-06-05 06:01:57,229 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:01:57,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:01:57,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1709581408, now seen corresponding path program 13 times [2021-06-05 06:01:57,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:01:57,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258717709] [2021-06-05 06:01:57,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:01:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:01:57,641 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2021-06-05 06:01:57,779 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2021-06-05 06:01:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:01:58,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:01:58,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258717709] [2021-06-05 06:01:58,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258717709] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:01:58,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594454925] [2021-06-05 06:01:58,152 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:01:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:01:58,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:01:58,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:01:58,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:58,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:58,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:58,332 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:58,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:58,344 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:58,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:01:58,350 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:01:58,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:01:58,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:01:58,421 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:221, output treesize:217 [2021-06-05 06:01:58,763 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-06-05 06:01:59,271 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-05 06:02:00,122 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_141, v_prenex_131, v_prenex_142, v_prenex_132, v_prenex_144, v_prenex_145, v_prenex_135, v_prenex_147, v_prenex_136, v_prenex_148, v_prenex_138, v_prenex_139, v_prenex_128, v_prenex_129, A, B], 2=[v_C_20, v_prenex_140, v_prenex_130, v_prenex_143, v_prenex_133, v_prenex_134, v_prenex_146, v_prenex_137]} [2021-06-05 06:02:00,144 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 50 treesize of output 36 [2021-06-05 06:02:00,147 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:00,164 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 52 treesize of output 36 [2021-06-05 06:02:00,166 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:00,182 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 41 treesize of output 29 [2021-06-05 06:02:00,184 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:00,198 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 43 treesize of output 29 [2021-06-05 06:02:00,201 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:01,983 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2021-06-05 06:02:01,984 INFO L628 ElimStorePlain]: treesize reduction 422, result has 80.9 percent of original size [2021-06-05 06:02:02,000 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 50 treesize of output 36 [2021-06-05 06:02:02,003 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:02,015 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 52 treesize of output 36 [2021-06-05 06:02:02,018 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:02,819 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-06-05 06:02:02,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:02,840 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 39 treesize of output 25 [2021-06-05 06:02:02,851 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:02,870 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 52 treesize of output 34 [2021-06-05 06:02:02,872 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:02,889 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 52 treesize of output 34 [2021-06-05 06:02:02,892 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:02,904 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 39 treesize of output 25 [2021-06-05 06:02:02,907 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:04,454 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2021-06-05 06:02:04,455 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-05 06:02:04,476 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 46 treesize of output 30 [2021-06-05 06:02:04,480 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:04,492 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 46 treesize of output 30 [2021-06-05 06:02:04,495 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:05,232 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-06-05 06:02:05,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:05,250 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 52 treesize of output 36 [2021-06-05 06:02:05,253 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:05,270 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 41 treesize of output 29 [2021-06-05 06:02:05,273 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:05,302 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 43 treesize of output 29 [2021-06-05 06:02:05,305 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:05,325 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 50 treesize of output 36 [2021-06-05 06:02:05,328 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:06,147 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-05 06:02:06,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:06,168 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 52 treesize of output 34 [2021-06-05 06:02:06,170 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:06,189 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 39 treesize of output 25 [2021-06-05 06:02:06,192 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:06,225 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 52 treesize of output 34 [2021-06-05 06:02:06,228 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:06,242 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 39 treesize of output 25 [2021-06-05 06:02:06,244 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:06,915 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-06-05 06:02:06,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:06,933 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 50 treesize of output 36 [2021-06-05 06:02:06,936 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:06,954 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 52 treesize of output 36 [2021-06-05 06:02:06,956 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:06,974 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 41 treesize of output 29 [2021-06-05 06:02:06,976 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:06,990 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 43 treesize of output 29 [2021-06-05 06:02:06,993 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:07,696 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-06-05 06:02:07,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:07,717 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 43 treesize of output 29 [2021-06-05 06:02:07,719 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:07,743 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 41 treesize of output 29 [2021-06-05 06:02:07,745 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:07,767 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 50 treesize of output 36 [2021-06-05 06:02:07,769 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:07,787 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 52 treesize of output 36 [2021-06-05 06:02:07,790 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:08,518 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-06-05 06:02:08,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:08,542 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 39 treesize of output 25 [2021-06-05 06:02:08,545 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:08,582 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 39 treesize of output 25 [2021-06-05 06:02:08,585 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:08,616 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 46 treesize of output 30 [2021-06-05 06:02:08,619 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:08,637 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 46 treesize of output 30 [2021-06-05 06:02:08,639 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:09,319 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-05 06:02:09,319 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:09,339 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 37 treesize of output 25 [2021-06-05 06:02:09,341 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:09,361 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 44 treesize of output 30 [2021-06-05 06:02:09,363 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:09,382 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 44 treesize of output 30 [2021-06-05 06:02:09,391 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:09,407 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 37 treesize of output 25 [2021-06-05 06:02:09,409 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:10,044 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 06:02:10,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:10,065 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 41 treesize of output 29 [2021-06-05 06:02:10,067 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:10,083 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 43 treesize of output 29 [2021-06-05 06:02:10,085 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:10,703 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 06:02:10,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:10,727 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 37 treesize of output 25 [2021-06-05 06:02:10,729 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:10,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-05 06:02:10,747 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:11,339 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-06-05 06:02:11,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:11,361 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 52 treesize of output 36 [2021-06-05 06:02:11,363 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:11,379 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 50 treesize of output 36 [2021-06-05 06:02:11,382 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:11,979 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-05 06:02:11,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:11,997 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 44 treesize of output 30 [2021-06-05 06:02:11,999 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:12,014 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 44 treesize of output 30 [2021-06-05 06:02:12,016 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:12,577 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-06-05 06:02:12,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:12,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 06:02:12,599 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:12,619 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 50 treesize of output 36 [2021-06-05 06:02:12,622 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:12,643 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 52 treesize of output 36 [2021-06-05 06:02:12,645 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:12,670 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 43 treesize of output 29 [2021-06-05 06:02:12,674 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:13,271 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-06-05 06:02:13,272 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:13,292 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 37 treesize of output 25 [2021-06-05 06:02:13,294 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:13,315 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 50 treesize of output 34 [2021-06-05 06:02:13,317 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:13,336 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 37 treesize of output 25 [2021-06-05 06:02:13,338 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:13,354 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 50 treesize of output 34 [2021-06-05 06:02:13,357 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:02:13,890 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-06-05 06:02:13,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:13,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:13,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:13,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:13,929 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:13,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:13,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:13,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:13,957 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:13,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:02:13,980 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:14,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:02:14,001 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:14,481 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-06-05 06:02:14,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:14,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:14,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:14,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:14,508 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:14,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:02:14,533 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:14,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:02:14,557 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:14,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:14,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:14,578 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:15,073 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-05 06:02:15,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:15,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:02:15,094 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:15,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:02:15,112 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:15,555 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-06-05 06:02:15,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:15,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:02:15,576 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:15,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:15,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:15,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:15,597 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:15,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:15,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:15,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:15,619 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:15,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:02:15,637 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:16,060 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-06-05 06:02:16,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:16,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:02:16,082 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:16,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:02:16,101 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:16,513 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2021-06-05 06:02:16,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:16,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:02:16,533 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:16,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:16,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:16,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:16,554 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:16,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:02:16,573 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:16,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:16,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:16,591 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:16,982 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-05 06:02:16,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:17,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:02:17,005 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:17,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:17,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:17,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:17,026 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:17,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:02:17,052 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:17,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:17,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:17,081 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:17,450 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-06-05 06:02:17,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:17,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:17,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:17,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:17,476 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:17,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:02:17,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-06-05 06:02:17,518 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:17,863 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-05 06:02:17,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:17,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 15 xjuncts. [2021-06-05 06:02:17,875 INFO L247 ElimStorePlain]: Needed 79 recursive calls to eliminate 24 variables, input treesize:2273, output treesize:378 [2021-06-05 06:02:18,024 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 27 treesize of output 17 [2021-06-05 06:02:18,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:18,027 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 20 treesize of output 14 [2021-06-05 06:02:18,028 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:18,040 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-06-05 06:02:18,041 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-05 06:02:18,041 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-06-05 06:02:18,041 INFO L518 ElimStorePlain]: Eliminatee v_prenex_149 vanished before elimination [2021-06-05 06:02:18,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:02:18,041 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 06:02:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:02:18,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594454925] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:02:18,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:02:18,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 06:02:18,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996259399] [2021-06-05 06:02:18,047 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:02:18,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:02:18,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:02:18,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:02:18,048 INFO L87 Difference]: Start difference. First operand 4778 states and 17219 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) [2021-06-05 06:02:18,559 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2021-06-05 06:02:18,990 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-06-05 06:02:19,375 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2021-06-05 06:02:19,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:02:19,761 INFO L93 Difference]: Finished difference Result 6706 states and 23504 transitions. [2021-06-05 06:02:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 06:02:19,762 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) Word has length 33 [2021-06-05 06:02:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:02:19,772 INFO L225 Difference]: With dead ends: 6706 [2021-06-05 06:02:19,772 INFO L226 Difference]: Without dead ends: 6489 [2021-06-05 06:02:19,773 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2616.1ms TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2021-06-05 06:02:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6489 states. [2021-06-05 06:02:19,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 4829. [2021-06-05 06:02:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4829 states, 4828 states have (on average 3.5925849212924605) internal successors, (17345), 4828 states have internal predecessors, (17345), 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) [2021-06-05 06:02:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 17345 transitions. [2021-06-05 06:02:19,878 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 17345 transitions. Word has length 33 [2021-06-05 06:02:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:02:19,879 INFO L482 AbstractCegarLoop]: Abstraction has 4829 states and 17345 transitions. [2021-06-05 06:02:19,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) [2021-06-05 06:02:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 17345 transitions. [2021-06-05 06:02:19,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:02:19,889 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:02:19,889 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:02:20,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable257 [2021-06-05 06:02:20,105 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:02:20,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:02:20,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1839447846, now seen corresponding path program 14 times [2021-06-05 06:02:20,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:02:20,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286332107] [2021-06-05 06:02:20,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:02:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:02:20,531 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2021-06-05 06:02:20,669 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2021-06-05 06:02:20,796 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2021-06-05 06:02:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:02:20,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:02:20,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286332107] [2021-06-05 06:02:20,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286332107] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:02:20,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612007640] [2021-06-05 06:02:20,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:02:20,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 06:02:20,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:02:20,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:02:20,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:02:21,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:02:21,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:21,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:02:21,107 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:21,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:02:21,112 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:21,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:02:21,116 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:21,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:21,186 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:02:21,186 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-06-05 06:02:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:21,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:02:21,299 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:21,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:21,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:02:21,380 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:21,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:21,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:21,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:02:21,464 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:21,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:21,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:21,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:02:21,545 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:21,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:21,620 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:02:21,620 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-06-05 06:02:22,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:22,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:22,118 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 61 treesize of output 39 [2021-06-05 06:02:22,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:22,627 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-06-05 06:02:22,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:22,641 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 57 treesize of output 39 [2021-06-05 06:02:22,642 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:23,078 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-06-05 06:02:23,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:23,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,096 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 57 treesize of output 39 [2021-06-05 06:02:23,098 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,112 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 57 treesize of output 39 [2021-06-05 06:02:23,113 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:23,524 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-06-05 06:02:23,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:23,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,538 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 61 treesize of output 39 [2021-06-05 06:02:23,539 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:23,942 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-06-05 06:02:23,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:23,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,959 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 57 treesize of output 33 [2021-06-05 06:02:23,960 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:23,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:23,974 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 53 treesize of output 33 [2021-06-05 06:02:23,975 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:24,368 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 137 [2021-06-05 06:02:24,368 INFO L628 ElimStorePlain]: treesize reduction 592, result has 50.5 percent of original size [2021-06-05 06:02:24,368 INFO L518 ElimStorePlain]: Eliminatee v_prenex_173 vanished before elimination [2021-06-05 06:02:24,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,376 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 65 treesize of output 41 [2021-06-05 06:02:24,379 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:24,581 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2021-06-05 06:02:24,582 INFO L628 ElimStorePlain]: treesize reduction 166, result has 70.5 percent of original size [2021-06-05 06:02:24,582 INFO L518 ElimStorePlain]: Eliminatee v_prenex_174 vanished before elimination [2021-06-05 06:02:24,582 INFO L518 ElimStorePlain]: Eliminatee v_prenex_163 vanished before elimination [2021-06-05 06:02:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,588 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 61 treesize of output 39 [2021-06-05 06:02:24,589 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:24,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:24,669 INFO L518 ElimStorePlain]: Eliminatee v_prenex_164 vanished before elimination [2021-06-05 06:02:24,669 INFO L518 ElimStorePlain]: Eliminatee v_prenex_165 vanished before elimination [2021-06-05 06:02:24,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,675 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 69 treesize of output 41 [2021-06-05 06:02:24,676 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:24,763 INFO L628 ElimStorePlain]: treesize reduction 175, result has 50.0 percent of original size [2021-06-05 06:02:24,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,767 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 61 treesize of output 39 [2021-06-05 06:02:24,768 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:24,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:24,800 INFO L518 ElimStorePlain]: Eliminatee v_prenex_166 vanished before elimination [2021-06-05 06:02:24,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:24,804 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 69 treesize of output 41 [2021-06-05 06:02:24,805 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:24,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:24,832 INFO L518 ElimStorePlain]: Eliminatee v_prenex_167 vanished before elimination [2021-06-05 06:02:24,832 INFO L518 ElimStorePlain]: Eliminatee v_prenex_168 vanished before elimination [2021-06-05 06:02:24,832 INFO L518 ElimStorePlain]: Eliminatee v_prenex_157 vanished before elimination [2021-06-05 06:02:24,832 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-06-05 06:02:24,832 INFO L518 ElimStorePlain]: Eliminatee v_prenex_169 vanished before elimination [2021-06-05 06:02:24,832 INFO L518 ElimStorePlain]: Eliminatee v_prenex_159 vanished before elimination [2021-06-05 06:02:24,832 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:02:24,832 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:02:24,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:02:24,833 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 24 variables, input treesize:1361, output treesize:107 [2021-06-05 06:02:25,042 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 20 treesize of output 14 [2021-06-05 06:02:25,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:25,046 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 15 treesize of output 11 [2021-06-05 06:02:25,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:25,059 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 06:02:25,059 INFO L518 ElimStorePlain]: Eliminatee v_prenex_177 vanished before elimination [2021-06-05 06:02:25,059 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-06-05 06:02:25,059 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-06-05 06:02:25,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:02:25,060 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 06:02:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:02:25,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612007640] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:02:25,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:02:25,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 06:02:25,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353869599] [2021-06-05 06:02:25,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 06:02:25,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:02:25,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 06:02:25,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-06-05 06:02:25,066 INFO L87 Difference]: Start difference. First operand 4829 states and 17345 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) [2021-06-05 06:02:25,228 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-06-05 06:02:25,461 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2021-06-05 06:02:25,679 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2021-06-05 06:02:25,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:02:25,945 INFO L93 Difference]: Finished difference Result 6215 states and 21916 transitions. [2021-06-05 06:02:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 06:02:25,946 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) Word has length 33 [2021-06-05 06:02:25,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:02:25,955 INFO L225 Difference]: With dead ends: 6215 [2021-06-05 06:02:25,955 INFO L226 Difference]: Without dead ends: 6132 [2021-06-05 06:02:25,956 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1499.3ms TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-06-05 06:02:25,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2021-06-05 06:02:26,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 4865. [2021-06-05 06:02:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4865 states, 4864 states have (on average 3.5886101973684212) internal successors, (17455), 4864 states have internal predecessors, (17455), 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) [2021-06-05 06:02:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 4865 states and 17455 transitions. [2021-06-05 06:02:26,056 INFO L78 Accepts]: Start accepts. Automaton has 4865 states and 17455 transitions. Word has length 33 [2021-06-05 06:02:26,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:02:26,057 INFO L482 AbstractCegarLoop]: Abstraction has 4865 states and 17455 transitions. [2021-06-05 06:02:26,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) [2021-06-05 06:02:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 17455 transitions. [2021-06-05 06:02:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:02:26,067 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:02:26,067 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:02:26,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable417 [2021-06-05 06:02:26,326 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:02:26,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:02:26,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1784385830, now seen corresponding path program 15 times [2021-06-05 06:02:26,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:02:26,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307853545] [2021-06-05 06:02:26,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:02:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:02:26,762 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2021-06-05 06:02:26,958 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2021-06-05 06:02:27,123 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2021-06-05 06:02:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:02:27,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:02:27,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307853545] [2021-06-05 06:02:27,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307853545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:02:27,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462815179] [2021-06-05 06:02:27,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:02:27,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 06:02:27,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:02:27,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 06:02:27,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:02:27,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:02:27,398 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:27,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:02:27,403 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:27,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:02:27,410 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:27,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:02:27,414 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:27,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:27,484 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:02:27,484 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:237, output treesize:233 [2021-06-05 06:02:27,621 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 06:02:27,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:02:27,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:27,637 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 06:02:27,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:02:27,638 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:27,661 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 06:02:27,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:02:27,662 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:27,675 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 06:02:27,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:02:27,676 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:27,795 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 06:02:27,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:27,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-05 06:02:27,798 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:301, output treesize:297 [2021-06-05 06:02:28,001 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-05 06:02:28,186 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-05 06:02:28,697 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-05 06:02:29,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:29,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:29,819 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:29,820 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 61 treesize of output 63 [2021-06-05 06:02:29,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:30,787 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2021-06-05 06:02:30,787 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:30,854 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:30,855 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 102 treesize of output 98 [2021-06-05 06:02:30,897 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-06-05 06:02:32,904 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 678 DAG size of output: 664 [2021-06-05 06:02:32,905 INFO L628 ElimStorePlain]: treesize reduction 135, result has 94.2 percent of original size [2021-06-05 06:02:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:32,992 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:32,992 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 61 treesize of output 59 [2021-06-05 06:02:32,998 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:34,020 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 667 [2021-06-05 06:02:34,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:34,106 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:34,106 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 72 treesize of output 66 [2021-06-05 06:02:34,111 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:35,168 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 675 [2021-06-05 06:02:35,169 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:35,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:35,242 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 103 treesize of output 97 [2021-06-05 06:02:35,282 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-06-05 06:02:38,395 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 682 DAG size of output: 660 [2021-06-05 06:02:38,396 INFO L628 ElimStorePlain]: treesize reduction 178, result has 92.6 percent of original size [2021-06-05 06:02:38,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:38,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:38,499 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:38,500 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 122 treesize of output 110 [2021-06-05 06:02:38,647 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2021-06-05 06:02:40,865 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 665 DAG size of output: 644 [2021-06-05 06:02:40,866 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.9 percent of original size [2021-06-05 06:02:40,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:40,951 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:40,951 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 57 treesize of output 55 [2021-06-05 06:02:40,956 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:41,991 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 650 [2021-06-05 06:02:41,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:42,064 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:42,065 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 74 treesize of output 66 [2021-06-05 06:02:42,070 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:43,133 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 661 [2021-06-05 06:02:43,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:43,226 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:43,226 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 50 treesize of output 48 [2021-06-05 06:02:43,230 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:02:44,268 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 662 [2021-06-05 06:02:44,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:44,334 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:44,334 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 143 treesize of output 125 [2021-06-05 06:02:44,383 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2021-06-05 06:02:47,473 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 669 DAG size of output: 640 [2021-06-05 06:02:47,474 INFO L628 ElimStorePlain]: treesize reduction 204, result has 91.4 percent of original size [2021-06-05 06:02:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:47,549 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:47,550 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 63 treesize of output 63 [2021-06-05 06:02:47,556 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-06-05 06:02:49,689 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 645 DAG size of output: 643 [2021-06-05 06:02:49,691 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.1 percent of original size [2021-06-05 06:02:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:49,765 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:49,766 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 59 treesize of output 55 [2021-06-05 06:02:49,772 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-06-05 06:02:51,880 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 652 DAG size of output: 648 [2021-06-05 06:02:51,881 INFO L628 ElimStorePlain]: treesize reduction 44, result has 98.0 percent of original size [2021-06-05 06:02:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:51,947 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:51,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 90 [2021-06-05 06:02:51,972 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2021-06-05 06:02:54,147 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 651 DAG size of output: 637 [2021-06-05 06:02:54,149 INFO L628 ElimStorePlain]: treesize reduction 169, result has 92.7 percent of original size [2021-06-05 06:02:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:54,219 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:54,219 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 94 treesize of output 90 [2021-06-05 06:02:54,250 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2021-06-05 06:02:56,456 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 634 DAG size of output: 622 [2021-06-05 06:02:56,457 INFO L628 ElimStorePlain]: treesize reduction 139, result has 93.8 percent of original size [2021-06-05 06:02:56,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:56,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:56,534 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:02:56,534 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 63 treesize of output 59 [2021-06-05 06:02:56,540 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-06-05 06:02:57,624 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 628 [2021-06-05 06:02:57,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:02:57,689 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:02:57,690 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 133 treesize of output 115 [2021-06-05 06:02:57,721 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2021-06-05 06:03:00,962 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 620 DAG size of output: 613 [2021-06-05 06:03:00,963 INFO L628 ElimStorePlain]: treesize reduction 102, result has 95.3 percent of original size [2021-06-05 06:03:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:01,039 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:01,039 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 63 treesize of output 63 [2021-06-05 06:03:01,048 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-05 06:03:02,130 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 615 [2021-06-05 06:03:02,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:02,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:02,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:02,207 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:02,207 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 52 treesize of output 48 [2021-06-05 06:03:02,211 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:03,350 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-05 06:03:03,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:03,411 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:03,411 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 92 treesize of output 90 [2021-06-05 06:03:03,465 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2021-06-05 06:03:05,663 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 610 DAG size of output: 605 [2021-06-05 06:03:05,664 INFO L628 ElimStorePlain]: treesize reduction 46, result has 97.8 percent of original size [2021-06-05 06:03:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:05,730 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:05,731 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 96 treesize of output 90 [2021-06-05 06:03:05,790 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 3 xjuncts. [2021-06-05 06:03:08,102 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 611 DAG size of output: 595 [2021-06-05 06:03:08,103 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.4 percent of original size [2021-06-05 06:03:08,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:08,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:08,174 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:08,175 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 48 treesize of output 48 [2021-06-05 06:03:08,186 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:09,329 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 598 [2021-06-05 06:03:09,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:09,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:09,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:09,406 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:09,407 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 54 treesize of output 56 [2021-06-05 06:03:09,410 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:10,581 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 598 [2021-06-05 06:03:10,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:10,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:10,647 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 104 treesize of output 98 [2021-06-05 06:03:10,686 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-06-05 06:03:13,008 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 606 DAG size of output: 586 [2021-06-05 06:03:13,009 INFO L628 ElimStorePlain]: treesize reduction 201, result has 91.0 percent of original size [2021-06-05 06:03:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:13,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:13,076 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 75 treesize of output 75 [2021-06-05 06:03:13,120 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 6 xjuncts. [2021-06-05 06:03:15,509 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 589 DAG size of output: 574 [2021-06-05 06:03:15,510 INFO L628 ElimStorePlain]: treesize reduction 211, result has 90.5 percent of original size [2021-06-05 06:03:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:15,583 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:15,583 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 52 treesize of output 48 [2021-06-05 06:03:15,587 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:16,753 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 577 [2021-06-05 06:03:16,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:16,821 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:16,822 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 94 treesize of output 90 [2021-06-05 06:03:16,865 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2021-06-05 06:03:20,406 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 579 DAG size of output: 564 [2021-06-05 06:03:20,407 INFO L628 ElimStorePlain]: treesize reduction 118, result has 94.4 percent of original size [2021-06-05 06:03:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:20,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:20,472 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:20,472 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 57 treesize of output 55 [2021-06-05 06:03:20,476 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:21,650 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-05 06:03:21,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:21,714 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:21,715 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 104 treesize of output 98 [2021-06-05 06:03:21,808 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 5 xjuncts. [2021-06-05 06:03:25,489 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 584 DAG size of output: 558 [2021-06-05 06:03:25,490 INFO L628 ElimStorePlain]: treesize reduction 341, result has 85.4 percent of original size [2021-06-05 06:03:25,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:25,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:25,558 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:25,559 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 74 treesize of output 66 [2021-06-05 06:03:25,563 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:26,714 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-05 06:03:26,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:26,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:26,773 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:26,773 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 141 treesize of output 125 [2021-06-05 06:03:26,809 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 3 xjuncts. [2021-06-05 06:03:29,236 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 577 DAG size of output: 549 [2021-06-05 06:03:29,237 INFO L628 ElimStorePlain]: treesize reduction 236, result has 89.4 percent of original size [2021-06-05 06:03:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:29,299 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:29,300 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 61 treesize of output 63 [2021-06-05 06:03:29,304 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:30,475 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-05 06:03:30,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:30,549 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:30,549 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 52 treesize of output 48 [2021-06-05 06:03:30,553 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:31,769 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 557 [2021-06-05 06:03:31,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:31,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:31,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:31,832 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:31,832 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 92 treesize of output 90 [2021-06-05 06:03:31,867 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2021-06-05 06:03:34,303 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 556 DAG size of output: 546 [2021-06-05 06:03:34,304 INFO L628 ElimStorePlain]: treesize reduction 91, result has 95.6 percent of original size [2021-06-05 06:03:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:34,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:34,368 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:34,368 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 57 treesize of output 55 [2021-06-05 06:03:34,372 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:35,606 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-05 06:03:35,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:35,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:35,676 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:35,676 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 50 treesize of output 48 [2021-06-05 06:03:35,680 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:36,899 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 551 [2021-06-05 06:03:36,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:36,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:36,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:36,960 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 102 treesize of output 98 [2021-06-05 06:03:37,025 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2021-06-05 06:03:39,571 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 568 DAG size of output: 539 [2021-06-05 06:03:39,572 INFO L628 ElimStorePlain]: treesize reduction 265, result has 88.3 percent of original size [2021-06-05 06:03:39,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:39,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:39,629 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:39,629 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 73 treesize of output 75 [2021-06-05 06:03:39,664 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-06-05 06:03:42,167 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 545 DAG size of output: 526 [2021-06-05 06:03:42,168 INFO L628 ElimStorePlain]: treesize reduction 185, result has 91.4 percent of original size [2021-06-05 06:03:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:42,238 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:42,238 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 61 treesize of output 63 [2021-06-05 06:03:42,242 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:43,535 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 531 [2021-06-05 06:03:43,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:43,603 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:43,603 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 52 treesize of output 48 [2021-06-05 06:03:43,607 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:44,929 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 535 [2021-06-05 06:03:44,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:44,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:44,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:44,987 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:44,987 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 100 treesize of output 98 [2021-06-05 06:03:45,014 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 4 xjuncts. [2021-06-05 06:03:47,572 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 538 DAG size of output: 523 [2021-06-05 06:03:47,573 INFO L628 ElimStorePlain]: treesize reduction 174, result has 92.0 percent of original size [2021-06-05 06:03:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:47,635 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:47,635 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 94 treesize of output 90 [2021-06-05 06:03:47,679 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 6 xjuncts. [2021-06-05 06:03:50,220 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 533 DAG size of output: 509 [2021-06-05 06:03:50,221 INFO L628 ElimStorePlain]: treesize reduction 292, result has 87.0 percent of original size [2021-06-05 06:03:50,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:50,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:50,278 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:50,278 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 84 treesize of output 84 [2021-06-05 06:03:50,315 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 4 xjuncts. [2021-06-05 06:03:52,889 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 512 DAG size of output: 500 [2021-06-05 06:03:52,890 INFO L628 ElimStorePlain]: treesize reduction 130, result has 93.7 percent of original size [2021-06-05 06:03:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:52,946 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:52,946 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 71 treesize of output 75 [2021-06-05 06:03:52,963 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-05 06:03:55,550 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 497 DAG size of output: 490 [2021-06-05 06:03:55,551 INFO L628 ElimStorePlain]: treesize reduction 69, result has 96.5 percent of original size [2021-06-05 06:03:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:55,609 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:55,609 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 100 treesize of output 98 [2021-06-05 06:03:55,637 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-06-05 06:03:58,283 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 495 DAG size of output: 477 [2021-06-05 06:03:58,284 INFO L628 ElimStorePlain]: treesize reduction 240, result has 88.8 percent of original size [2021-06-05 06:03:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:58,350 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:58,350 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 50 treesize of output 48 [2021-06-05 06:03:58,354 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 06:03:59,739 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 476 [2021-06-05 06:03:59,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:03:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:03:59,805 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-06-05 06:03:59,805 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 61 treesize of output 59 [2021-06-05 06:03:59,809 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:01,049 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 481 [2021-06-05 06:04:01,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:01,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:01,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:01,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:01,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-06-05 06:04:01,129 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-06-05 06:04:03,674 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2021-06-05 06:04:03,675 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-05 06:04:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:03,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:03,733 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:03,733 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 101 treesize of output 97 [2021-06-05 06:04:03,773 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 4 xjuncts. [2021-06-05 06:04:07,664 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 480 DAG size of output: 457 [2021-06-05 06:04:07,665 INFO L628 ElimStorePlain]: treesize reduction 210, result has 89.9 percent of original size [2021-06-05 06:04:07,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 48 dim-1 vars, End of recursive call: 24 dim-0 vars, and 24 xjuncts. [2021-06-05 06:04:07,843 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 72 variables, input treesize:2209, output treesize:1876 [2021-06-05 06:04:08,436 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 98 [2021-06-05 06:04:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:09,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:09,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:09,438 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 06:04:09,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:09,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:09,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:09,446 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 06:04:09,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:09,547 INFO L628 ElimStorePlain]: treesize reduction 111, result has 45.0 percent of original size [2021-06-05 06:04:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:09,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:09,553 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 06:04:09,554 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:09,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:09,588 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 15 treesize of output 11 [2021-06-05 06:04:09,590 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:09,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:09,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:09,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:09,621 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 06:04:09,622 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:09,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:09,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:09,647 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-06-05 06:04:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:09,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462815179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:09,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:04:09,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 06:04:09,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168488336] [2021-06-05 06:04:09,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 06:04:09,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:04:09,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 06:04:09,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-06-05 06:04:09,660 INFO L87 Difference]: Start difference. First operand 4865 states and 17455 transitions. Second operand 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) [2021-06-05 06:04:10,121 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2021-06-05 06:04:10,428 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-06-05 06:04:10,701 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-06-05 06:04:11,282 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-06-05 06:04:11,585 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-06-05 06:04:11,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:04:11,731 INFO L93 Difference]: Finished difference Result 7016 states and 24575 transitions. [2021-06-05 06:04:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 06:04:11,732 INFO L78 Accepts]: Start accepts. 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) Word has length 33 [2021-06-05 06:04:11,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:04:11,743 INFO L225 Difference]: With dead ends: 7016 [2021-06-05 06:04:11,743 INFO L226 Difference]: Without dead ends: 6825 [2021-06-05 06:04:11,743 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3689.6ms TimeCoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-06-05 06:04:11,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6825 states. [2021-06-05 06:04:11,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6825 to 5010. [2021-06-05 06:04:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5010 states, 5009 states have (on average 3.577560391295668) internal successors, (17920), 5009 states have internal predecessors, (17920), 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) [2021-06-05 06:04:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 5010 states and 17920 transitions. [2021-06-05 06:04:11,849 INFO L78 Accepts]: Start accepts. Automaton has 5010 states and 17920 transitions. Word has length 33 [2021-06-05 06:04:11,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:04:11,849 INFO L482 AbstractCegarLoop]: Abstraction has 5010 states and 17920 transitions. [2021-06-05 06:04:11,849 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) [2021-06-05 06:04:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 17920 transitions. [2021-06-05 06:04:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:04:11,860 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:04:11,860 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:04:12,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable471,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:12,077 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:04:12,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:04:12,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1751058778, now seen corresponding path program 16 times [2021-06-05 06:04:12,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:04:12,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229981602] [2021-06-05 06:04:12,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:04:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:12,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:04:12,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229981602] [2021-06-05 06:04:12,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229981602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:12,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202226293] [2021-06-05 06:04:12,759 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 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 [2021-06-05 06:04:12,788 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 06:04:12,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:04:12,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:04:12,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:04:12,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:04:12,944 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:12,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:04:12,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:12,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:04:12,955 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:12,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:04:12,960 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:13,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:13,042 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:04:13,042 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-06-05 06:04:13,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:13,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:13,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:13,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:13,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:13,263 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:13,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:13,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:13,346 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:13,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:13,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:13,428 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:13,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:13,504 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:04:13,505 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-06-05 06:04:13,642 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-06-05 06:04:13,870 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 06:04:13,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:13,903 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 45 treesize of output 29 [2021-06-05 06:04:13,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:13,910 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 34 treesize of output 26 [2021-06-05 06:04:13,921 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:13,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:13,927 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 40 treesize of output 32 [2021-06-05 06:04:13,928 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:14,233 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-06-05 06:04:14,233 INFO L628 ElimStorePlain]: treesize reduction 234, result has 72.4 percent of original size [2021-06-05 06:04:14,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:14,239 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 34 treesize of output 26 [2021-06-05 06:04:14,240 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:14,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:14,247 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 36 treesize of output 26 [2021-06-05 06:04:14,248 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:14,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:14,252 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 29 treesize of output 23 [2021-06-05 06:04:14,253 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:14,381 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-06-05 06:04:14,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:14,387 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 34 treesize of output 26 [2021-06-05 06:04:14,388 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:14,392 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 29 treesize of output 23 [2021-06-05 06:04:14,393 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:14,508 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-06-05 06:04:14,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:14,513 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 34 treesize of output 26 [2021-06-05 06:04:14,514 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:14,518 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 36 treesize of output 26 [2021-06-05 06:04:14,519 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:14,622 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-05 06:04:14,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:14,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 06:04:14,624 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:909, output treesize:443 [2021-06-05 06:04:14,753 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-05 06:04:15,263 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 29 treesize of output 17 [2021-06-05 06:04:15,265 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:15,287 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 29 treesize of output 17 [2021-06-05 06:04:15,288 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:15,309 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 27 treesize of output 17 [2021-06-05 06:04:15,311 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:15,326 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 27 treesize of output 17 [2021-06-05 06:04:15,328 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:16,330 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-06-05 06:04:16,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:16,343 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 27 treesize of output 15 [2021-06-05 06:04:16,344 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:16,370 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 25 treesize of output 15 [2021-06-05 06:04:16,372 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:16,757 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 5 [2021-06-05 06:04:16,758 INFO L628 ElimStorePlain]: treesize reduction 1657, result has 0.3 percent of original size [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_260 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_272 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_261 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_273 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_262 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_274 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_263 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_264 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_275 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_265 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_266 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_267 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_268 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_269 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_258 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee v_prenex_259 vanished before elimination [2021-06-05 06:04:16,758 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:04:16,759 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:04:16,759 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:16,759 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-06-05 06:04:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:16,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202226293] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:16,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:04:16,769 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 06:04:16,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515166515] [2021-06-05 06:04:16,769 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 06:04:16,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:04:16,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 06:04:16,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-06-05 06:04:16,770 INFO L87 Difference]: Start difference. First operand 5010 states and 17920 transitions. Second operand has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 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) [2021-06-05 06:04:17,162 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-06-05 06:04:17,427 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2021-06-05 06:04:17,615 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 06:04:17,824 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 06:04:18,097 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 06:04:18,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:04:18,164 INFO L93 Difference]: Finished difference Result 6698 states and 23616 transitions. [2021-06-05 06:04:18,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 06:04:18,164 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 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) Word has length 33 [2021-06-05 06:04:18,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:04:18,178 INFO L225 Difference]: With dead ends: 6698 [2021-06-05 06:04:18,179 INFO L226 Difference]: Without dead ends: 6550 [2021-06-05 06:04:18,179 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2043.3ms TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-06-05 06:04:18,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2021-06-05 06:04:18,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 5024. [2021-06-05 06:04:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 5023 states have (on average 3.580728648218196) internal successors, (17986), 5023 states have internal predecessors, (17986), 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) [2021-06-05 06:04:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 17986 transitions. [2021-06-05 06:04:18,362 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 17986 transitions. Word has length 33 [2021-06-05 06:04:18,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:04:18,362 INFO L482 AbstractCegarLoop]: Abstraction has 5024 states and 17986 transitions. [2021-06-05 06:04:18,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 20 states have internal predecessors, (57), 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) [2021-06-05 06:04:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 17986 transitions. [2021-06-05 06:04:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:04:18,374 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:04:18,374 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:04:18,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1130,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:18,589 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:04:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:04:18,589 INFO L82 PathProgramCache]: Analyzing trace with hash -320803294, now seen corresponding path program 17 times [2021-06-05 06:04:18,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:04:18,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327340780] [2021-06-05 06:04:18,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:04:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:19,127 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-06-05 06:04:19,344 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 39 [2021-06-05 06:04:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:19,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:04:19,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327340780] [2021-06-05 06:04:19,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327340780] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:19,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58283777] [2021-06-05 06:04:19,459 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 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 [2021-06-05 06:04:19,490 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 06:04:19,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:04:19,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-05 06:04:19,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:04:19,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:04:19,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:19,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:19,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:19,594 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 06:04:20,135 INFO L446 ElimStorePlain]: Different costs {1=[v_C_28], 3=[A, B]} [2021-06-05 06:04:20,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,162 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,175 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,188 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,203 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,216 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,231 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,246 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,260 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,273 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,287 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,301 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,315 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,334 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,348 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:20,360 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,739 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-05 06:04:20,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,748 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 57 treesize of output 39 [2021-06-05 06:04:20,750 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,759 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 61 treesize of output 39 [2021-06-05 06:04:20,760 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,769 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 57 treesize of output 39 [2021-06-05 06:04:20,770 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,780 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 61 treesize of output 39 [2021-06-05 06:04:20,781 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,791 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 57 treesize of output 39 [2021-06-05 06:04:20,792 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,801 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 57 treesize of output 39 [2021-06-05 06:04:20,802 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,811 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 61 treesize of output 39 [2021-06-05 06:04:20,813 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,822 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 57 treesize of output 39 [2021-06-05 06:04:20,823 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,833 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 61 treesize of output 39 [2021-06-05 06:04:20,834 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,843 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 57 treesize of output 39 [2021-06-05 06:04:20,844 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,854 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 61 treesize of output 39 [2021-06-05 06:04:20,855 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,864 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 61 treesize of output 39 [2021-06-05 06:04:20,865 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2021-06-05 06:04:20,875 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,884 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 61 treesize of output 39 [2021-06-05 06:04:20,885 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,894 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 57 treesize of output 39 [2021-06-05 06:04:20,896 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:20,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:20,902 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 61 treesize of output 39 [2021-06-05 06:04:20,903 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,149 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-05 06:04:21,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:21,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,159 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 53 treesize of output 33 [2021-06-05 06:04:21,160 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,169 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 59 treesize of output 35 [2021-06-05 06:04:21,170 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,179 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 69 treesize of output 41 [2021-06-05 06:04:21,180 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,189 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 69 treesize of output 41 [2021-06-05 06:04:21,191 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,200 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 55 treesize of output 35 [2021-06-05 06:04:21,202 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,211 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 57 treesize of output 33 [2021-06-05 06:04:21,212 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,222 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 63 treesize of output 39 [2021-06-05 06:04:21,223 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,232 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 65 treesize of output 41 [2021-06-05 06:04:21,234 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,243 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 39 [2021-06-05 06:04:21,244 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,254 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 53 treesize of output 33 [2021-06-05 06:04:21,255 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,268 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 55 treesize of output 35 [2021-06-05 06:04:21,270 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,280 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 59 treesize of output 35 [2021-06-05 06:04:21,281 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,290 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 39 [2021-06-05 06:04:21,291 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,300 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 63 treesize of output 39 [2021-06-05 06:04:21,301 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,310 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 65 treesize of output 41 [2021-06-05 06:04:21,311 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:21,316 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 57 treesize of output 33 [2021-06-05 06:04:21,318 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,427 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2021-06-05 06:04:21,427 INFO L628 ElimStorePlain]: treesize reduction 236, result has 35.0 percent of original size [2021-06-05 06:04:21,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:04:21,428 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 3 variables, input treesize:1425, output treesize:127 [2021-06-05 06:04:21,682 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 20 treesize of output 14 [2021-06-05 06:04:21,683 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,686 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 15 treesize of output 11 [2021-06-05 06:04:21,687 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,698 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 06:04:21,698 INFO L518 ElimStorePlain]: Eliminatee v_prenex_276 vanished before elimination [2021-06-05 06:04:21,699 INFO L518 ElimStorePlain]: Eliminatee v_prenex_277 vanished before elimination [2021-06-05 06:04:21,699 INFO L518 ElimStorePlain]: Eliminatee v_prenex_278 vanished before elimination [2021-06-05 06:04:21,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:21,699 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 06:04:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:21,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58283777] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:21,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:04:21,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-05 06:04:21,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399726330] [2021-06-05 06:04:21,705 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:04:21,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:04:21,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:04:21,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:04:21,705 INFO L87 Difference]: Start difference. First operand 5024 states and 17986 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) [2021-06-05 06:04:22,661 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2021-06-05 06:04:22,881 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2021-06-05 06:04:23,264 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-06-05 06:04:23,681 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-06-05 06:04:24,010 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2021-06-05 06:04:24,303 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-05 06:04:24,430 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2021-06-05 06:04:24,661 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-06-05 06:04:25,020 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-06-05 06:04:25,223 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-06-05 06:04:25,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:04:25,633 INFO L93 Difference]: Finished difference Result 9838 states and 33027 transitions. [2021-06-05 06:04:25,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 06:04:25,633 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) Word has length 33 [2021-06-05 06:04:25,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:04:25,648 INFO L225 Difference]: With dead ends: 9838 [2021-06-05 06:04:25,648 INFO L226 Difference]: Without dead ends: 9476 [2021-06-05 06:04:25,649 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 3619.1ms TimeCoverageRelationStatistics Valid=445, Invalid=1811, Unknown=0, NotChecked=0, Total=2256 [2021-06-05 06:04:25,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9476 states. [2021-06-05 06:04:25,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9476 to 5662. [2021-06-05 06:04:25,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5662 states, 5661 states have (on average 3.5786963434022256) internal successors, (20259), 5661 states have internal predecessors, (20259), 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) [2021-06-05 06:04:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5662 states and 20259 transitions. [2021-06-05 06:04:25,752 INFO L78 Accepts]: Start accepts. Automaton has 5662 states and 20259 transitions. Word has length 33 [2021-06-05 06:04:25,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:04:25,752 INFO L482 AbstractCegarLoop]: Abstraction has 5662 states and 20259 transitions. [2021-06-05 06:04:25,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) [2021-06-05 06:04:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5662 states and 20259 transitions. [2021-06-05 06:04:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:04:25,764 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:04:25,764 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:04:25,986 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1258,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:25,987 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:04:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:04:25,987 INFO L82 PathProgramCache]: Analyzing trace with hash 875509148, now seen corresponding path program 18 times [2021-06-05 06:04:25,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:04:25,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911143222] [2021-06-05 06:04:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:04:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:26,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:04:26,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911143222] [2021-06-05 06:04:26,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911143222] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:26,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412163177] [2021-06-05 06:04:26,668 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 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 [2021-06-05 06:04:26,709 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-05 06:04:26,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:04:26,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:04:26,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:04:26,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:04:26,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:26,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:26,827 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:26,827 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:04:27,221 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-06-05 06:04:28,094 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 50 treesize of output 36 [2021-06-05 06:04:28,097 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,107 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 52 treesize of output 36 [2021-06-05 06:04:28,110 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,121 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 41 treesize of output 29 [2021-06-05 06:04:28,124 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,135 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 41 treesize of output 29 [2021-06-05 06:04:28,138 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,150 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 43 treesize of output 29 [2021-06-05 06:04:28,153 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,165 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 50 treesize of output 36 [2021-06-05 06:04:28,168 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,179 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 52 treesize of output 36 [2021-06-05 06:04:28,182 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,192 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 41 treesize of output 29 [2021-06-05 06:04:28,194 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,207 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 43 treesize of output 29 [2021-06-05 06:04:28,209 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2021-06-05 06:04:28,225 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,236 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 43 treesize of output 29 [2021-06-05 06:04:28,238 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,252 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 43 treesize of output 29 [2021-06-05 06:04:28,254 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,265 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 43 treesize of output 29 [2021-06-05 06:04:28,267 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,284 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 41 treesize of output 29 [2021-06-05 06:04:28,286 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,299 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 41 treesize of output 29 [2021-06-05 06:04:28,302 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,317 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 52 treesize of output 36 [2021-06-05 06:04:28,319 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,339 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 52 treesize of output 36 [2021-06-05 06:04:28,342 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,368 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 50 treesize of output 36 [2021-06-05 06:04:28,371 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,386 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 50 treesize of output 36 [2021-06-05 06:04:28,389 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,404 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 50 treesize of output 36 [2021-06-05 06:04:28,407 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,428 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 50 treesize of output 36 [2021-06-05 06:04:28,434 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,454 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 41 treesize of output 29 [2021-06-05 06:04:28,457 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,487 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 41 treesize of output 29 [2021-06-05 06:04:28,489 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,504 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 50 treesize of output 36 [2021-06-05 06:04:28,506 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,521 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 43 treesize of output 29 [2021-06-05 06:04:28,523 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,540 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 52 treesize of output 36 [2021-06-05 06:04:28,542 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,559 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 52 treesize of output 36 [2021-06-05 06:04:28,561 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,594 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 41 treesize of output 29 [2021-06-05 06:04:28,596 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,622 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 43 treesize of output 29 [2021-06-05 06:04:28,624 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,642 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 50 treesize of output 36 [2021-06-05 06:04:28,644 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,664 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 52 treesize of output 36 [2021-06-05 06:04:28,666 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:28,689 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 43 treesize of output 29 [2021-06-05 06:04:28,691 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:30,639 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 265 [2021-06-05 06:04:30,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:30,680 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 44 treesize of output 30 [2021-06-05 06:04:30,682 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:30,718 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 46 treesize of output 30 [2021-06-05 06:04:30,721 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:30,761 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 37 treesize of output 25 [2021-06-05 06:04:30,763 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:30,802 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 52 treesize of output 34 [2021-06-05 06:04:30,804 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:30,878 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 44 treesize of output 30 [2021-06-05 06:04:30,881 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:30,920 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 39 treesize of output 25 [2021-06-05 06:04:30,922 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:30,961 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 37 treesize of output 25 [2021-06-05 06:04:30,963 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:30,994 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 39 treesize of output 25 [2021-06-05 06:04:30,996 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,026 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 52 treesize of output 34 [2021-06-05 06:04:31,029 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,054 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 52 treesize of output 34 [2021-06-05 06:04:31,056 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,085 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 39 treesize of output 25 [2021-06-05 06:04:31,087 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,115 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 50 treesize of output 34 [2021-06-05 06:04:31,117 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,144 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 44 treesize of output 30 [2021-06-05 06:04:31,146 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,179 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 46 treesize of output 30 [2021-06-05 06:04:31,181 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,211 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 39 treesize of output 25 [2021-06-05 06:04:31,213 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,242 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 46 treesize of output 30 [2021-06-05 06:04:31,244 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,276 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 37 treesize of output 25 [2021-06-05 06:04:31,278 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,309 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 39 treesize of output 25 [2021-06-05 06:04:31,311 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,343 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 37 treesize of output 25 [2021-06-05 06:04:31,345 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,373 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 37 treesize of output 25 [2021-06-05 06:04:31,375 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,409 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 39 treesize of output 25 [2021-06-05 06:04:31,411 INFO L550 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,443 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 50 treesize of output 34 [2021-06-05 06:04:31,445 INFO L550 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,477 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 39 treesize of output 25 [2021-06-05 06:04:31,479 INFO L550 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,509 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 50 treesize of output 34 [2021-06-05 06:04:31,512 INFO L550 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,542 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 50 treesize of output 34 [2021-06-05 06:04:31,544 INFO L550 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,576 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 37 treesize of output 25 [2021-06-05 06:04:31,578 INFO L550 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,607 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 44 treesize of output 30 [2021-06-05 06:04:31,609 INFO L550 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,643 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 37 treesize of output 25 [2021-06-05 06:04:31,645 INFO L550 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,675 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 46 treesize of output 30 [2021-06-05 06:04:31,678 INFO L550 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,710 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 39 treesize of output 25 [2021-06-05 06:04:31,712 INFO L550 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,741 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 52 treesize of output 34 [2021-06-05 06:04:31,743 INFO L550 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:31,766 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 37 treesize of output 25 [2021-06-05 06:04:31,768 INFO L550 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:04:33,396 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 327 [2021-06-05 06:04:33,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:33,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:04:33,419 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,446 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,473 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:04:33,508 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:04:33,546 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,581 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,617 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:04:33,650 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,684 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,718 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:04:33,754 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:04:33,778 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-05 06:04:33,802 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-05 06:04:33,826 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-05 06:04:33,851 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,876 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,903 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,928 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:33,954 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:33,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:04:33,979 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:04:34,005 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:34,031 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:04:34,057 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-06-05 06:04:34,084 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:34,110 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:34,137 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:04:34,164 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:34,190 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2021-06-05 06:04:34,217 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 06:04:34,245 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:34,272 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-06-05 06:04:34,298 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:34,767 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-05 06:04:34,768 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:34,795 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 17 xjuncts. [2021-06-05 06:04:34,795 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 3 variables, input treesize:2241, output treesize:405 [2021-06-05 06:04:34,940 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2021-06-05 06:04:34,983 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 20 treesize of output 12 [2021-06-05 06:04:34,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:35,002 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 06:04:35,002 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 06:04:35,003 INFO L518 ElimStorePlain]: Eliminatee v_prenex_281 vanished before elimination [2021-06-05 06:04:35,003 INFO L518 ElimStorePlain]: Eliminatee v_prenex_279 vanished before elimination [2021-06-05 06:04:35,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:35,003 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 06:04:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:35,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412163177] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:35,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:04:35,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 06:04:35,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565463725] [2021-06-05 06:04:35,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:04:35,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:04:35,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:04:35,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:04:35,010 INFO L87 Difference]: Start difference. First operand 5662 states and 20259 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) [2021-06-05 06:04:35,540 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-06-05 06:04:35,784 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-06-05 06:04:36,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:04:36,097 INFO L93 Difference]: Finished difference Result 7340 states and 25658 transitions. [2021-06-05 06:04:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 06:04:36,105 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) Word has length 33 [2021-06-05 06:04:36,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:04:36,120 INFO L225 Difference]: With dead ends: 7340 [2021-06-05 06:04:36,120 INFO L226 Difference]: Without dead ends: 7145 [2021-06-05 06:04:36,120 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1546.7ms TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-06-05 06:04:36,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7145 states. [2021-06-05 06:04:36,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7145 to 5610. [2021-06-05 06:04:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5610 states, 5609 states have (on average 3.5785344981280085) internal successors, (20072), 5609 states have internal predecessors, (20072), 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) [2021-06-05 06:04:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 20072 transitions. [2021-06-05 06:04:36,207 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 20072 transitions. Word has length 33 [2021-06-05 06:04:36,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:04:36,207 INFO L482 AbstractCegarLoop]: Abstraction has 5610 states and 20072 transitions. [2021-06-05 06:04:36,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 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) [2021-06-05 06:04:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 20072 transitions. [2021-06-05 06:04:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:04:36,217 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:04:36,217 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:04:36,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1305 [2021-06-05 06:04:36,420 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:04:36,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:04:36,420 INFO L82 PathProgramCache]: Analyzing trace with hash 129571106, now seen corresponding path program 19 times [2021-06-05 06:04:36,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:04:36,420 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035626808] [2021-06-05 06:04:36,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:04:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:36,827 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-06-05 06:04:36,968 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-06-05 06:04:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:37,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:04:37,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035626808] [2021-06-05 06:04:37,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035626808] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:37,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232822820] [2021-06-05 06:04:37,070 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 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 [2021-06-05 06:04:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:37,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:04:37,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:04:37,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:04:37,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:37,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 06:04:37,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:37,289 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:37,297 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:37,304 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:37,311 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:37,389 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:04:37,389 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:285, output treesize:281 [2021-06-05 06:04:37,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,730 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 57 treesize of output 39 [2021-06-05 06:04:37,732 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,748 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 61 treesize of output 39 [2021-06-05 06:04:37,749 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,764 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 57 treesize of output 39 [2021-06-05 06:04:37,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:37,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:37,773 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 61 treesize of output 39 [2021-06-05 06:04:37,774 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:38,213 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-05 06:04:38,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:38,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:38,224 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 55 treesize of output 35 [2021-06-05 06:04:38,225 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:38,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:38,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:38,236 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 69 treesize of output 41 [2021-06-05 06:04:38,237 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:38,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:38,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:38,248 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 59 treesize of output 35 [2021-06-05 06:04:38,249 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:38,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:38,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:38,257 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 65 treesize of output 41 [2021-06-05 06:04:38,258 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:38,998 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-06-05 06:04:38,998 INFO L628 ElimStorePlain]: treesize reduction 26, result has 97.6 percent of original size [2021-06-05 06:04:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,009 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 61 treesize of output 39 [2021-06-05 06:04:39,010 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,021 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 57 treesize of output 39 [2021-06-05 06:04:39,022 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,032 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 61 treesize of output 39 [2021-06-05 06:04:39,033 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,040 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 57 treesize of output 39 [2021-06-05 06:04:39,041 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,363 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-05 06:04:39,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:39,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,374 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 65 treesize of output 41 [2021-06-05 06:04:39,375 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,385 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 55 treesize of output 35 [2021-06-05 06:04:39,386 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,396 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 59 treesize of output 35 [2021-06-05 06:04:39,397 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:39,403 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 69 treesize of output 41 [2021-06-05 06:04:39,405 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,538 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2021-06-05 06:04:39,538 INFO L628 ElimStorePlain]: treesize reduction 702, result has 13.2 percent of original size [2021-06-05 06:04:39,538 INFO L518 ElimStorePlain]: Eliminatee v_prenex_284 vanished before elimination [2021-06-05 06:04:39,538 INFO L518 ElimStorePlain]: Eliminatee v_prenex_285 vanished before elimination [2021-06-05 06:04:39,538 INFO L518 ElimStorePlain]: Eliminatee v_prenex_286 vanished before elimination [2021-06-05 06:04:39,538 INFO L518 ElimStorePlain]: Eliminatee v_prenex_287 vanished before elimination [2021-06-05 06:04:39,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:04:39,539 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:1329, output treesize:107 [2021-06-05 06:04:39,766 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 20 treesize of output 12 [2021-06-05 06:04:39,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,784 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 06:04:39,784 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 06:04:39,784 INFO L518 ElimStorePlain]: Eliminatee v_prenex_288 vanished before elimination [2021-06-05 06:04:39,784 INFO L518 ElimStorePlain]: Eliminatee v_prenex_289 vanished before elimination [2021-06-05 06:04:39,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:39,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 06:04:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:39,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232822820] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:39,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:04:39,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 06:04:39,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70258640] [2021-06-05 06:04:39,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 06:04:39,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:04:39,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 06:04:39,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-06-05 06:04:39,791 INFO L87 Difference]: Start difference. First operand 5610 states and 20072 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) [2021-06-05 06:04:40,200 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2021-06-05 06:04:40,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:04:40,476 INFO L93 Difference]: Finished difference Result 7215 states and 25241 transitions. [2021-06-05 06:04:40,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 06:04:40,476 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) Word has length 33 [2021-06-05 06:04:40,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:04:40,488 INFO L225 Difference]: With dead ends: 7215 [2021-06-05 06:04:40,488 INFO L226 Difference]: Without dead ends: 7120 [2021-06-05 06:04:40,488 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1215.1ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:04:40,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7120 states. [2021-06-05 06:04:40,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7120 to 5721. [2021-06-05 06:04:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5721 states, 5720 states have (on average 3.573776223776224) internal successors, (20442), 5720 states have internal predecessors, (20442), 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) [2021-06-05 06:04:40,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 20442 transitions. [2021-06-05 06:04:40,580 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 20442 transitions. Word has length 33 [2021-06-05 06:04:40,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:04:40,580 INFO L482 AbstractCegarLoop]: Abstraction has 5721 states and 20442 transitions. [2021-06-05 06:04:40,580 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) [2021-06-05 06:04:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 20442 transitions. [2021-06-05 06:04:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:04:40,590 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:04:40,590 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:04:40,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1470,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:40,791 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:04:40,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:04:40,791 INFO L82 PathProgramCache]: Analyzing trace with hash 800704726, now seen corresponding path program 20 times [2021-06-05 06:04:40,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:04:40,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923080708] [2021-06-05 06:04:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:04:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:41,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:04:41,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923080708] [2021-06-05 06:04:41,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923080708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:41,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207166527] [2021-06-05 06:04:41,208 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 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 [2021-06-05 06:04:41,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 06:04:41,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:04:41,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:04:41,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:04:41,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:04:41,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:41,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:41,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:41,335 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:04:41,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:04:41,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:41,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:04:41,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:41,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:04:41,430 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:41,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:04:41,435 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:41,504 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:41,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:04:41,505 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-06-05 06:04:41,789 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 06:04:42,364 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 51 treesize of output 35 [2021-06-05 06:04:42,366 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:42,381 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 40 treesize of output 28 [2021-06-05 06:04:42,383 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:42,398 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 40 treesize of output 28 [2021-06-05 06:04:42,400 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:42,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2021-06-05 06:04:42,417 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:42,432 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 49 treesize of output 35 [2021-06-05 06:04:42,434 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:42,447 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 42 treesize of output 28 [2021-06-05 06:04:42,448 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:42,459 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 49 treesize of output 35 [2021-06-05 06:04:42,460 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:42,467 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 51 treesize of output 35 [2021-06-05 06:04:42,469 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:43,553 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2021-06-05 06:04:43,554 INFO L628 ElimStorePlain]: treesize reduction 500, result has 76.2 percent of original size [2021-06-05 06:04:43,564 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 49 treesize of output 35 [2021-06-05 06:04:43,566 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:43,576 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 49 treesize of output 35 [2021-06-05 06:04:43,577 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:43,588 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 51 treesize of output 35 [2021-06-05 06:04:43,592 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:43,603 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 42 treesize of output 28 [2021-06-05 06:04:43,604 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:43,614 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 51 treesize of output 35 [2021-06-05 06:04:43,615 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:43,626 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 40 treesize of output 28 [2021-06-05 06:04:43,627 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:43,637 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 40 treesize of output 28 [2021-06-05 06:04:43,638 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:43,645 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 42 treesize of output 28 [2021-06-05 06:04:43,646 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:44,537 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2021-06-05 06:04:44,537 INFO L628 ElimStorePlain]: treesize reduction 200, result has 86.4 percent of original size [2021-06-05 06:04:44,546 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 42 treesize of output 28 [2021-06-05 06:04:44,548 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:44,556 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 36 treesize of output 24 [2021-06-05 06:04:44,558 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:44,566 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 44 treesize of output 28 [2021-06-05 06:04:44,567 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:44,574 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 38 treesize of output 24 [2021-06-05 06:04:44,575 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:45,149 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2021-06-05 06:04:45,150 INFO L628 ElimStorePlain]: treesize reduction 302, result has 73.6 percent of original size [2021-06-05 06:04:45,158 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 51 treesize of output 33 [2021-06-05 06:04:45,159 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:45,167 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 49 treesize of output 33 [2021-06-05 06:04:45,168 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:45,176 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 57 treesize of output 37 [2021-06-05 06:04:45,177 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:45,182 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 55 treesize of output 37 [2021-06-05 06:04:45,183 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:45,308 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2021-06-05 06:04:45,309 INFO L628 ElimStorePlain]: treesize reduction 604, result has 13.8 percent of original size [2021-06-05 06:04:45,309 INFO L518 ElimStorePlain]: Eliminatee v_prenex_293 vanished before elimination [2021-06-05 06:04:45,309 INFO L518 ElimStorePlain]: Eliminatee v_prenex_294 vanished before elimination [2021-06-05 06:04:45,309 INFO L518 ElimStorePlain]: Eliminatee v_prenex_295 vanished before elimination [2021-06-05 06:04:45,309 INFO L518 ElimStorePlain]: Eliminatee v_prenex_296 vanished before elimination [2021-06-05 06:04:45,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:04:45,310 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 8 variables, input treesize:2241, output treesize:97 [2021-06-05 06:04:45,401 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 20 treesize of output 12 [2021-06-05 06:04:45,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:45,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:04:45,404 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:45,418 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-06-05 06:04:45,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_297 vanished before elimination [2021-06-05 06:04:45,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_298 vanished before elimination [2021-06-05 06:04:45,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_299 vanished before elimination [2021-06-05 06:04:45,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:45,419 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-06-05 06:04:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:45,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207166527] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:45,426 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:04:45,426 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 06:04:45,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447820868] [2021-06-05 06:04:45,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 06:04:45,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:04:45,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 06:04:45,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-06-05 06:04:45,427 INFO L87 Difference]: Start difference. First operand 5721 states and 20442 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) [2021-06-05 06:04:45,819 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2021-06-05 06:04:46,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:04:46,117 INFO L93 Difference]: Finished difference Result 8167 states and 28538 transitions. [2021-06-05 06:04:46,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 06:04:46,118 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) Word has length 33 [2021-06-05 06:04:46,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:04:46,131 INFO L225 Difference]: With dead ends: 8167 [2021-06-05 06:04:46,132 INFO L226 Difference]: Without dead ends: 7964 [2021-06-05 06:04:46,132 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1015.6ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:04:46,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-06-05 06:04:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 5826. [2021-06-05 06:04:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 5825 states have (on average 3.568755364806867) internal successors, (20788), 5825 states have internal predecessors, (20788), 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) [2021-06-05 06:04:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 20788 transitions. [2021-06-05 06:04:46,259 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 20788 transitions. Word has length 33 [2021-06-05 06:04:46,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:04:46,259 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 20788 transitions. [2021-06-05 06:04:46,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) [2021-06-05 06:04:46,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 20788 transitions. [2021-06-05 06:04:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:04:46,268 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:04:46,268 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:04:46,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1529,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:46,469 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:04:46,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:04:46,470 INFO L82 PathProgramCache]: Analyzing trace with hash 834031778, now seen corresponding path program 21 times [2021-06-05 06:04:46,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:04:46,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158941432] [2021-06-05 06:04:46,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:04:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:46,787 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2021-06-05 06:04:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:47,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:04:47,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158941432] [2021-06-05 06:04:47,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158941432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:47,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353605997] [2021-06-05 06:04:47,084 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:47,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 06:04:47,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:04:47,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 06:04:47,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:04:47,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:04:47,202 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:47,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:47,213 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:47,213 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:04:47,306 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 06:04:47,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:04:47,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:47,321 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 06:04:47,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:04:47,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:47,337 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 06:04:47,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:04:47,338 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:47,353 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-06-05 06:04:47,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:04:47,354 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:47,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:47,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-05 06:04:47,444 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:285, output treesize:281 [2021-06-05 06:04:48,184 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-05 06:04:48,439 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-05 06:04:48,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:48,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:48,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:48,608 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 06:04:48,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:48,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:48,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:48,616 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-06-05 06:04:48,617 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,128 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2021-06-05 06:04:49,129 INFO L628 ElimStorePlain]: treesize reduction 58, result has 92.4 percent of original size [2021-06-05 06:04:49,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:49,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:49,137 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 06:04:49,138 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,144 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 23 treesize of output 19 [2021-06-05 06:04:49,145 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,361 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-05 06:04:49,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:49,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,368 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 28 treesize of output 22 [2021-06-05 06:04:49,369 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:49,375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 06:04:49,376 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,580 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-06-05 06:04:49,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:49,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,587 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 28 treesize of output 22 [2021-06-05 06:04:49,589 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:49,594 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 06:04:49,595 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,787 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-05 06:04:49,787 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:49,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,794 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 28 treesize of output 22 [2021-06-05 06:04:49,795 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:49,800 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 06:04:49,801 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,982 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-05 06:04:49,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:49,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:49,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:04:49,990 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-05 06:04:49,991 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:49,996 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 23 treesize of output 19 [2021-06-05 06:04:49,998 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:50,170 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-05 06:04:50,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:50,178 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 12 xjuncts. [2021-06-05 06:04:50,179 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:799, output treesize:481 [2021-06-05 06:04:50,562 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2021-06-05 06:04:51,123 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_327, A, B, v_prenex_318, v_prenex_319, v_prenex_320, v_prenex_310, v_prenex_321, v_prenex_311, v_prenex_322, v_prenex_323, v_prenex_326], 3=[v_prenex_316, v_prenex_317, v_prenex_312, v_prenex_313, v_prenex_324, v_prenex_314, v_prenex_325, v_prenex_315]} [2021-06-05 06:04:51,140 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 29 treesize of output 17 [2021-06-05 06:04:51,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:51,157 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 27 treesize of output 17 [2021-06-05 06:04:51,159 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:51,174 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 27 treesize of output 17 [2021-06-05 06:04:51,175 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:51,187 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 29 treesize of output 17 [2021-06-05 06:04:51,188 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:52,182 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-06-05 06:04:52,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:52,197 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 27 treesize of output 17 [2021-06-05 06:04:52,198 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:52,214 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 29 treesize of output 17 [2021-06-05 06:04:52,215 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:52,231 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 29 treesize of output 17 [2021-06-05 06:04:52,232 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:52,244 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 27 treesize of output 17 [2021-06-05 06:04:52,245 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:53,158 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-06-05 06:04:53,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:53,174 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 25 treesize of output 15 [2021-06-05 06:04:53,175 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:53,187 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 27 treesize of output 15 [2021-06-05 06:04:53,188 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:53,549 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 5 [2021-06-05 06:04:53,549 INFO L628 ElimStorePlain]: treesize reduction 1621, result has 0.3 percent of original size [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_318 vanished before elimination [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_319 vanished before elimination [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_320 vanished before elimination [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_310 vanished before elimination [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_321 vanished before elimination [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_311 vanished before elimination [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_322 vanished before elimination [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_323 vanished before elimination [2021-06-05 06:04:53,549 INFO L518 ElimStorePlain]: Eliminatee v_prenex_326 vanished before elimination [2021-06-05 06:04:53,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_316 vanished before elimination [2021-06-05 06:04:53,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_317 vanished before elimination [2021-06-05 06:04:53,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_312 vanished before elimination [2021-06-05 06:04:53,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_313 vanished before elimination [2021-06-05 06:04:53,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_324 vanished before elimination [2021-06-05 06:04:53,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_314 vanished before elimination [2021-06-05 06:04:53,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_325 vanished before elimination [2021-06-05 06:04:53,550 INFO L518 ElimStorePlain]: Eliminatee v_prenex_315 vanished before elimination [2021-06-05 06:04:53,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:53,550 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 24 variables, input treesize:1937, output treesize:5 [2021-06-05 06:04:53,560 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:53,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353605997] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:53,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:04:53,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 06:04:53,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44673860] [2021-06-05 06:04:53,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 06:04:53,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:04:53,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 06:04:53,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2021-06-05 06:04:53,561 INFO L87 Difference]: Start difference. First operand 5826 states and 20788 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 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) [2021-06-05 06:04:53,787 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-05 06:04:54,341 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-06-05 06:04:54,690 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2021-06-05 06:04:54,905 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-05 06:04:55,136 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-06-05 06:04:55,505 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-05 06:04:55,747 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-05 06:04:56,217 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 112 [2021-06-05 06:04:56,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:04:56,394 INFO L93 Difference]: Finished difference Result 7804 states and 27257 transitions. [2021-06-05 06:04:56,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 06:04:56,394 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 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) Word has length 33 [2021-06-05 06:04:56,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:04:56,409 INFO L225 Difference]: With dead ends: 7804 [2021-06-05 06:04:56,409 INFO L226 Difference]: Without dead ends: 7616 [2021-06-05 06:04:56,409 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3717.7ms TimeCoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 06:04:56,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2021-06-05 06:04:56,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 5834. [2021-06-05 06:04:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5834 states, 5833 states have (on average 3.5739756557517572) internal successors, (20847), 5833 states have internal predecessors, (20847), 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) [2021-06-05 06:04:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 20847 transitions. [2021-06-05 06:04:56,522 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 20847 transitions. Word has length 33 [2021-06-05 06:04:56,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:04:56,522 INFO L482 AbstractCegarLoop]: Abstraction has 5834 states and 20847 transitions. [2021-06-05 06:04:56,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 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) [2021-06-05 06:04:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 20847 transitions. [2021-06-05 06:04:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:04:56,530 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:04:56,530 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:04:56,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1692,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:56,731 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:04:56,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:04:56,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1088923614, now seen corresponding path program 22 times [2021-06-05 06:04:56,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:04:56,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457570543] [2021-06-05 06:04:56,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:04:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:57,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:04:57,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457570543] [2021-06-05 06:04:57,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457570543] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:57,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503939337] [2021-06-05 06:04:57,148 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:57,188 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 06:04:57,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:04:57,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 06:04:57,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:04:57,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:04:57,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:57,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,323 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 06:04:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:04:57,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:04:57,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:57,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,389 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 06:04:57,725 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 47 treesize of output 35 [2021-06-05 06:04:57,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,732 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 51 treesize of output 35 [2021-06-05 06:04:57,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,740 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 47 treesize of output 35 [2021-06-05 06:04:57,741 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,748 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 47 treesize of output 35 [2021-06-05 06:04:57,749 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,756 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 49 treesize of output 35 [2021-06-05 06:04:57,757 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,763 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 47 treesize of output 35 [2021-06-05 06:04:57,765 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,771 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 49 treesize of output 35 [2021-06-05 06:04:57,773 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,779 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 51 treesize of output 35 [2021-06-05 06:04:57,780 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,787 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 51 treesize of output 35 [2021-06-05 06:04:57,788 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,795 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 51 treesize of output 35 [2021-06-05 06:04:57,796 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,803 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 51 treesize of output 35 [2021-06-05 06:04:57,804 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,811 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 51 treesize of output 35 [2021-06-05 06:04:57,812 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,818 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 51 treesize of output 35 [2021-06-05 06:04:57,820 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,826 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 49 treesize of output 35 [2021-06-05 06:04:57,828 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,834 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 51 treesize of output 35 [2021-06-05 06:04:57,835 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:57,839 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 49 treesize of output 35 [2021-06-05 06:04:57,840 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,035 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-05 06:04:58,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:04:58,042 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 43 treesize of output 29 [2021-06-05 06:04:58,043 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,049 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 45 treesize of output 29 [2021-06-05 06:04:58,050 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,056 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 57 treesize of output 37 [2021-06-05 06:04:58,057 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,063 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 55 treesize of output 37 [2021-06-05 06:04:58,064 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,070 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 57 treesize of output 37 [2021-06-05 06:04:58,072 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,078 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 55 treesize of output 37 [2021-06-05 06:04:58,080 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,089 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 51 treesize of output 33 [2021-06-05 06:04:58,091 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,097 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 57 treesize of output 37 [2021-06-05 06:04:58,099 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,105 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 49 treesize of output 33 [2021-06-05 06:04:58,106 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,112 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 53 treesize of output 37 [2021-06-05 06:04:58,114 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,120 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 51 treesize of output 33 [2021-06-05 06:04:58,121 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,127 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 53 treesize of output 37 [2021-06-05 06:04:58,128 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,135 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 45 treesize of output 29 [2021-06-05 06:04:58,136 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,142 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 41 treesize of output 29 [2021-06-05 06:04:58,143 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,148 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 57 treesize of output 37 [2021-06-05 06:04:58,149 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,152 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 47 treesize of output 33 [2021-06-05 06:04:58,154 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,245 INFO L628 ElimStorePlain]: treesize reduction 157, result has 37.2 percent of original size [2021-06-05 06:04:58,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:04:58,247 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 2 variables, input treesize:1121, output treesize:93 [2021-06-05 06:04:58,463 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 20 treesize of output 14 [2021-06-05 06:04:58,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,467 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 27 treesize of output 17 [2021-06-05 06:04:58,468 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,485 INFO L628 ElimStorePlain]: treesize reduction 113, result has 4.2 percent of original size [2021-06-05 06:04:58,485 INFO L518 ElimStorePlain]: Eliminatee v_prenex_329 vanished before elimination [2021-06-05 06:04:58,485 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 06:04:58,485 INFO L518 ElimStorePlain]: Eliminatee v_prenex_330 vanished before elimination [2021-06-05 06:04:58,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:04:58,486 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-06-05 06:04:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:04:58,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503939337] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:04:58,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:04:58,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 06:04:58,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340329561] [2021-06-05 06:04:58,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 06:04:58,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:04:58,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 06:04:58,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2021-06-05 06:04:58,492 INFO L87 Difference]: Start difference. First operand 5834 states and 20847 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) [2021-06-05 06:04:59,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:04:59,048 INFO L93 Difference]: Finished difference Result 7356 states and 25813 transitions. [2021-06-05 06:04:59,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 06:04:59,048 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) Word has length 33 [2021-06-05 06:04:59,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:04:59,060 INFO L225 Difference]: With dead ends: 7356 [2021-06-05 06:04:59,061 INFO L226 Difference]: Without dead ends: 7261 [2021-06-05 06:04:59,061 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 829.5ms TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2021-06-05 06:04:59,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2021-06-05 06:04:59,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 5912. [2021-06-05 06:04:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5912 states, 5911 states have (on average 3.570631026899002) internal successors, (21106), 5911 states have internal predecessors, (21106), 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) [2021-06-05 06:04:59,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 21106 transitions. [2021-06-05 06:04:59,175 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 21106 transitions. Word has length 33 [2021-06-05 06:04:59,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:04:59,175 INFO L482 AbstractCegarLoop]: Abstraction has 5912 states and 21106 transitions. [2021-06-05 06:04:59,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 20 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) [2021-06-05 06:04:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 21106 transitions. [2021-06-05 06:04:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:04:59,185 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:04:59,185 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:04:59,386 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1859,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:04:59,386 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:04:59,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:04:59,386 INFO L82 PathProgramCache]: Analyzing trace with hash -417789994, now seen corresponding path program 23 times [2021-06-05 06:04:59,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:04:59,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118336336] [2021-06-05 06:04:59,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:04:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:04:59,841 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2021-06-05 06:05:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:05:00,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:05:00,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118336336] [2021-06-05 06:05:00,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118336336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:05:00,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632179427] [2021-06-05 06:05:00,055 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:05:00,092 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 06:05:00,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:05:00,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 06:05:00,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:05:00,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:05:00,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:00,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:00,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:05:00,283 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 06:05:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:00,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:05:00,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:00,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:00,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:05:00,344 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:64 [2021-06-05 06:05:01,245 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-05 06:05:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:01,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:01,966 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:01,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 83 [2021-06-05 06:05:01,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:02,065 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:02,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 06:05:02,091 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:02,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:02,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:02,172 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 06:05:02,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 06:05:02,174 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:02,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:02,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:02,227 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:02,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 45 [2021-06-05 06:05:02,229 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:06,851 WARN L205 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 368 DAG size of output: 346 [2021-06-05 06:05:06,852 INFO L628 ElimStorePlain]: treesize reduction 357, result has 88.8 percent of original size [2021-06-05 06:05:06,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:06,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:06,924 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:06,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 06:05:06,936 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:07,014 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:07,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 06:05:07,015 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:07,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:07,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:07,088 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:07,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 06:05:07,100 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:07,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:07,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:07,165 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:07,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 06:05:07,166 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:10,148 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 363 DAG size of output: 356 [2021-06-05 06:05:10,151 INFO L628 ElimStorePlain]: treesize reduction 112, result has 96.3 percent of original size [2021-06-05 06:05:10,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:10,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:10,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 06:05:10,247 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:10,329 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:10,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 06:05:10,343 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:10,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:10,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:10,426 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:10,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 06:05:10,427 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:10,484 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:10,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 06:05:10,485 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:15,284 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 379 DAG size of output: 365 [2021-06-05 06:05:15,286 INFO L628 ElimStorePlain]: treesize reduction 281, result has 91.1 percent of original size [2021-06-05 06:05:15,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:15,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:15,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 06:05:15,399 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:15,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:15,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:15,486 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:15,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 06:05:15,506 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:15,586 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 06:05:15,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 06:05:15,588 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:15,657 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-05 06:05:15,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 53 [2021-06-05 06:05:15,659 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:20,720 WARN L205 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 417 DAG size of output: 384 [2021-06-05 06:05:20,721 INFO L628 ElimStorePlain]: treesize reduction 617, result has 82.6 percent of original size [2021-06-05 06:05:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,807 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:20,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 124 [2021-06-05 06:05:20,860 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:20,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,919 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-05 06:05:20,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 43 [2021-06-05 06:05:20,921 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,973 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 06:05:20,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 114 treesize of output 1 [2021-06-05 06:05:20,974 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:21,004 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 06:05:21,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 1 [2021-06-05 06:05:21,005 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:24,027 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 378 DAG size of output: 358 [2021-06-05 06:05:24,028 INFO L628 ElimStorePlain]: treesize reduction 221, result has 92.4 percent of original size [2021-06-05 06:05:24,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,128 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:24,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 74 [2021-06-05 06:05:24,157 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 3 xjuncts. [2021-06-05 06:05:24,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,232 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-05 06:05:24,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 42 [2021-06-05 06:05:24,233 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:24,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,283 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 06:05:24,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 1 [2021-06-05 06:05:24,284 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:24,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:24,316 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 06:05:24,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 1 [2021-06-05 06:05:24,317 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:28,273 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 351 DAG size of output: 337 [2021-06-05 06:05:28,274 INFO L628 ElimStorePlain]: treesize reduction 145, result has 94.4 percent of original size [2021-06-05 06:05:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:28,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:28,351 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:28,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 76 [2021-06-05 06:05:28,369 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:28,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:28,452 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:28,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 06:05:28,467 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:28,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:28,546 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-05 06:05:28,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 44 [2021-06-05 06:05:28,548 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:28,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:28,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:28,614 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:28,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-05 06:05:28,615 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:32,820 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 365 DAG size of output: 351 [2021-06-05 06:05:32,821 INFO L628 ElimStorePlain]: treesize reduction 204, result has 92.4 percent of original size [2021-06-05 06:05:32,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:32,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:32,899 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:32,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 113 [2021-06-05 06:05:32,945 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 5 xjuncts. [2021-06-05 06:05:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:33,019 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:33,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 85 [2021-06-05 06:05:33,027 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:33,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:33,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:33,071 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 06:05:33,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 1 [2021-06-05 06:05:33,072 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:33,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:33,104 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 06:05:33,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-05 06:05:33,104 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:35,466 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 347 DAG size of output: 324 [2021-06-05 06:05:35,467 INFO L628 ElimStorePlain]: treesize reduction 209, result has 91.4 percent of original size [2021-06-05 06:05:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:35,545 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:35,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 76 [2021-06-05 06:05:35,565 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:35,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:35,657 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-05 06:05:35,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 42 [2021-06-05 06:05:35,658 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:35,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:35,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:35,736 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:35,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 76 [2021-06-05 06:05:35,748 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:35,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:35,815 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-05 06:05:35,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 42 [2021-06-05 06:05:35,817 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:39,666 WARN L205 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 353 DAG size of output: 341 [2021-06-05 06:05:39,667 INFO L628 ElimStorePlain]: treesize reduction 138, result has 94.3 percent of original size [2021-06-05 06:05:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,745 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:39,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 130 [2021-06-05 06:05:39,809 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 4 xjuncts. [2021-06-05 06:05:39,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,895 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-05 06:05:39,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 113 treesize of output 99 [2021-06-05 06:05:39,903 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:39,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,968 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-06-05 06:05:39,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 36 [2021-06-05 06:05:39,969 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:39,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:39,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:40,001 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-06-05 06:05:40,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 1 [2021-06-05 06:05:40,002 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:43,304 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 350 DAG size of output: 318 [2021-06-05 06:05:43,305 INFO L628 ElimStorePlain]: treesize reduction 270, result has 88.2 percent of original size [2021-06-05 06:05:43,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:43,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:43,382 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:43,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 06:05:43,405 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:43,490 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 06:05:43,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-05 06:05:43,491 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:43,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:43,573 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:43,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 06:05:43,589 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:43,651 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 06:05:43,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-05 06:05:43,652 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:45,880 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 369 DAG size of output: 346 [2021-06-05 06:05:45,881 INFO L628 ElimStorePlain]: treesize reduction 273, result has 88.8 percent of original size [2021-06-05 06:05:45,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:45,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:45,932 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:45,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 49 [2021-06-05 06:05:45,939 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:45,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:45,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:46,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:46,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 166 [2021-06-05 06:05:46,073 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2021-06-05 06:05:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:46,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:46,164 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-05 06:05:46,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 170 treesize of output 136 [2021-06-05 06:05:46,213 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:46,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:46,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:46,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:46,242 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 06:05:46,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2021-06-05 06:05:46,243 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:48,176 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 347 DAG size of output: 316 [2021-06-05 06:05:48,177 INFO L628 ElimStorePlain]: treesize reduction 378, result has 82.9 percent of original size [2021-06-05 06:05:48,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,248 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:48,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 179 treesize of output 173 [2021-06-05 06:05:48,358 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 4 xjuncts. [2021-06-05 06:05:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,414 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-06-05 06:05:48,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 43 [2021-06-05 06:05:48,416 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,466 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 06:05:48,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 1 [2021-06-05 06:05:48,466 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:48,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:48,500 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 06:05:48,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 137 treesize of output 1 [2021-06-05 06:05:48,501 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:50,950 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 318 DAG size of output: 279 [2021-06-05 06:05:50,951 INFO L628 ElimStorePlain]: treesize reduction 513, result has 74.2 percent of original size [2021-06-05 06:05:50,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:50,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:51,015 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:51,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 74 [2021-06-05 06:05:51,038 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:51,104 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:51,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 104 treesize of output 88 [2021-06-05 06:05:51,117 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:51,183 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-05 06:05:51,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-05 06:05:51,185 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:51,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:51,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:51,210 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 06:05:51,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 1 [2021-06-05 06:05:51,210 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:52,584 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 268 DAG size of output: 256 [2021-06-05 06:05:52,585 INFO L628 ElimStorePlain]: treesize reduction 98, result has 92.7 percent of original size [2021-06-05 06:05:52,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:52,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:52,651 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:52,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 83 [2021-06-05 06:05:52,667 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2021-06-05 06:05:52,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:52,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:52,740 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:52,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 83 [2021-06-05 06:05:52,754 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:52,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:52,827 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-05 06:05:52,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 55 [2021-06-05 06:05:52,828 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:52,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:52,879 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-06-05 06:05:52,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 49 [2021-06-05 06:05:52,880 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:54,365 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 297 DAG size of output: 282 [2021-06-05 06:05:54,366 INFO L628 ElimStorePlain]: treesize reduction 181, result has 88.4 percent of original size [2021-06-05 06:05:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,435 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:54,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 165 treesize of output 167 [2021-06-05 06:05:54,570 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 4 xjuncts. [2021-06-05 06:05:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,613 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 06:05:54,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 1 [2021-06-05 06:05:54,614 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:54,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,669 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-06-05 06:05:54,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2021-06-05 06:05:54,671 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:54,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:54,702 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-05 06:05:54,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 1 [2021-06-05 06:05:54,703 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:56,002 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 297 DAG size of output: 251 [2021-06-05 06:05:56,002 INFO L628 ElimStorePlain]: treesize reduction 599, result has 63.8 percent of original size [2021-06-05 06:05:56,098 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 16 dim-1 vars, End of recursive call: 16 dim-0 vars, and 17 xjuncts. [2021-06-05 06:05:56,099 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 24 variables, input treesize:2689, output treesize:1046 [2021-06-05 06:05:56,478 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 100 [2021-06-05 06:05:57,278 INFO L446 ElimStorePlain]: Different costs {3=[C, v_prenex_376], 5=[v_prenex_375]} [2021-06-05 06:05:57,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:57,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:05:57,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:05:57,284 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2021-06-05 06:05:57,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:57,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:57,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:05:57,288 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2021-06-05 06:05:57,289 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:57,358 INFO L628 ElimStorePlain]: treesize reduction 42, result has 69.8 percent of original size [2021-06-05 06:05:57,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:57,362 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 17 treesize of output 11 [2021-06-05 06:05:57,363 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:57,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:57,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:05:57,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:05:57,397 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 06:05:57,398 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:57,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:05:57,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:05:57,401 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-06-05 06:05:57,402 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:05:57,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:05:57,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:05:57,417 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:190, output treesize:5 [2021-06-05 06:05:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:05:57,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632179427] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:05:57,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:05:57,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-05 06:05:57,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63669915] [2021-06-05 06:05:57,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:05:57,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:05:57,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:05:57,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=453, Unknown=1, NotChecked=0, Total=552 [2021-06-05 06:05:57,423 INFO L87 Difference]: Start difference. First operand 5912 states and 21106 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) [2021-06-05 06:05:58,121 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-06-05 06:05:59,006 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-06-05 06:05:59,508 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 92 [2021-06-05 06:05:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:05:59,815 INFO L93 Difference]: Finished difference Result 9409 states and 32339 transitions. [2021-06-05 06:05:59,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 06:05:59,815 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) Word has length 33 [2021-06-05 06:05:59,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:05:59,830 INFO L225 Difference]: With dead ends: 9409 [2021-06-05 06:05:59,830 INFO L226 Difference]: Without dead ends: 9201 [2021-06-05 06:05:59,831 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 13 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 3597.4ms TimeCoverageRelationStatistics Valid=320, Invalid=1749, Unknown=1, NotChecked=0, Total=2070 [2021-06-05 06:05:59,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9201 states. [2021-06-05 06:05:59,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9201 to 6206. [2021-06-05 06:05:59,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6206 states, 6205 states have (on average 3.5613215149073327) internal successors, (22098), 6205 states have internal predecessors, (22098), 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) [2021-06-05 06:05:59,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6206 states to 6206 states and 22098 transitions. [2021-06-05 06:05:59,928 INFO L78 Accepts]: Start accepts. Automaton has 6206 states and 22098 transitions. Word has length 33 [2021-06-05 06:05:59,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:05:59,928 INFO L482 AbstractCegarLoop]: Abstraction has 6206 states and 22098 transitions. [2021-06-05 06:05:59,928 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) [2021-06-05 06:05:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6206 states and 22098 transitions. [2021-06-05 06:05:59,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:05:59,937 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:05:59,937 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:06:00,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1913,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:00,138 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:06:00,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:06:00,138 INFO L82 PathProgramCache]: Analyzing trace with hash -384462942, now seen corresponding path program 24 times [2021-06-05 06:06:00,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:06:00,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936486653] [2021-06-05 06:06:00,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:06:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:06:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:00,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:06:00,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936486653] [2021-06-05 06:06:00,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936486653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:00,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525283887] [2021-06-05 06:06:00,658 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:00,687 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 06:06:00,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:06:00,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-05 06:06:00,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:06:00,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:06:00,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:00,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:00,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:00,785 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:06:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:00,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:00,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:00,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:00,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:00,857 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-06-05 06:06:01,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,166 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:01,166 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 34 treesize of output 44 [2021-06-05 06:06:01,169 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-05 06:06:01,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,188 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:01,188 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 34 treesize of output 44 [2021-06-05 06:06:01,191 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-05 06:06:01,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,216 INFO L354 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2021-06-05 06:06:01,216 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 45 treesize of output 43 [2021-06-05 06:06:01,218 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:01,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:01,239 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 34 treesize of output 44 [2021-06-05 06:06:01,242 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-05 06:06:01,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,259 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 06:06:01,259 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 45 treesize of output 32 [2021-06-05 06:06:01,260 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:01,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,280 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:01,280 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 34 treesize of output 44 [2021-06-05 06:06:01,284 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-05 06:06:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,304 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:01,304 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 40 treesize of output 50 [2021-06-05 06:06:01,307 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-05 06:06:01,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,328 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:01,328 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 40 treesize of output 50 [2021-06-05 06:06:01,332 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-05 06:06:01,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:01,337 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,354 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 06:06:01,355 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 45 treesize of output 32 [2021-06-05 06:06:01,356 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,369 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-06-05 06:06:01,369 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 45 treesize of output 29 [2021-06-05 06:06:01,370 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:01,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:01,387 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 40 treesize of output 50 [2021-06-05 06:06:01,390 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-06-05 06:06:01,966 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2021-06-05 06:06:01,966 INFO L628 ElimStorePlain]: treesize reduction 430, result has 60.0 percent of original size [2021-06-05 06:06:01,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 06:06:01,977 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:1017, output treesize:790 [2021-06-05 06:06:02,360 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-06-05 06:06:03,978 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 29 treesize of output 17 [2021-06-05 06:06:03,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:04,006 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 27 treesize of output 17 [2021-06-05 06:06:04,008 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:04,036 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 27 treesize of output 17 [2021-06-05 06:06:04,038 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:04,060 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 29 treesize of output 17 [2021-06-05 06:06:04,061 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:09,273 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 307 DAG size of output: 304 [2021-06-05 06:06:09,274 INFO L628 ElimStorePlain]: treesize reduction 219, result has 94.9 percent of original size [2021-06-05 06:06:09,294 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 25 treesize of output 17 [2021-06-05 06:06:09,295 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:09,313 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 25 treesize of output 17 [2021-06-05 06:06:09,315 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:09,334 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 29 treesize of output 17 [2021-06-05 06:06:09,335 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:09,349 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 29 treesize of output 17 [2021-06-05 06:06:09,350 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:11,701 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 292 [2021-06-05 06:06:11,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:11,719 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 25 treesize of output 17 [2021-06-05 06:06:11,721 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:11,738 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 29 treesize of output 17 [2021-06-05 06:06:11,739 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:11,757 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 25 treesize of output 17 [2021-06-05 06:06:11,759 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:11,773 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 29 treesize of output 17 [2021-06-05 06:06:11,774 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:13,978 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 280 [2021-06-05 06:06:13,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:13,995 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 25 treesize of output 15 [2021-06-05 06:06:13,997 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:14,010 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 27 treesize of output 15 [2021-06-05 06:06:14,012 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,172 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 270 DAG size of output: 235 [2021-06-05 06:06:17,173 INFO L628 ElimStorePlain]: treesize reduction 1048, result has 71.5 percent of original size [2021-06-05 06:06:17,189 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 20 treesize of output 10 [2021-06-05 06:06:17,190 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,205 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 20 treesize of output 10 [2021-06-05 06:06:17,206 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,222 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 29 treesize of output 17 [2021-06-05 06:06:17,223 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:17,234 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,249 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 16 treesize of output 10 [2021-06-05 06:06:17,250 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,266 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 16 treesize of output 10 [2021-06-05 06:06:17,268 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:17,279 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,294 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:17,295 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:17,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:17,306 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,561 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 221 [2021-06-05 06:06:18,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:18,577 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 18 treesize of output 10 [2021-06-05 06:06:18,579 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:18,591 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,606 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 18 treesize of output 10 [2021-06-05 06:06:18,608 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,619 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:18,620 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,636 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 18 treesize of output 10 [2021-06-05 06:06:18,637 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,652 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 29 treesize of output 17 [2021-06-05 06:06:18,653 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,669 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 18 treesize of output 10 [2021-06-05 06:06:18,671 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:18,683 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:18,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:18,692 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:19,815 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 208 [2021-06-05 06:06:19,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:19,832 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 20 treesize of output 10 [2021-06-05 06:06:19,854 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:19,868 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 20 treesize of output 10 [2021-06-05 06:06:19,869 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:19,876 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:19,877 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:19,889 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 27 treesize of output 15 [2021-06-05 06:06:19,890 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:19,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:19,897 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:20,243 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 21 [2021-06-05 06:06:20,244 INFO L628 ElimStorePlain]: treesize reduction 1934, result has 2.0 percent of original size [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_394 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_383 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_384 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_385 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_386 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_387 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_388 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_377 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_389 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_378 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee v_prenex_379 vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:06:20,244 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:06:20,245 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 06:06:20,245 INFO L247 ElimStorePlain]: Needed 38 recursive calls to eliminate 20 variables, input treesize:4409, output treesize:40 [2021-06-05 06:06:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:20,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525283887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:20,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:06:20,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 06:06:20,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462808644] [2021-06-05 06:06:20,323 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 06:06:20,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:06:20,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 06:06:20,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2021-06-05 06:06:20,324 INFO L87 Difference]: Start difference. First operand 6206 states and 22098 transitions. Second operand has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 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) [2021-06-05 06:06:20,948 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-06-05 06:06:21,949 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2021-06-05 06:06:22,690 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-05 06:06:23,129 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-06-05 06:06:23,371 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-05 06:06:23,848 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-06-05 06:06:24,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:06:24,062 INFO L93 Difference]: Finished difference Result 11457 states and 39557 transitions. [2021-06-05 06:06:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 06:06:24,062 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 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) Word has length 33 [2021-06-05 06:06:24,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:06:24,080 INFO L225 Difference]: With dead ends: 11457 [2021-06-05 06:06:24,080 INFO L226 Difference]: Without dead ends: 11308 [2021-06-05 06:06:24,081 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 4105.6ms TimeCoverageRelationStatistics Valid=521, Invalid=2449, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 06:06:24,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11308 states. [2021-06-05 06:06:24,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11308 to 6277. [2021-06-05 06:06:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 6276 states have (on average 3.5624601657106436) internal successors, (22358), 6276 states have internal predecessors, (22358), 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) [2021-06-05 06:06:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 22358 transitions. [2021-06-05 06:06:24,189 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 22358 transitions. Word has length 33 [2021-06-05 06:06:24,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:06:24,189 INFO L482 AbstractCegarLoop]: Abstraction has 6277 states and 22358 transitions. [2021-06-05 06:06:24,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 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) [2021-06-05 06:06:24,189 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 22358 transitions. [2021-06-05 06:06:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:06:24,198 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:06:24,198 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:06:24,398 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2536 [2021-06-05 06:06:24,399 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:06:24,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:06:24,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1642775078, now seen corresponding path program 25 times [2021-06-05 06:06:24,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:06:24,399 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573468699] [2021-06-05 06:06:24,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:06:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:06:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:24,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:06:24,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573468699] [2021-06-05 06:06:24,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573468699] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:24,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272537251] [2021-06-05 06:06:24,871 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:06:24,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:06:24,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:06:24,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:06:25,000 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:25,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,011 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:06:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:25,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:25,058 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 06:06:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,559 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 48 treesize of output 32 [2021-06-05 06:06:25,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,568 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 50 treesize of output 32 [2021-06-05 06:06:25,569 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,578 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 50 treesize of output 32 [2021-06-05 06:06:25,579 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,587 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 59 treesize of output 39 [2021-06-05 06:06:25,588 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 06:06:25,598 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,607 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 52 treesize of output 32 [2021-06-05 06:06:25,608 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,617 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 59 treesize of output 39 [2021-06-05 06:06:25,618 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,627 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 50 treesize of output 32 [2021-06-05 06:06:25,628 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,636 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 61 treesize of output 39 [2021-06-05 06:06:25,637 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,646 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 61 treesize of output 39 [2021-06-05 06:06:25,647 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,656 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 61 treesize of output 39 [2021-06-05 06:06:25,657 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,666 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 59 treesize of output 39 [2021-06-05 06:06:25,667 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,676 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 52 treesize of output 32 [2021-06-05 06:06:25,677 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,686 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 57 treesize of output 39 [2021-06-05 06:06:25,688 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,696 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 48 treesize of output 32 [2021-06-05 06:06:25,697 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,706 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 57 treesize of output 39 [2021-06-05 06:06:25,708 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,716 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 48 treesize of output 32 [2021-06-05 06:06:25,717 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,726 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 57 treesize of output 39 [2021-06-05 06:06:25,727 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,737 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 59 treesize of output 39 [2021-06-05 06:06:25,738 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,747 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 59 treesize of output 39 [2021-06-05 06:06:25,748 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,757 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 59 treesize of output 39 [2021-06-05 06:06:25,758 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,768 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 61 treesize of output 39 [2021-06-05 06:06:25,769 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,778 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 50 treesize of output 32 [2021-06-05 06:06:25,779 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,788 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 50 treesize of output 32 [2021-06-05 06:06:25,789 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,799 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 52 treesize of output 32 [2021-06-05 06:06:25,800 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,809 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 50 treesize of output 32 [2021-06-05 06:06:25,810 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,819 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 50 treesize of output 32 [2021-06-05 06:06:25,820 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,829 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 57 treesize of output 39 [2021-06-05 06:06:25,830 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,839 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 59 treesize of output 39 [2021-06-05 06:06:25,841 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,850 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 52 treesize of output 32 [2021-06-05 06:06:25,851 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-05 06:06:25,861 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:25,866 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 59 treesize of output 39 [2021-06-05 06:06:25,868 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,344 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-06-05 06:06:26,345 INFO L628 ElimStorePlain]: treesize reduction 952, result has 50.6 percent of original size [2021-06-05 06:06:26,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,353 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 52 treesize of output 30 [2021-06-05 06:06:26,354 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,361 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 50 treesize of output 30 [2021-06-05 06:06:26,362 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,370 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 59 treesize of output 37 [2021-06-05 06:06:26,371 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,379 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 44 treesize of output 26 [2021-06-05 06:06:26,380 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,395 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 61 treesize of output 37 [2021-06-05 06:06:26,396 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,404 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 65 treesize of output 41 [2021-06-05 06:06:26,405 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,413 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 63 treesize of output 39 [2021-06-05 06:06:26,414 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,422 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 51 treesize of output 31 [2021-06-05 06:06:26,424 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,434 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 61 treesize of output 39 [2021-06-05 06:06:26,435 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,444 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 51 treesize of output 31 [2021-06-05 06:06:26,445 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,453 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 49 treesize of output 31 [2021-06-05 06:06:26,454 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,517 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 41 [2021-06-05 06:06:26,519 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,526 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 53 treesize of output 31 [2021-06-05 06:06:26,527 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,534 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 46 treesize of output 26 [2021-06-05 06:06:26,535 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,541 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 65 treesize of output 39 [2021-06-05 06:06:26,543 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:26,547 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 63 treesize of output 39 [2021-06-05 06:06:26,548 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,621 INFO L628 ElimStorePlain]: treesize reduction 173, result has 37.8 percent of original size [2021-06-05 06:06:26,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:06:26,622 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2625, output treesize:105 [2021-06-05 06:06:26,707 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 20 treesize of output 14 [2021-06-05 06:06:26,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,711 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 15 treesize of output 11 [2021-06-05 06:06:26,712 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,724 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-06-05 06:06:26,724 INFO L518 ElimStorePlain]: Eliminatee v_prenex_395 vanished before elimination [2021-06-05 06:06:26,724 INFO L518 ElimStorePlain]: Eliminatee v_prenex_396 vanished before elimination [2021-06-05 06:06:26,724 INFO L518 ElimStorePlain]: Eliminatee v_prenex_397 vanished before elimination [2021-06-05 06:06:26,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:26,724 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-06-05 06:06:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:26,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272537251] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:26,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:06:26,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 06:06:26,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974382289] [2021-06-05 06:06:26,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 06:06:26,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:06:26,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 06:06:26,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-06-05 06:06:26,731 INFO L87 Difference]: Start difference. First operand 6277 states and 22358 transitions. Second operand 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) [2021-06-05 06:06:27,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:06:27,857 INFO L93 Difference]: Finished difference Result 9926 states and 34677 transitions. [2021-06-05 06:06:27,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 06:06:27,857 INFO L78 Accepts]: Start accepts. 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) Word has length 33 [2021-06-05 06:06:27,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:06:27,874 INFO L225 Difference]: With dead ends: 9926 [2021-06-05 06:06:27,874 INFO L226 Difference]: Without dead ends: 9783 [2021-06-05 06:06:27,874 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1139.0ms TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 06:06:27,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9783 states. [2021-06-05 06:06:27,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9783 to 6359. [2021-06-05 06:06:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6359 states, 6358 states have (on average 3.560239068889588) internal successors, (22636), 6358 states have internal predecessors, (22636), 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) [2021-06-05 06:06:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 22636 transitions. [2021-06-05 06:06:27,980 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 22636 transitions. Word has length 33 [2021-06-05 06:06:27,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:06:27,980 INFO L482 AbstractCegarLoop]: Abstraction has 6359 states and 22636 transitions. [2021-06-05 06:06:27,980 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) [2021-06-05 06:06:27,980 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 22636 transitions. [2021-06-05 06:06:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:06:27,989 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:06:27,989 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:06:28,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3068,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:28,190 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:06:28,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:06:28,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1609448026, now seen corresponding path program 26 times [2021-06-05 06:06:28,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:06:28,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134597014] [2021-06-05 06:06:28,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:06:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:06:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:29,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:06:29,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134597014] [2021-06-05 06:06:29,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134597014] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:29,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88682990] [2021-06-05 06:06:29,108 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:29,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 06:06:29,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:06:29,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-05 06:06:29,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:06:29,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:06:29,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:29,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,247 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:06:29,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:29,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:29,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:29,294 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,294 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-06-05 06:06:29,544 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 34 treesize of output 28 [2021-06-05 06:06:29,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,549 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 35 treesize of output 25 [2021-06-05 06:06:29,550 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,555 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 28 treesize of output 22 [2021-06-05 06:06:29,556 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,560 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 34 treesize of output 28 [2021-06-05 06:06:29,561 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,566 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 28 treesize of output 22 [2021-06-05 06:06:29,567 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,571 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 34 treesize of output 28 [2021-06-05 06:06:29,572 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,577 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 28 treesize of output 22 [2021-06-05 06:06:29,578 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,582 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 35 treesize of output 25 [2021-06-05 06:06:29,583 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,587 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 28 treesize of output 22 [2021-06-05 06:06:29,588 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,593 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 35 treesize of output 25 [2021-06-05 06:06:29,594 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,598 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 35 treesize of output 25 [2021-06-05 06:06:29,599 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:06:29,603 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:29,803 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-06-05 06:06:29,804 INFO L628 ElimStorePlain]: treesize reduction 138, result has 71.8 percent of original size [2021-06-05 06:06:29,806 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 06:06:29,806 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:725, output treesize:351 [2021-06-05 06:06:30,302 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 27 treesize of output 17 [2021-06-05 06:06:30,303 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:30,318 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 29 treesize of output 17 [2021-06-05 06:06:30,319 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:30,334 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 27 treesize of output 17 [2021-06-05 06:06:30,335 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:30,346 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 29 treesize of output 17 [2021-06-05 06:06:30,347 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:31,358 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 246 [2021-06-05 06:06:31,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:31,374 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 27 treesize of output 17 [2021-06-05 06:06:31,375 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:31,390 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 29 treesize of output 17 [2021-06-05 06:06:31,391 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:31,407 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 29 treesize of output 17 [2021-06-05 06:06:31,408 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:31,421 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 27 treesize of output 17 [2021-06-05 06:06:31,422 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:32,333 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-06-05 06:06:32,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:32,347 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 27 treesize of output 15 [2021-06-05 06:06:32,348 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:32,359 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 23 treesize of output 15 [2021-06-05 06:06:32,361 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:33,324 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 166 [2021-06-05 06:06:33,324 INFO L628 ElimStorePlain]: treesize reduction 708, result has 52.6 percent of original size [2021-06-05 06:06:33,334 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 25 treesize of output 15 [2021-06-05 06:06:33,336 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:33,343 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 27 treesize of output 15 [2021-06-05 06:06:33,344 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:33,447 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 5 [2021-06-05 06:06:33,447 INFO L628 ElimStorePlain]: treesize reduction 734, result has 0.7 percent of original size [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_400 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_401 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_412 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_402 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_413 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_403 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_414 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_404 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_415 vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:06:33,447 INFO L518 ElimStorePlain]: Eliminatee v_prenex_405 vanished before elimination [2021-06-05 06:06:33,448 INFO L518 ElimStorePlain]: Eliminatee v_prenex_406 vanished before elimination [2021-06-05 06:06:33,448 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:06:33,448 INFO L518 ElimStorePlain]: Eliminatee v_prenex_407 vanished before elimination [2021-06-05 06:06:33,448 INFO L518 ElimStorePlain]: Eliminatee v_prenex_408 vanished before elimination [2021-06-05 06:06:33,448 INFO L518 ElimStorePlain]: Eliminatee v_prenex_409 vanished before elimination [2021-06-05 06:06:33,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:33,448 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:1801, output treesize:5 [2021-06-05 06:06:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:33,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88682990] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:33,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:06:33,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-06-05 06:06:33,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78989336] [2021-06-05 06:06:33,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 06:06:33,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:06:33,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 06:06:33,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2021-06-05 06:06:33,459 INFO L87 Difference]: Start difference. First operand 6359 states and 22636 transitions. Second operand has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 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) [2021-06-05 06:06:33,756 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-06-05 06:06:34,144 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2021-06-05 06:06:34,304 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 52 [2021-06-05 06:06:34,825 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-06-05 06:06:35,437 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-05 06:06:35,739 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-06-05 06:06:35,917 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-05 06:06:36,049 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-06-05 06:06:36,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:06:36,398 INFO L93 Difference]: Finished difference Result 11292 states and 39312 transitions. [2021-06-05 06:06:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 06:06:36,398 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 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) Word has length 33 [2021-06-05 06:06:36,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:06:36,417 INFO L225 Difference]: With dead ends: 11292 [2021-06-05 06:06:36,417 INFO L226 Difference]: Without dead ends: 10944 [2021-06-05 06:06:36,418 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 3196.5ms TimeCoverageRelationStatistics Valid=509, Invalid=2143, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 06:06:36,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10944 states. [2021-06-05 06:06:36,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10944 to 6647. [2021-06-05 06:06:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6647 states, 6646 states have (on average 3.561841709298826) internal successors, (23672), 6646 states have internal predecessors, (23672), 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) [2021-06-05 06:06:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6647 states to 6647 states and 23672 transitions. [2021-06-05 06:06:36,551 INFO L78 Accepts]: Start accepts. Automaton has 6647 states and 23672 transitions. Word has length 33 [2021-06-05 06:06:36,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:06:36,551 INFO L482 AbstractCegarLoop]: Abstraction has 6647 states and 23672 transitions. [2021-06-05 06:06:36,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 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) [2021-06-05 06:06:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 6647 states and 23672 transitions. [2021-06-05 06:06:36,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:06:36,563 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:06:36,563 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:06:36,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3185 [2021-06-05 06:06:36,774 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:06:36,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:06:36,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1766130978, now seen corresponding path program 27 times [2021-06-05 06:06:36,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:06:36,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31658748] [2021-06-05 06:06:36,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:06:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:06:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:37,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:06:37,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31658748] [2021-06-05 06:06:37,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31658748] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:37,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688216092] [2021-06-05 06:06:37,430 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:37,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 06:06:37,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:06:37,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 06:06:37,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:06:37,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:06:37,573 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:37,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:37,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:37,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:06:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:37,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:37,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:37,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:37,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:37,639 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-06-05 06:06:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:37,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:37,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:37,847 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 06:06:37,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:37,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:37,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:37,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:37,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:37,855 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-06-05 06:06:37,856 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:37,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:37,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:37,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:37,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-05 06:06:37,861 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:37,921 INFO L628 ElimStorePlain]: treesize reduction 38, result has 73.2 percent of original size [2021-06-05 06:06:37,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 06:06:37,923 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:194, output treesize:74 [2021-06-05 06:06:38,505 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 27 treesize of output 17 [2021-06-05 06:06:38,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,516 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 27 treesize of output 17 [2021-06-05 06:06:38,518 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,527 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 29 treesize of output 17 [2021-06-05 06:06:38,528 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,538 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 27 treesize of output 17 [2021-06-05 06:06:38,539 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,548 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 29 treesize of output 17 [2021-06-05 06:06:38,549 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,559 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 27 treesize of output 17 [2021-06-05 06:06:38,560 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,569 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 29 treesize of output 17 [2021-06-05 06:06:38,570 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,580 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 27 treesize of output 17 [2021-06-05 06:06:38,581 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,594 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 29 treesize of output 17 [2021-06-05 06:06:38,595 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,609 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 29 treesize of output 17 [2021-06-05 06:06:38,610 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,620 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 29 treesize of output 17 [2021-06-05 06:06:38,621 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,630 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 27 treesize of output 17 [2021-06-05 06:06:38,632 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,642 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 27 treesize of output 17 [2021-06-05 06:06:38,643 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,652 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 27 treesize of output 17 [2021-06-05 06:06:38,653 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,663 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 29 treesize of output 17 [2021-06-05 06:06:38,664 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:38,670 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 29 treesize of output 17 [2021-06-05 06:06:38,671 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,819 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2021-06-05 06:06:39,819 INFO L628 ElimStorePlain]: treesize reduction 104, result has 93.8 percent of original size [2021-06-05 06:06:39,828 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 29 treesize of output 17 [2021-06-05 06:06:39,829 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,837 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 29 treesize of output 17 [2021-06-05 06:06:39,838 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,846 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 29 treesize of output 17 [2021-06-05 06:06:39,847 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,855 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 27 treesize of output 17 [2021-06-05 06:06:39,856 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,864 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 29 treesize of output 17 [2021-06-05 06:06:39,865 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 06:06:39,875 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,883 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 29 treesize of output 17 [2021-06-05 06:06:39,884 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,892 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 29 treesize of output 17 [2021-06-05 06:06:39,893 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,901 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 29 treesize of output 17 [2021-06-05 06:06:39,902 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,909 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 27 treesize of output 17 [2021-06-05 06:06:39,911 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,919 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 27 treesize of output 17 [2021-06-05 06:06:39,920 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,928 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 29 treesize of output 17 [2021-06-05 06:06:39,929 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,937 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 27 treesize of output 17 [2021-06-05 06:06:39,939 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,946 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 27 treesize of output 17 [2021-06-05 06:06:39,947 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,955 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 27 treesize of output 17 [2021-06-05 06:06:39,956 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:39,961 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 27 treesize of output 17 [2021-06-05 06:06:39,963 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:40,262 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-05 06:06:40,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:40,270 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 27 treesize of output 15 [2021-06-05 06:06:40,271 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:40,278 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 25 treesize of output 15 [2021-06-05 06:06:40,280 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:40,286 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 25 treesize of output 15 [2021-06-05 06:06:40,287 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:40,292 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 27 treesize of output 15 [2021-06-05 06:06:40,293 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:40,366 INFO L628 ElimStorePlain]: treesize reduction 846, result has 0.6 percent of original size [2021-06-05 06:06:40,366 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:06:40,366 INFO L518 ElimStorePlain]: Eliminatee v_prenex_418 vanished before elimination [2021-06-05 06:06:40,366 INFO L518 ElimStorePlain]: Eliminatee v_prenex_419 vanished before elimination [2021-06-05 06:06:40,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:40,366 INFO L247 ElimStorePlain]: Needed 37 recursive calls to eliminate 6 variables, input treesize:2209, output treesize:5 [2021-06-05 06:06:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:40,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688216092] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:40,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:06:40,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2021-06-05 06:06:40,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834786416] [2021-06-05 06:06:40,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 06:06:40,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:06:40,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 06:06:40,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2021-06-05 06:06:40,377 INFO L87 Difference]: Start difference. First operand 6647 states and 23672 transitions. Second operand has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 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) [2021-06-05 06:06:41,221 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2021-06-05 06:06:41,431 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-06-05 06:06:41,788 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2021-06-05 06:06:42,053 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-06-05 06:06:42,213 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-05 06:06:42,485 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-06-05 06:06:42,701 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-05 06:06:42,913 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-06-05 06:06:43,068 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-06-05 06:06:43,285 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2021-06-05 06:06:43,431 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2021-06-05 06:06:43,622 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-06-05 06:06:43,819 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-06-05 06:06:44,076 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-06-05 06:06:44,253 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2021-06-05 06:06:44,451 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-06-05 06:06:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:06:44,519 INFO L93 Difference]: Finished difference Result 10502 states and 36902 transitions. [2021-06-05 06:06:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 06:06:44,520 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 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) Word has length 33 [2021-06-05 06:06:44,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:06:44,538 INFO L225 Difference]: With dead ends: 10502 [2021-06-05 06:06:44,538 INFO L226 Difference]: Without dead ends: 10326 [2021-06-05 06:06:44,539 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 4180.7ms TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 06:06:44,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10326 states. [2021-06-05 06:06:44,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10326 to 6729. [2021-06-05 06:06:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 6728 states have (on average 3.5631688466111773) internal successors, (23973), 6728 states have internal predecessors, (23973), 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) [2021-06-05 06:06:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 23973 transitions. [2021-06-05 06:06:44,657 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 23973 transitions. Word has length 33 [2021-06-05 06:06:44,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:06:44,657 INFO L482 AbstractCegarLoop]: Abstraction has 6729 states and 23973 transitions. [2021-06-05 06:06:44,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.1481481481481484) internal successors, (58), 26 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) [2021-06-05 06:06:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 23973 transitions. [2021-06-05 06:06:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:06:44,667 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:06:44,667 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:06:44,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3313,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:44,881 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:06:44,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:06:44,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1785238692, now seen corresponding path program 28 times [2021-06-05 06:06:44,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:06:44,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14033965] [2021-06-05 06:06:44,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:06:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:06:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:45,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:06:45,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14033965] [2021-06-05 06:06:45,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14033965] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:45,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781352803] [2021-06-05 06:06:45,473 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:45,504 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 06:06:45,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:06:45,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:06:45,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:06:45,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:06:45,600 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:45,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:45,616 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:45,616 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:06:46,429 INFO L446 ElimStorePlain]: Different costs {1=[v_C_50], 3=[A, B]} [2021-06-05 06:06:46,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,448 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,458 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,468 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,478 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,488 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,498 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,508 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,517 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,527 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,537 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,547 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,558 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,569 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,579 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,589 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,600 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,654 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,664 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,673 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,683 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,693 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,702 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,712 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,722 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,732 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,741 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,750 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,759 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2021-06-05 06:06:46,770 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,780 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:46,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:06:46,788 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,787 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-06-05 06:06:47,788 INFO L628 ElimStorePlain]: treesize reduction 674, result has 74.8 percent of original size [2021-06-05 06:06:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,796 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 63 treesize of output 41 [2021-06-05 06:06:47,797 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,805 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 50 treesize of output 32 [2021-06-05 06:06:47,806 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,815 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 59 treesize of output 39 [2021-06-05 06:06:47,816 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,825 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 59 treesize of output 39 [2021-06-05 06:06:47,826 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,835 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 57 treesize of output 39 [2021-06-05 06:06:47,836 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,844 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 59 treesize of output 39 [2021-06-05 06:06:47,845 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,855 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 61 treesize of output 39 [2021-06-05 06:06:47,856 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,865 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 61 treesize of output 41 [2021-06-05 06:06:47,866 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-06-05 06:06:47,875 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,884 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 50 treesize of output 32 [2021-06-05 06:06:47,885 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,894 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 52 treesize of output 32 [2021-06-05 06:06:47,895 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,904 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 57 treesize of output 39 [2021-06-05 06:06:47,905 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,914 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 65 treesize of output 41 [2021-06-05 06:06:47,915 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,929 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 59 treesize of output 39 [2021-06-05 06:06:47,930 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,940 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 52 treesize of output 32 [2021-06-05 06:06:47,941 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,950 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 63 treesize of output 41 [2021-06-05 06:06:47,951 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,960 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 63 treesize of output 41 [2021-06-05 06:06:47,961 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,970 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 61 treesize of output 39 [2021-06-05 06:06:47,971 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,980 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 59 treesize of output 39 [2021-06-05 06:06:47,981 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,990 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 52 treesize of output 32 [2021-06-05 06:06:47,991 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:47,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:47,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,000 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 57 treesize of output 39 [2021-06-05 06:06:48,001 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,010 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 57 treesize of output 39 [2021-06-05 06:06:48,011 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,019 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 61 treesize of output 41 [2021-06-05 06:06:48,020 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,026 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 59 treesize of output 39 [2021-06-05 06:06:48,027 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,478 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-06-05 06:06:48,478 INFO L628 ElimStorePlain]: treesize reduction 456, result has 68.2 percent of original size [2021-06-05 06:06:48,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,486 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 46 treesize of output 26 [2021-06-05 06:06:48,487 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,495 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 44 treesize of output 26 [2021-06-05 06:06:48,496 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,504 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 59 treesize of output 37 [2021-06-05 06:06:48,505 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,513 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 50 treesize of output 30 [2021-06-05 06:06:48,514 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,522 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 61 treesize of output 37 [2021-06-05 06:06:48,523 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,531 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 65 treesize of output 41 [2021-06-05 06:06:48,533 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,540 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 63 treesize of output 39 [2021-06-05 06:06:48,542 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,561 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 51 treesize of output 31 [2021-06-05 06:06:48,562 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,573 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 61 treesize of output 39 [2021-06-05 06:06:48,575 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,586 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 51 treesize of output 31 [2021-06-05 06:06:48,587 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,598 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 49 treesize of output 31 [2021-06-05 06:06:48,600 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,610 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 41 [2021-06-05 06:06:48,612 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,623 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 53 treesize of output 31 [2021-06-05 06:06:48,625 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,636 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 65 treesize of output 39 [2021-06-05 06:06:48,638 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,648 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 63 treesize of output 39 [2021-06-05 06:06:48,650 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:48,656 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 52 treesize of output 30 [2021-06-05 06:06:48,657 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,777 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-06-05 06:06:48,777 INFO L628 ElimStorePlain]: treesize reduction 219, result has 26.3 percent of original size [2021-06-05 06:06:48,778 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 06:06:48,778 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2657, output treesize:78 [2021-06-05 06:06:48,855 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 20 treesize of output 14 [2021-06-05 06:06:48,857 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,859 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 15 treesize of output 11 [2021-06-05 06:06:48,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,870 INFO L628 ElimStorePlain]: treesize reduction 73, result has 6.4 percent of original size [2021-06-05 06:06:48,870 INFO L518 ElimStorePlain]: Eliminatee v_prenex_420 vanished before elimination [2021-06-05 06:06:48,870 INFO L518 ElimStorePlain]: Eliminatee v_prenex_421 vanished before elimination [2021-06-05 06:06:48,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:06:48,871 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 06:06:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:48,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781352803] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:48,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:06:48,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 06:06:48,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687934259] [2021-06-05 06:06:48,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:06:48,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:06:48,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:06:48,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:06:48,877 INFO L87 Difference]: Start difference. First operand 6729 states and 23973 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) [2021-06-05 06:06:50,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:06:50,633 INFO L93 Difference]: Finished difference Result 11296 states and 39305 transitions. [2021-06-05 06:06:50,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 06:06:50,634 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) Word has length 33 [2021-06-05 06:06:50,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:06:50,652 INFO L225 Difference]: With dead ends: 11296 [2021-06-05 06:06:50,652 INFO L226 Difference]: Without dead ends: 11146 [2021-06-05 06:06:50,653 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 1835.3ms TimeCoverageRelationStatistics Valid=255, Invalid=1551, Unknown=0, NotChecked=0, Total=1806 [2021-06-05 06:06:50,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11146 states. [2021-06-05 06:06:50,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11146 to 7270. [2021-06-05 06:06:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7270 states, 7269 states have (on average 3.5720181593066447) internal successors, (25965), 7269 states have internal predecessors, (25965), 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) [2021-06-05 06:06:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7270 states to 7270 states and 25965 transitions. [2021-06-05 06:06:50,778 INFO L78 Accepts]: Start accepts. Automaton has 7270 states and 25965 transitions. Word has length 33 [2021-06-05 06:06:50,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:06:50,778 INFO L482 AbstractCegarLoop]: Abstraction has 7270 states and 25965 transitions. [2021-06-05 06:06:50,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) [2021-06-05 06:06:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 7270 states and 25965 transitions. [2021-06-05 06:06:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:06:50,788 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:06:50,788 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:06:50,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3473 [2021-06-05 06:06:50,989 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:06:50,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:06:50,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1191335548, now seen corresponding path program 29 times [2021-06-05 06:06:50,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:06:50,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024290886] [2021-06-05 06:06:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:06:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:06:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:06:51,526 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:06:51,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024290886] [2021-06-05 06:06:51,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024290886] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:06:51,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426574120] [2021-06-05 06:06:51,527 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:06:51,557 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 06:06:51,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:06:51,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:06:51,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:06:51,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:06:51,652 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:51,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:51,667 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 06:06:51,667 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:48 [2021-06-05 06:06:52,213 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-06-05 06:06:52,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:52,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:06:52,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:52,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:52,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:52,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-05 06:06:52,334 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:52,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:52,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:52,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-05 06:06:52,345 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:52,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:52,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:52,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:52,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-06-05 06:06:52,354 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:52,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:52,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:06:52,364 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:52,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-05 06:06:52,372 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:52,528 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-06-05 06:06:52,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:52,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-05 06:06:52,546 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:499, output treesize:495 [2021-06-05 06:06:52,800 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-06-05 06:06:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 06:06:53,437 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:06:53,461 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:53,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 06:06:53,485 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:53,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:53,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:53,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:06:53,502 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:54,545 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-05 06:06:54,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 06:06:54,569 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:54,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 06:06:54,594 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 06:06:54,620 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:54,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:54,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-06-05 06:06:54,638 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:55,670 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 241 [2021-06-05 06:06:55,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:55,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 06:06:55,694 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:55,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:06:55,719 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:55,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:06:55,744 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:55,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:55,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:55,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 06:06:55,772 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:56,708 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2021-06-05 06:06:56,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:06:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-05 06:06:56,736 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-05 06:06:56,763 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 06:06:56,844 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:56,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:56,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:56,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-05 06:06:56,860 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:58,509 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 224 DAG size of output: 221 [2021-06-05 06:06:58,509 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.8 percent of original size [2021-06-05 06:06:58,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 06:06:58,532 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:58,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2021-06-05 06:06:58,554 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:58,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-06-05 06:06:58,575 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:06:58,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:06:58,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:06:58,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-06-05 06:06:58,590 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:00,021 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 204 DAG size of output: 201 [2021-06-05 06:07:00,021 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.5 percent of original size [2021-06-05 06:07:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 06:07:00,043 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:00,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:07:00,064 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 06:07:00,085 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:00,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:07:00,101 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:00,737 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-05 06:07:00,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:00,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-06-05 06:07:00,759 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2021-06-05 06:07:00,780 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:00,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 06:07:00,802 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:00,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:00,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:00,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 06:07:00,817 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:01,975 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2021-06-05 06:07:01,976 INFO L628 ElimStorePlain]: treesize reduction 40, result has 96.9 percent of original size [2021-06-05 06:07:01,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:01,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:01,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:01,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:01,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:01,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:01,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:07:01,998 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:02,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 06:07:02,020 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:02,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:07:02,045 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:02,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2021-06-05 06:07:02,060 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:02,584 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-05 06:07:02,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:02,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-06-05 06:07:02,605 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:02,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 37 [2021-06-05 06:07:02,626 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:02,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2021-06-05 06:07:02,647 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:02,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:02,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:02,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-06-05 06:07:02,662 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:03,499 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2021-06-05 06:07:03,500 INFO L628 ElimStorePlain]: treesize reduction 39, result has 96.0 percent of original size [2021-06-05 06:07:03,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 06:07:03,519 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:03,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:07:03,539 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:03,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-05 06:07:03,559 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:03,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2021-06-05 06:07:03,572 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:03,916 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-05 06:07:03,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:03,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-05 06:07:03,936 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:03,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 06:07:03,954 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:03,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-05 06:07:03,974 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:03,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:03,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:03,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-05 06:07:03,986 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:04,510 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-06-05 06:07:04,511 INFO L628 ElimStorePlain]: treesize reduction 39, result has 94.4 percent of original size [2021-06-05 06:07:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-05 06:07:04,532 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:04,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2021-06-05 06:07:04,557 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:04,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-06-05 06:07:04,583 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:04,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-05 06:07:04,600 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:05,060 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-06-05 06:07:05,060 INFO L628 ElimStorePlain]: treesize reduction 39, result has 92.2 percent of original size [2021-06-05 06:07:05,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 12 dim-1 vars, End of recursive call: 24 dim-0 vars, and 12 xjuncts. [2021-06-05 06:07:05,093 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 24 variables, input treesize:2193, output treesize:460 [2021-06-05 06:07:05,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:05,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:05,661 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2021-06-05 06:07:05,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:05,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:05,666 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 06:07:05,667 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:05,780 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2021-06-05 06:07:05,781 INFO L628 ElimStorePlain]: treesize reduction 83, result has 63.1 percent of original size [2021-06-05 06:07:05,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:05,786 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 15 treesize of output 11 [2021-06-05 06:07:05,787 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:05,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:05,836 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 20 treesize of output 12 [2021-06-05 06:07:05,836 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:05,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:05,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:05,842 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-05 06:07:05,843 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:05,899 INFO L628 ElimStorePlain]: treesize reduction 17, result has 83.0 percent of original size [2021-06-05 06:07:05,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:05,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:05,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:05,904 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 06:07:05,905 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:05,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:05,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:05,929 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:277, output treesize:5 [2021-06-05 06:07:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:05,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426574120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:05,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:07:05,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-06-05 06:07:05,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778098471] [2021-06-05 06:07:05,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 06:07:05,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:07:05,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 06:07:05,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2021-06-05 06:07:05,936 INFO L87 Difference]: Start difference. First operand 7270 states and 25965 transitions. Second operand has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 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) [2021-06-05 06:07:07,087 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-06-05 06:07:07,222 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-06-05 06:07:07,835 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-06-05 06:07:08,610 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2021-06-05 06:07:09,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:07:09,531 INFO L93 Difference]: Finished difference Result 12100 states and 42051 transitions. [2021-06-05 06:07:09,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-05 06:07:09,532 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 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) Word has length 33 [2021-06-05 06:07:09,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:07:09,551 INFO L225 Difference]: With dead ends: 12100 [2021-06-05 06:07:09,551 INFO L226 Difference]: Without dead ends: 11890 [2021-06-05 06:07:09,552 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 3603.9ms TimeCoverageRelationStatistics Valid=352, Invalid=2198, Unknown=0, NotChecked=0, Total=2550 [2021-06-05 06:07:09,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11890 states. [2021-06-05 06:07:09,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11890 to 7550. [2021-06-05 06:07:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7550 states, 7549 states have (on average 3.562723539541661) internal successors, (26895), 7549 states have internal predecessors, (26895), 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) [2021-06-05 06:07:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7550 states to 7550 states and 26895 transitions. [2021-06-05 06:07:09,679 INFO L78 Accepts]: Start accepts. Automaton has 7550 states and 26895 transitions. Word has length 33 [2021-06-05 06:07:09,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:07:09,679 INFO L482 AbstractCegarLoop]: Abstraction has 7550 states and 26895 transitions. [2021-06-05 06:07:09,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 24 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) [2021-06-05 06:07:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 7550 states and 26895 transitions. [2021-06-05 06:07:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:07:09,690 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:07:09,690 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:07:09,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3579,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:09,891 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:07:09,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:07:09,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1594024776, now seen corresponding path program 30 times [2021-06-05 06:07:09,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:07:09,892 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399656326] [2021-06-05 06:07:09,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:07:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:07:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:10,476 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:07:10,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399656326] [2021-06-05 06:07:10,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399656326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:10,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082275391] [2021-06-05 06:07:10,476 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:10,507 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 06:07:10,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:07:10,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-05 06:07:10,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:07:10,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:07:10,597 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:10,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:07:10,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-05 06:07:10,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-05 06:07:10,748 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 06:07:10,756 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-05 06:07:10,763 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 06:07:10,770 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-06-05 06:07:10,777 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 06:07:10,784 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:10,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 06:07:10,791 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:11,003 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-06-05 06:07:11,003 INFO L628 ElimStorePlain]: treesize reduction 190, result has 66.4 percent of original size [2021-06-05 06:07:11,005 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-05 06:07:11,005 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:577, output treesize:375 [2021-06-05 06:07:11,135 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-06-05 06:07:11,244 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 39 treesize of output 31 [2021-06-05 06:07:11,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:11,251 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 34 treesize of output 28 [2021-06-05 06:07:11,252 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:11,650 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-06-05 06:07:11,650 INFO L628 ElimStorePlain]: treesize reduction 132, result has 83.9 percent of original size [2021-06-05 06:07:11,656 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 23 treesize of output 19 [2021-06-05 06:07:11,658 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:11,662 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 28 treesize of output 22 [2021-06-05 06:07:11,663 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:11,837 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-05 06:07:11,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:11,843 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 23 treesize of output 19 [2021-06-05 06:07:11,844 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:11,848 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 28 treesize of output 22 [2021-06-05 06:07:11,850 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:12,011 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-05 06:07:12,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:12,017 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 23 treesize of output 19 [2021-06-05 06:07:12,018 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:12,022 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 28 treesize of output 22 [2021-06-05 06:07:12,023 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:12,171 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-06-05 06:07:12,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:12,176 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 39 treesize of output 31 [2021-06-05 06:07:12,177 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:12,181 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 34 treesize of output 28 [2021-06-05 06:07:12,182 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:12,316 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-06-05 06:07:12,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:12,321 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 39 treesize of output 31 [2021-06-05 06:07:12,322 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:12,325 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 39 treesize of output 31 [2021-06-05 06:07:12,326 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:12,445 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 06:07:12,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:12,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-05 06:07:12,447 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:853, output treesize:509 [2021-06-05 06:07:12,594 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 06:07:12,972 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 44 treesize of output 28 [2021-06-05 06:07:12,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:12,991 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 44 treesize of output 28 [2021-06-05 06:07:12,992 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:13,012 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 44 treesize of output 28 [2021-06-05 06:07:13,013 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:13,027 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 44 treesize of output 28 [2021-06-05 06:07:13,028 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:14,363 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 295 [2021-06-05 06:07:14,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:14,382 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 44 treesize of output 28 [2021-06-05 06:07:14,383 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:14,402 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 44 treesize of output 28 [2021-06-05 06:07:14,403 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:14,422 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 44 treesize of output 28 [2021-06-05 06:07:14,424 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:14,439 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 44 treesize of output 28 [2021-06-05 06:07:14,440 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:16,977 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2021-06-05 06:07:16,978 INFO L628 ElimStorePlain]: treesize reduction 69, result has 97.0 percent of original size [2021-06-05 06:07:16,992 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 27 treesize of output 15 [2021-06-05 06:07:16,993 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:17,006 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 27 treesize of output 15 [2021-06-05 06:07:17,007 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:18,273 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 271 DAG size of output: 208 [2021-06-05 06:07:18,273 INFO L628 ElimStorePlain]: treesize reduction 1043, result has 52.0 percent of original size [2021-06-05 06:07:18,282 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 27 treesize of output 15 [2021-06-05 06:07:18,283 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:18,418 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 5 [2021-06-05 06:07:18,418 INFO L628 ElimStorePlain]: treesize reduction 1102, result has 0.5 percent of original size [2021-06-05 06:07:18,418 INFO L518 ElimStorePlain]: Eliminatee v_prenex_482 vanished before elimination [2021-06-05 06:07:18,418 INFO L518 ElimStorePlain]: Eliminatee v_prenex_472 vanished before elimination [2021-06-05 06:07:18,418 INFO L518 ElimStorePlain]: Eliminatee v_prenex_483 vanished before elimination [2021-06-05 06:07:18,418 INFO L518 ElimStorePlain]: Eliminatee v_prenex_473 vanished before elimination [2021-06-05 06:07:18,418 INFO L518 ElimStorePlain]: Eliminatee v_prenex_484 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_474 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_485 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_486 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_475 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_487 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_476 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_477 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_466 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_478 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_467 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_479 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_468 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee v_prenex_469 vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:07:18,419 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:07:18,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:18,420 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 24 variables, input treesize:2561, output treesize:5 [2021-06-05 06:07:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:18,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082275391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:18,429 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:07:18,429 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 06:07:18,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135289814] [2021-06-05 06:07:18,430 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:07:18,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:07:18,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:07:18,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:07:18,430 INFO L87 Difference]: Start difference. First operand 7550 states and 26895 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 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) [2021-06-05 06:07:18,676 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-06-05 06:07:19,559 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-06-05 06:07:19,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:07:19,658 INFO L93 Difference]: Finished difference Result 11685 states and 40866 transitions. [2021-06-05 06:07:19,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-05 06:07:19,658 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 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) Word has length 33 [2021-06-05 06:07:19,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:07:19,677 INFO L225 Difference]: With dead ends: 11685 [2021-06-05 06:07:19,678 INFO L226 Difference]: Without dead ends: 11494 [2021-06-05 06:07:19,678 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1640.3ms TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 06:07:19,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11494 states. [2021-06-05 06:07:19,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11494 to 7586. [2021-06-05 06:07:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7586 states, 7585 states have (on average 3.5632168754119973) internal successors, (27027), 7585 states have internal predecessors, (27027), 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) [2021-06-05 06:07:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 27027 transitions. [2021-06-05 06:07:19,802 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 27027 transitions. Word has length 33 [2021-06-05 06:07:19,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:07:19,802 INFO L482 AbstractCegarLoop]: Abstraction has 7586 states and 27027 transitions. [2021-06-05 06:07:19,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 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) [2021-06-05 06:07:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 27027 transitions. [2021-06-05 06:07:19,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:07:19,812 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:07:19,812 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:07:20,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3706 [2021-06-05 06:07:20,013 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:07:20,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:07:20,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096704, now seen corresponding path program 31 times [2021-06-05 06:07:20,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:07:20,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882739400] [2021-06-05 06:07:20,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:07:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:07:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:20,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:07:20,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882739400] [2021-06-05 06:07:20,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882739400] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:20,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662028975] [2021-06-05 06:07:20,558 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:07:20,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:07:20,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:07:20,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:07:20,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:20,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:20,695 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:20,695 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:07:20,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:20,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 06:07:20,786 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:20,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:20,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:07:20,791 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:20,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:20,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 06:07:20,823 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-06-05 06:07:22,162 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 51 treesize of output 35 [2021-06-05 06:07:22,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:22,183 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 51 treesize of output 35 [2021-06-05 06:07:22,185 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:22,202 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 51 treesize of output 35 [2021-06-05 06:07:22,203 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:22,214 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 51 treesize of output 35 [2021-06-05 06:07:22,215 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:23,252 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 229 [2021-06-05 06:07:23,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:23,266 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 55 treesize of output 37 [2021-06-05 06:07:23,267 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:23,281 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 55 treesize of output 37 [2021-06-05 06:07:23,282 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:23,296 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 55 treesize of output 37 [2021-06-05 06:07:23,297 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:23,308 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 55 treesize of output 37 [2021-06-05 06:07:23,309 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,038 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 75 [2021-06-05 06:07:24,038 INFO L628 ElimStorePlain]: treesize reduction 1428, result has 30.6 percent of original size [2021-06-05 06:07:24,038 INFO L518 ElimStorePlain]: Eliminatee v_prenex_492 vanished before elimination [2021-06-05 06:07:24,038 INFO L518 ElimStorePlain]: Eliminatee v_prenex_493 vanished before elimination [2021-06-05 06:07:24,045 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 51 treesize of output 35 [2021-06-05 06:07:24,046 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,053 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 51 treesize of output 35 [2021-06-05 06:07:24,054 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,061 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 51 treesize of output 35 [2021-06-05 06:07:24,063 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,067 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 51 treesize of output 35 [2021-06-05 06:07:24,068 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,230 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-05 06:07:24,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:24,237 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 57 treesize of output 37 [2021-06-05 06:07:24,238 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,245 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 57 treesize of output 37 [2021-06-05 06:07:24,246 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,252 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 57 treesize of output 37 [2021-06-05 06:07:24,254 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,259 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 57 treesize of output 37 [2021-06-05 06:07:24,260 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,339 INFO L628 ElimStorePlain]: treesize reduction 382, result has 15.5 percent of original size [2021-06-05 06:07:24,339 INFO L518 ElimStorePlain]: Eliminatee v_prenex_496 vanished before elimination [2021-06-05 06:07:24,339 INFO L518 ElimStorePlain]: Eliminatee v_prenex_497 vanished before elimination [2021-06-05 06:07:24,339 INFO L518 ElimStorePlain]: Eliminatee v_prenex_498 vanished before elimination [2021-06-05 06:07:24,339 INFO L518 ElimStorePlain]: Eliminatee v_prenex_499 vanished before elimination [2021-06-05 06:07:24,339 INFO L518 ElimStorePlain]: Eliminatee v_prenex_488 vanished before elimination [2021-06-05 06:07:24,339 INFO L518 ElimStorePlain]: Eliminatee v_prenex_489 vanished before elimination [2021-06-05 06:07:24,340 INFO L518 ElimStorePlain]: Eliminatee v_prenex_500 vanished before elimination [2021-06-05 06:07:24,340 INFO L518 ElimStorePlain]: Eliminatee v_prenex_501 vanished before elimination [2021-06-05 06:07:24,340 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:07:24,340 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:07:24,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 06:07:24,340 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 16 variables, input treesize:2273, output treesize:70 [2021-06-05 06:07:24,416 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 20 treesize of output 14 [2021-06-05 06:07:24,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,419 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 27 treesize of output 17 [2021-06-05 06:07:24,420 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,429 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-06-05 06:07:24,429 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-06-05 06:07:24,429 INFO L518 ElimStorePlain]: Eliminatee v_prenex_502 vanished before elimination [2021-06-05 06:07:24,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:24,430 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-06-05 06:07:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:24,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662028975] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:24,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:07:24,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 06:07:24,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627991952] [2021-06-05 06:07:24,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:07:24,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:07:24,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:07:24,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:07:24,436 INFO L87 Difference]: Start difference. First operand 7586 states and 27027 transitions. Second operand has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) [2021-06-05 06:07:25,713 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-06-05 06:07:25,932 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2021-06-05 06:07:27,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:07:27,181 INFO L93 Difference]: Finished difference Result 12684 states and 44107 transitions. [2021-06-05 06:07:27,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 06:07:27,181 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) Word has length 33 [2021-06-05 06:07:27,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:07:27,209 INFO L225 Difference]: With dead ends: 12684 [2021-06-05 06:07:27,209 INFO L226 Difference]: Without dead ends: 12540 [2021-06-05 06:07:27,210 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 2437.5ms TimeCoverageRelationStatistics Valid=381, Invalid=2271, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 06:07:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12540 states. [2021-06-05 06:07:27,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12540 to 8009. [2021-06-05 06:07:27,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8009 states, 8008 states have (on average 3.5752997002997002) internal successors, (28631), 8008 states have internal predecessors, (28631), 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) [2021-06-05 06:07:27,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8009 states to 8009 states and 28631 transitions. [2021-06-05 06:07:27,347 INFO L78 Accepts]: Start accepts. Automaton has 8009 states and 28631 transitions. Word has length 33 [2021-06-05 06:07:27,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:07:27,347 INFO L482 AbstractCegarLoop]: Abstraction has 8009 states and 28631 transitions. [2021-06-05 06:07:27,347 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 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) [2021-06-05 06:07:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 8009 states and 28631 transitions. [2021-06-05 06:07:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:07:27,358 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:07:27,358 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:07:27,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3812,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:27,560 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:07:27,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:07:27,560 INFO L82 PathProgramCache]: Analyzing trace with hash -919407476, now seen corresponding path program 32 times [2021-06-05 06:07:27,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:07:27,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023502800] [2021-06-05 06:07:27,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:07:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:07:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:28,226 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:07:28,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023502800] [2021-06-05 06:07:28,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023502800] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:28,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781972018] [2021-06-05 06:07:28,226 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:28,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 06:07:28,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:07:28,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:07:28,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:07:28,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:07:28,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:28,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:07:28,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:28,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-06-05 06:07:28,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:07:28,469 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:28,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 06:07:28,510 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-06-05 06:07:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,714 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 34 treesize of output 26 [2021-06-05 06:07:28,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,720 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 45 treesize of output 29 [2021-06-05 06:07:28,721 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,726 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 34 treesize of output 26 [2021-06-05 06:07:28,727 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,732 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 45 treesize of output 29 [2021-06-05 06:07:28,733 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,739 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 34 treesize of output 26 [2021-06-05 06:07:28,740 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,745 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 45 treesize of output 29 [2021-06-05 06:07:28,746 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,751 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 34 treesize of output 26 [2021-06-05 06:07:28,752 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:28,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:28,757 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 45 treesize of output 29 [2021-06-05 06:07:28,757 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:29,043 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-06-05 06:07:29,044 INFO L628 ElimStorePlain]: treesize reduction 461, result has 55.4 percent of original size [2021-06-05 06:07:29,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:29,049 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 29 treesize of output 23 [2021-06-05 06:07:29,050 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:29,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:29,055 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 29 treesize of output 23 [2021-06-05 06:07:29,057 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:29,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:29,061 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 29 treesize of output 23 [2021-06-05 06:07:29,062 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:29,275 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-05 06:07:29,276 INFO L628 ElimStorePlain]: treesize reduction 45, result has 90.8 percent of original size [2021-06-05 06:07:29,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-05 06:07:29,278 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:1177, output treesize:443 [2021-06-05 06:07:29,413 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-06-05 06:07:30,049 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 27 treesize of output 17 [2021-06-05 06:07:30,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:31,044 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 680 [2021-06-05 06:07:31,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:31,072 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 27 treesize of output 17 [2021-06-05 06:07:31,073 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:31,961 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2021-06-05 06:07:31,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:31,989 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 25 treesize of output 15 [2021-06-05 06:07:31,990 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:32,802 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 342 [2021-06-05 06:07:32,803 INFO L628 ElimStorePlain]: treesize reduction 868, result has 51.3 percent of original size [2021-06-05 06:07:32,818 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 29 treesize of output 17 [2021-06-05 06:07:32,819 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:33,135 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2021-06-05 06:07:33,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:33,150 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 27 treesize of output 15 [2021-06-05 06:07:33,151 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:33,202 INFO L628 ElimStorePlain]: treesize reduction 867, result has 0.6 percent of original size [2021-06-05 06:07:33,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_520 vanished before elimination [2021-06-05 06:07:33,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_565 vanished before elimination [2021-06-05 06:07:33,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_521 vanished before elimination [2021-06-05 06:07:33,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_566 vanished before elimination [2021-06-05 06:07:33,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_522 vanished before elimination [2021-06-05 06:07:33,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_567 vanished before elimination [2021-06-05 06:07:33,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_523 vanished before elimination [2021-06-05 06:07:33,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_568 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_524 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_558 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_514 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_515 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_559 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_516 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_517 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_518 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_519 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_550 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_551 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_552 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_553 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_510 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_554 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_555 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_511 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_556 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_512 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_557 vanished before elimination [2021-06-05 06:07:33,203 INFO L518 ElimStorePlain]: Eliminatee v_prenex_513 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_547 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_548 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_549 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_505 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_506 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_507 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_508 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_509 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_580 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_581 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_582 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_540 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_541 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_542 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_543 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_544 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_545 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_546 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_536 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_537 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_538 vanished before elimination [2021-06-05 06:07:33,204 INFO L518 ElimStorePlain]: Eliminatee v_prenex_539 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_570 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_571 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_572 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_573 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_530 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_574 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_575 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_531 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_576 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_532 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_533 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_577 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_534 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_578 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_579 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_535 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_525 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_569 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_526 vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:07:33,205 INFO L518 ElimStorePlain]: Eliminatee v_prenex_527 vanished before elimination [2021-06-05 06:07:33,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_528 vanished before elimination [2021-06-05 06:07:33,206 INFO L518 ElimStorePlain]: Eliminatee v_prenex_529 vanished before elimination [2021-06-05 06:07:33,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:33,206 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 80 variables, input treesize:1841, output treesize:5 [2021-06-05 06:07:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:33,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781972018] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:33,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:07:33,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-06-05 06:07:33,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386869488] [2021-06-05 06:07:33,216 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 06:07:33,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:07:33,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 06:07:33,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-06-05 06:07:33,217 INFO L87 Difference]: Start difference. First operand 8009 states and 28631 transitions. Second operand has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 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) [2021-06-05 06:07:33,382 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-06-05 06:07:34,093 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 06:07:34,704 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2021-06-05 06:07:35,020 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2021-06-05 06:07:35,833 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-06-05 06:07:36,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:07:36,450 INFO L93 Difference]: Finished difference Result 13143 states and 45967 transitions. [2021-06-05 06:07:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 06:07:36,451 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 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) Word has length 33 [2021-06-05 06:07:36,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:07:36,475 INFO L225 Difference]: With dead ends: 13143 [2021-06-05 06:07:36,475 INFO L226 Difference]: Without dead ends: 12925 [2021-06-05 06:07:36,476 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 3143.4ms TimeCoverageRelationStatistics Valid=421, Invalid=2029, Unknown=0, NotChecked=0, Total=2450 [2021-06-05 06:07:36,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12925 states. [2021-06-05 06:07:36,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12925 to 7909. [2021-06-05 06:07:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7909 states, 7908 states have (on average 3.5706879109762264) internal successors, (28237), 7908 states have internal predecessors, (28237), 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) [2021-06-05 06:07:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7909 states to 7909 states and 28237 transitions. [2021-06-05 06:07:36,614 INFO L78 Accepts]: Start accepts. Automaton has 7909 states and 28237 transitions. Word has length 33 [2021-06-05 06:07:36,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:07:36,614 INFO L482 AbstractCegarLoop]: Abstraction has 7909 states and 28237 transitions. [2021-06-05 06:07:36,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 23 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) [2021-06-05 06:07:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 7909 states and 28237 transitions. [2021-06-05 06:07:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:07:36,625 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:07:36,625 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:07:36,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4113,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:36,826 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:07:36,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:07:36,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1958616328, now seen corresponding path program 33 times [2021-06-05 06:07:36,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:07:36,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334143843] [2021-06-05 06:07:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:07:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:07:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:37,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:07:37,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334143843] [2021-06-05 06:07:37,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334143843] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:37,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978064392] [2021-06-05 06:07:37,343 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:37,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 06:07:37,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:07:37,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-05 06:07:37,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:07:37,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-05 06:07:37,469 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:37,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:37,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:37,480 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 06:07:37,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:37,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2021-06-05 06:07:37,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:37,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:37,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:07:37,573 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:37,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:37,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 06:07:37,603 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-06-05 06:07:37,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:37,840 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:37,840 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 34 treesize of output 44 [2021-06-05 06:07:37,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-05 06:07:37,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:37,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:37,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-05 06:07:37,849 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-06-05 06:07:37,850 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:37,957 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-06-05 06:07:37,958 INFO L628 ElimStorePlain]: treesize reduction 128, result has 54.3 percent of original size [2021-06-05 06:07:37,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:37,962 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 29 treesize of output 23 [2021-06-05 06:07:37,963 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:38,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:38,004 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 06:07:38,005 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:271, output treesize:156 [2021-06-05 06:07:38,309 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-06-05 06:07:39,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 06:07:39,875 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,887 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 29 treesize of output 17 [2021-06-05 06:07:39,888 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,899 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 27 treesize of output 17 [2021-06-05 06:07:39,900 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,911 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 27 treesize of output 17 [2021-06-05 06:07:39,912 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,923 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 29 treesize of output 17 [2021-06-05 06:07:39,924 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,935 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 27 treesize of output 17 [2021-06-05 06:07:39,937 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,948 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 29 treesize of output 17 [2021-06-05 06:07:39,949 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,960 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 29 treesize of output 17 [2021-06-05 06:07:39,961 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,972 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 27 treesize of output 17 [2021-06-05 06:07:39,974 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,985 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 29 treesize of output 17 [2021-06-05 06:07:39,986 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:39,997 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 27 treesize of output 17 [2021-06-05 06:07:39,998 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:40,010 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 29 treesize of output 17 [2021-06-05 06:07:40,011 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:40,022 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 29 treesize of output 17 [2021-06-05 06:07:40,023 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:40,034 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 27 treesize of output 17 [2021-06-05 06:07:40,036 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:40,047 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 29 treesize of output 17 [2021-06-05 06:07:40,048 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:40,057 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 27 treesize of output 17 [2021-06-05 06:07:40,058 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:42,281 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-06-05 06:07:42,282 INFO L628 ElimStorePlain]: treesize reduction 148, result has 94.8 percent of original size [2021-06-05 06:07:42,292 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 27 treesize of output 15 [2021-06-05 06:07:42,293 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:42,303 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 27 treesize of output 15 [2021-06-05 06:07:42,303 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:42,313 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 25 treesize of output 15 [2021-06-05 06:07:42,315 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:42,322 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 25 treesize of output 15 [2021-06-05 06:07:42,323 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,010 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2021-06-05 06:07:43,010 INFO L628 ElimStorePlain]: treesize reduction 1841, result has 29.1 percent of original size [2021-06-05 06:07:43,011 INFO L518 ElimStorePlain]: Eliminatee v_prenex_584 vanished before elimination [2021-06-05 06:07:43,011 INFO L518 ElimStorePlain]: Eliminatee v_prenex_585 vanished before elimination [2021-06-05 06:07:43,017 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 18 treesize of output 10 [2021-06-05 06:07:43,018 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,022 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,027 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 20 treesize of output 10 [2021-06-05 06:07:43,028 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,032 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,037 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 18 treesize of output 10 [2021-06-05 06:07:43,039 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,043 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,048 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 20 treesize of output 10 [2021-06-05 06:07:43,049 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,053 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,057 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,061 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,064 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,067 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,071 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,074 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,077 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,080 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,080 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:43,130 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 18 treesize of output 10 [2021-06-05 06:07:43,131 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,134 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,137 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,138 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:07:43,139 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:43,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:43,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 06:07:43,151 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 6 variables, input treesize:3473, output treesize:28 [2021-06-05 06:07:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:43,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978064392] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:43,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:07:43,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 06:07:43,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004537223] [2021-06-05 06:07:43,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 06:07:43,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:07:43,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 06:07:43,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2021-06-05 06:07:43,199 INFO L87 Difference]: Start difference. First operand 7909 states and 28237 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 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) [2021-06-05 06:07:44,635 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2021-06-05 06:07:45,803 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-06-05 06:07:46,011 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-05 06:07:46,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:07:46,067 INFO L93 Difference]: Finished difference Result 11809 states and 41370 transitions. [2021-06-05 06:07:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 06:07:46,068 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 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) Word has length 33 [2021-06-05 06:07:46,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:07:46,088 INFO L225 Difference]: With dead ends: 11809 [2021-06-05 06:07:46,088 INFO L226 Difference]: Without dead ends: 11668 [2021-06-05 06:07:46,089 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2989.4ms TimeCoverageRelationStatistics Valid=365, Invalid=2391, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 06:07:46,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2021-06-05 06:07:46,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 7941. [2021-06-05 06:07:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 7940 states have (on average 3.566876574307305) internal successors, (28321), 7940 states have internal predecessors, (28321), 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) [2021-06-05 06:07:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 28321 transitions. [2021-06-05 06:07:46,218 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 28321 transitions. Word has length 33 [2021-06-05 06:07:46,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:07:46,218 INFO L482 AbstractCegarLoop]: Abstraction has 7941 states and 28321 transitions. [2021-06-05 06:07:46,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 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) [2021-06-05 06:07:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 28321 transitions. [2021-06-05 06:07:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 06:07:46,229 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:07:46,229 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:07:46,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4143 [2021-06-05 06:07:46,430 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:07:46,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:07:46,430 INFO L82 PathProgramCache]: Analyzing trace with hash -617777642, now seen corresponding path program 34 times [2021-06-05 06:07:46,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:07:46,430 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726917684] [2021-06-05 06:07:46,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:07:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:07:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:46,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:07:46,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726917684] [2021-06-05 06:07:46,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726917684] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:46,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263970271] [2021-06-05 06:07:46,827 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:46,856 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 06:07:46,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:07:46,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 06:07:46,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:07:46,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:07:46,932 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:46,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:46,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:46,943 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-06-05 06:07:47,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:47,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:07:47,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:47,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:47,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 37 [2021-06-05 06:07:47,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:47,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:47,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-05 06:07:47,060 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-06-05 06:07:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:47,151 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 36 treesize of output 26 [2021-06-05 06:07:47,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:47,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:47,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2021-06-05 06:07:47,158 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:47,210 INFO L628 ElimStorePlain]: treesize reduction 77, result has 56.0 percent of original size [2021-06-05 06:07:47,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:07:47,213 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 34 treesize of output 26 [2021-06-05 06:07:47,214 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:47,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:47,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-05 06:07:47,234 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:219, output treesize:74 [2021-06-05 06:07:48,838 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 27 treesize of output 17 [2021-06-05 06:07:48,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:48,856 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 27 treesize of output 17 [2021-06-05 06:07:48,857 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:48,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-06-05 06:07:48,876 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:48,889 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 27 treesize of output 17 [2021-06-05 06:07:48,890 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:51,525 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 287 DAG size of output: 284 [2021-06-05 06:07:51,526 INFO L628 ElimStorePlain]: treesize reduction 50, result has 97.7 percent of original size [2021-06-05 06:07:51,543 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 27 treesize of output 17 [2021-06-05 06:07:51,545 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:51,562 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 27 treesize of output 17 [2021-06-05 06:07:51,563 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:51,580 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 27 treesize of output 17 [2021-06-05 06:07:51,581 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:51,594 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 27 treesize of output 17 [2021-06-05 06:07:51,595 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:52,810 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-05 06:07:52,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:07:52,826 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 25 treesize of output 15 [2021-06-05 06:07:52,827 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:52,838 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 25 treesize of output 15 [2021-06-05 06:07:52,840 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:54,943 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-05 06:07:54,944 INFO L628 ElimStorePlain]: treesize reduction 140, result has 92.7 percent of original size [2021-06-05 06:07:54,960 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 29 treesize of output 17 [2021-06-05 06:07:54,961 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:54,976 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 29 treesize of output 17 [2021-06-05 06:07:54,977 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:54,989 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 29 treesize of output 17 [2021-06-05 06:07:54,990 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:56,863 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2021-06-05 06:07:56,864 INFO L628 ElimStorePlain]: treesize reduction 25, result has 98.5 percent of original size [2021-06-05 06:07:56,879 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 25 treesize of output 15 [2021-06-05 06:07:56,880 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:56,891 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 25 treesize of output 15 [2021-06-05 06:07:56,892 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:07:57,265 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 5 [2021-06-05 06:07:57,265 INFO L628 ElimStorePlain]: treesize reduction 1640, result has 0.3 percent of original size [2021-06-05 06:07:57,265 INFO L518 ElimStorePlain]: Eliminatee v_prenex_595 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_596 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_597 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_598 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_610 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_599 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_600 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_589 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_601 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_602 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_603 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_604 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_605 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_606 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_607 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_608 vanished before elimination [2021-06-05 06:07:57,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_609 vanished before elimination [2021-06-05 06:07:57,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 06:07:57,267 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 24 variables, input treesize:2209, output treesize:5 [2021-06-05 06:07:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:07:57,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263970271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:57,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:07:57,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-06-05 06:07:57,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663570617] [2021-06-05 06:07:57,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 06:07:57,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:07:57,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 06:07:57,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-06-05 06:07:57,276 INFO L87 Difference]: Start difference. First operand 7941 states and 28321 transitions. Second operand has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 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) [2021-06-05 06:07:57,593 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-06-05 06:07:59,205 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-06-05 06:07:59,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:07:59,478 INFO L93 Difference]: Finished difference Result 13846 states and 47410 transitions. [2021-06-05 06:07:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 06:07:59,479 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 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) Word has length 33 [2021-06-05 06:07:59,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:07:59,502 INFO L225 Difference]: With dead ends: 13846 [2021-06-05 06:07:59,503 INFO L226 Difference]: Without dead ends: 13580 [2021-06-05 06:07:59,503 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 2054.5ms TimeCoverageRelationStatistics Valid=413, Invalid=1749, Unknown=0, NotChecked=0, Total=2162 [2021-06-05 06:07:59,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2021-06-05 06:07:59,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 7897. [2021-06-05 06:07:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7897 states, 7896 states have (on average 3.5713019250253293) internal successors, (28199), 7896 states have internal predecessors, (28199), 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) [2021-06-05 06:07:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7897 states to 7897 states and 28199 transitions. [2021-06-05 06:07:59,661 INFO L78 Accepts]: Start accepts. Automaton has 7897 states and 28199 transitions. Word has length 33 [2021-06-05 06:07:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:07:59,661 INFO L482 AbstractCegarLoop]: Abstraction has 7897 states and 28199 transitions. [2021-06-05 06:07:59,661 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 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) [2021-06-05 06:07:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 7897 states and 28199 transitions. [2021-06-05 06:07:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:07:59,671 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:07:59,671 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:07:59,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4717 [2021-06-05 06:07:59,872 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:07:59,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:07:59,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1287961654, now seen corresponding path program 35 times [2021-06-05 06:07:59,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:07:59,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507586611] [2021-06-05 06:07:59,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:07:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:07:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 06:07:59,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:07:59,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507586611] [2021-06-05 06:07:59,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507586611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:07:59,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279374884] [2021-06-05 06:07:59,905 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:07:59,956 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 06:07:59,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:07:59,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:07:59,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:07:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 06:08:00,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279374884] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:08:00,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:08:00,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-05 06:08:00,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189225445] [2021-06-05 06:08:00,000 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 06:08:00,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:08:00,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 06:08:00,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-05 06:08:00,001 INFO L87 Difference]: Start difference. First operand 7897 states and 28199 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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) [2021-06-05 06:08:00,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:08:00,165 INFO L93 Difference]: Finished difference Result 12284 states and 42934 transitions. [2021-06-05 06:08:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 06:08:00,166 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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) Word has length 35 [2021-06-05 06:08:00,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:08:00,193 INFO L225 Difference]: With dead ends: 12284 [2021-06-05 06:08:00,193 INFO L226 Difference]: Without dead ends: 12248 [2021-06-05 06:08:00,193 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 51.7ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-06-05 06:08:00,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12248 states. [2021-06-05 06:08:00,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12248 to 10329. [2021-06-05 06:08:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10329 states, 10328 states have (on average 3.621998450813323) internal successors, (37408), 10328 states have internal predecessors, (37408), 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) [2021-06-05 06:08:00,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10329 states to 10329 states and 37408 transitions. [2021-06-05 06:08:00,435 INFO L78 Accepts]: Start accepts. Automaton has 10329 states and 37408 transitions. Word has length 35 [2021-06-05 06:08:00,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:08:00,435 INFO L482 AbstractCegarLoop]: Abstraction has 10329 states and 37408 transitions. [2021-06-05 06:08:00,435 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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) [2021-06-05 06:08:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 10329 states and 37408 transitions. [2021-06-05 06:08:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:08:00,450 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:08:00,450 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:08:00,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5152 [2021-06-05 06:08:00,650 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:08:00,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:08:00,651 INFO L82 PathProgramCache]: Analyzing trace with hash 612932962, now seen corresponding path program 36 times [2021-06-05 06:08:00,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:08:00,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975634873] [2021-06-05 06:08:00,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:08:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:08:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 06:08:00,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:08:00,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975634873] [2021-06-05 06:08:00,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975634873] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:08:00,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120186790] [2021-06-05 06:08:00,671 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:08:00,701 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 06:08:00,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:08:00,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:08:00,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:08:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 06:08:00,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120186790] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:08:00,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:08:00,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 06:08:00,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166187469] [2021-06-05 06:08:00,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 06:08:00,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:08:00,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 06:08:00,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 06:08:00,762 INFO L87 Difference]: Start difference. First operand 10329 states and 37408 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-05 06:08:00,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:08:00,861 INFO L93 Difference]: Finished difference Result 11882 states and 41775 transitions. [2021-06-05 06:08:00,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 06:08:00,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) Word has length 35 [2021-06-05 06:08:00,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:08:00,882 INFO L225 Difference]: With dead ends: 11882 [2021-06-05 06:08:00,882 INFO L226 Difference]: Without dead ends: 11882 [2021-06-05 06:08:00,882 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 06:08:00,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11882 states. [2021-06-05 06:08:01,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11882 to 9465. [2021-06-05 06:08:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9465 states, 9464 states have (on average 3.5864327979712596) internal successors, (33942), 9464 states have internal predecessors, (33942), 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) [2021-06-05 06:08:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9465 states to 9465 states and 33942 transitions. [2021-06-05 06:08:01,055 INFO L78 Accepts]: Start accepts. Automaton has 9465 states and 33942 transitions. Word has length 35 [2021-06-05 06:08:01,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:08:01,055 INFO L482 AbstractCegarLoop]: Abstraction has 9465 states and 33942 transitions. [2021-06-05 06:08:01,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-05 06:08:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 9465 states and 33942 transitions. [2021-06-05 06:08:01,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:08:01,068 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:08:01,068 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:08:01,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5153,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:08:01,269 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:08:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:08:01,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1946736312, now seen corresponding path program 37 times [2021-06-05 06:08:01,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:08:01,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227434768] [2021-06-05 06:08:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:08:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:08:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:08:01,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:08:01,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227434768] [2021-06-05 06:08:01,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227434768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:08:01,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359162402] [2021-06-05 06:08:01,305 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:08:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:08:01,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:08:01,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:08:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:08:01,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359162402] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:08:01,388 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:08:01,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 06:08:01,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465769755] [2021-06-05 06:08:01,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 06:08:01,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:08:01,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 06:08:01,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 06:08:01,388 INFO L87 Difference]: Start difference. First operand 9465 states and 33942 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-05 06:08:01,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:08:01,536 INFO L93 Difference]: Finished difference Result 13818 states and 48445 transitions. [2021-06-05 06:08:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 06:08:01,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) Word has length 35 [2021-06-05 06:08:01,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:08:01,571 INFO L225 Difference]: With dead ends: 13818 [2021-06-05 06:08:01,572 INFO L226 Difference]: Without dead ends: 13785 [2021-06-05 06:08:01,572 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 29.0ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 06:08:01,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13785 states. [2021-06-05 06:08:01,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13785 to 11062. [2021-06-05 06:08:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11062 states, 11061 states have (on average 3.6520206129644697) internal successors, (40395), 11061 states have internal predecessors, (40395), 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) [2021-06-05 06:08:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 40395 transitions. [2021-06-05 06:08:01,913 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 40395 transitions. Word has length 35 [2021-06-05 06:08:01,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:08:01,913 INFO L482 AbstractCegarLoop]: Abstraction has 11062 states and 40395 transitions. [2021-06-05 06:08:01,913 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-05 06:08:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 40395 transitions. [2021-06-05 06:08:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:08:01,928 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:08:01,929 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:08:02,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5154 [2021-06-05 06:08:02,129 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:08:02,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:08:02,130 INFO L82 PathProgramCache]: Analyzing trace with hash 698919468, now seen corresponding path program 38 times [2021-06-05 06:08:02,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:08:02,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860874623] [2021-06-05 06:08:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:08:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:08:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:08:02,152 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:08:02,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860874623] [2021-06-05 06:08:02,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860874623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:08:02,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757532626] [2021-06-05 06:08:02,152 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:08:02,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 06:08:02,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:08:02,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:08:02,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:08:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:08:02,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757532626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:08:02,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:08:02,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 06:08:02,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719022575] [2021-06-05 06:08:02,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 06:08:02,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:08:02,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 06:08:02,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 06:08:02,236 INFO L87 Difference]: Start difference. First operand 11062 states and 40395 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-05 06:08:02,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:08:02,371 INFO L93 Difference]: Finished difference Result 14568 states and 51142 transitions. [2021-06-05 06:08:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 06:08:02,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) Word has length 35 [2021-06-05 06:08:02,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:08:02,408 INFO L225 Difference]: With dead ends: 14568 [2021-06-05 06:08:02,408 INFO L226 Difference]: Without dead ends: 14568 [2021-06-05 06:08:02,408 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 28.9ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 06:08:02,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14568 states. [2021-06-05 06:08:02,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14568 to 11105. [2021-06-05 06:08:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11105 states, 11104 states have (on average 3.649315561959654) internal successors, (40522), 11104 states have internal predecessors, (40522), 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) [2021-06-05 06:08:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11105 states to 11105 states and 40522 transitions. [2021-06-05 06:08:02,616 INFO L78 Accepts]: Start accepts. Automaton has 11105 states and 40522 transitions. Word has length 35 [2021-06-05 06:08:02,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:08:02,617 INFO L482 AbstractCegarLoop]: Abstraction has 11105 states and 40522 transitions. [2021-06-05 06:08:02,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-05 06:08:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 11105 states and 40522 transitions. [2021-06-05 06:08:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:08:02,632 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:08:02,632 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:08:02,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5155 [2021-06-05 06:08:02,832 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:08:02,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:08:02,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1570214760, now seen corresponding path program 39 times [2021-06-05 06:08:02,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:08:02,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246334916] [2021-06-05 06:08:02,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:08:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:08:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 06:08:02,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:08:02,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246334916] [2021-06-05 06:08:02,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246334916] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:08:02,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595729667] [2021-06-05 06:08:02,859 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:08:02,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 06:08:02,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:08:02,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-05 06:08:02,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:08:03,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:08:03,087 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:03,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:08:03,094 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:03,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:08:03,100 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:03,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:08:03,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:03,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:03,203 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-05 06:08:03,203 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:245, output treesize:241 [2021-06-05 06:08:04,154 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-06-05 06:08:05,012 INFO L446 ElimStorePlain]: Different costs {1=[v_C_64], 190=[A, B]} [2021-06-05 06:08:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,030 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,064 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,082 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,099 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,117 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,135 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,153 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,170 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,188 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,206 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,223 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,241 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,261 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,280 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-05 06:08:05,296 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:05,837 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-06-05 06:08:05,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,901 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:05,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 06:08:05,941 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:05,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,027 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:06,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-05 06:08:06,037 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:06,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,112 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:06,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-05 06:08:06,123 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,198 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:06,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 06:08:06,267 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:06,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,346 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:06,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 06:08:06,389 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:06,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:06,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 06:08:06,530 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,617 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:06,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 06:08:06,689 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:06,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,782 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:06,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-05 06:08:06,808 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:06,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,905 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:06,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-05 06:08:06,923 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:07,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-05 06:08:07,039 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:07,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,160 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:07,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 06:08:07,226 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,346 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:07,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-05 06:08:07,365 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,491 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:07,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 06:08:07,546 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,736 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-05 06:08:07,736 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:07,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 93 [2021-06-05 06:08:07,756 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:07,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,848 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:07,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 93 [2021-06-05 06:08:07,917 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:08,028 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:08,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 93 [2021-06-05 06:08:08,042 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:08:13,295 WARN L205 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 648 DAG size of output: 443 [2021-06-05 06:08:13,296 INFO L628 ElimStorePlain]: treesize reduction 4722, result has 47.7 percent of original size [2021-06-05 06:08:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:13,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:13,373 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:13,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 277 treesize of output 267 [2021-06-05 06:08:13,919 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 4 xjuncts. [2021-06-05 06:08:13,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:13,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:14,014 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:14,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 275 [2021-06-05 06:08:14,644 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 6 xjuncts. [2021-06-05 06:08:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:14,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:14,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:14,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:14,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 206 treesize of output 210 [2021-06-05 06:08:15,604 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 5 xjuncts. [2021-06-05 06:08:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:15,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:15,717 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:15,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 261 treesize of output 249 [2021-06-05 06:08:16,222 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 5 xjuncts. [2021-06-05 06:08:16,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:16,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:16,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:16,346 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:16,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 325 treesize of output 303 [2021-06-05 06:08:17,197 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-06-05 06:08:17,305 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-06-05 06:08:17,426 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 387 [2021-06-05 06:08:17,910 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-05 06:08:18,031 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-05 06:08:18,141 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-06-05 06:08:18,160 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-06-05 06:08:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:18,300 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:18,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 221 treesize of output 223 [2021-06-05 06:08:18,892 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-06-05 06:08:18,999 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-06-05 06:08:19,117 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 315 [2021-06-05 06:08:20,295 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-05 06:08:20,473 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-05 06:08:20,658 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-06-05 06:08:20,684 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 6 xjuncts. [2021-06-05 06:08:20,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:20,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:20,840 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:20,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 327 treesize of output 301 [2021-06-05 06:08:21,524 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 477 [2021-06-05 06:08:22,151 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-05 06:08:22,290 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-05 06:08:22,419 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-06-05 06:08:22,441 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 3 xjuncts. [2021-06-05 06:08:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:22,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:22,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:22,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 219 treesize of output 223 [2021-06-05 06:08:23,071 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-06-05 06:08:23,199 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-06-05 06:08:23,307 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2021-06-05 06:08:24,110 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 231 [2021-06-05 06:08:24,688 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-05 06:08:24,904 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-05 06:08:25,092 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-06-05 06:08:25,122 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 5 xjuncts. [2021-06-05 06:08:25,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:25,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:25,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:25,312 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:25,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 165 treesize of output 181 [2021-06-05 06:08:25,805 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 4 xjuncts. [2021-06-05 06:08:25,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:25,998 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:25,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 207 treesize of output 213 [2021-06-05 06:08:26,411 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 5 xjuncts. [2021-06-05 06:08:26,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:26,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:26,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 280 treesize of output 270 [2021-06-05 06:08:27,112 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:27,311 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:27,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 217 treesize of output 223 [2021-06-05 06:08:28,580 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-05 06:08:28,691 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-05 06:08:28,812 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-06-05 06:08:28,833 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-06-05 06:08:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:28,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:28,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:29,045 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:29,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 192 treesize of output 200 [2021-06-05 06:08:29,649 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 4 xjuncts. [2021-06-05 06:08:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:29,872 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:29,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 219 treesize of output 221 [2021-06-05 06:08:31,167 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-05 06:08:31,275 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-05 06:08:31,386 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-06-05 06:08:31,410 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 4 xjuncts. [2021-06-05 06:08:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:31,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:31,643 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:31,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 254 treesize of output 254 [2021-06-05 06:08:32,128 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-06-05 06:08:32,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:08:32,338 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-05 06:08:32,339 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:08:32,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 298 treesize of output 278 [2021-06-05 06:08:33,280 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-06-05 06:08:33,433 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-06-05 06:08:33,644 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 467 [2021-06-05 06:08:34,392 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-06-05 06:08:34,514 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-06-05 06:08:34,637 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 7 xjuncts. [2021-06-05 06:08:57,403 WARN L205 SmtUtils]: Spent 22.76 s on a formula simplification. DAG size of input: 3688 DAG size of output: 498 [2021-06-05 06:08:57,404 INFO L628 ElimStorePlain]: treesize reduction 70453, result has 4.6 percent of original size [2021-06-05 06:08:58,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 3 dim-1 vars, End of recursive call: 16 dim-0 vars, and 16 xjuncts. [2021-06-05 06:08:58,341 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 20 variables, input treesize:1537, output treesize:4101 [2021-06-05 06:08:59,837 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 203 [2021-06-05 06:09:00,580 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 116 [2021-06-05 06:09:01,696 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 173 [2021-06-05 06:09:02,257 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2021-06-05 06:09:02,847 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_710, v_prenex_699, v_prenex_700], 1=[v_prenex_703, v_prenex_707, v_prenex_709], 3=[v_prenex_701, C, v_prenex_704, v_prenex_706, v_prenex_708], 6=[v_prenex_702, v_prenex_705, v_prenex_711]} [2021-06-05 06:09:02,859 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 7 treesize of output 5 [2021-06-05 06:09:02,860 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:03,964 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 225 DAG size of output: 184 [2021-06-05 06:09:03,965 INFO L628 ElimStorePlain]: treesize reduction 262, result has 76.7 percent of original size [2021-06-05 06:09:03,974 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 5 treesize of output 3 [2021-06-05 06:09:03,975 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:04,793 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-06-05 06:09:04,793 INFO L628 ElimStorePlain]: treesize reduction 78, result has 90.9 percent of original size [2021-06-05 06:09:04,793 INFO L518 ElimStorePlain]: Eliminatee v_prenex_700 vanished before elimination [2021-06-05 06:09:04,812 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:04,813 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 15 treesize of output 19 [2021-06-05 06:09:04,816 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-05 06:09:04,825 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 9 treesize of output 5 [2021-06-05 06:09:04,826 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:05,599 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2021-06-05 06:09:05,600 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-06-05 06:09:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:05,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 06:09:05,612 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:05,619 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:09:05,619 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:05,978 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-05 06:09:05,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:05,979 INFO L518 ElimStorePlain]: Eliminatee v_prenex_709 vanished before elimination [2021-06-05 06:09:05,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:05,992 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 15 treesize of output 9 [2021-06-05 06:09:05,993 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:05,999 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:09:06,000 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:06,325 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-05 06:09:06,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:06,337 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 17 treesize of output 11 [2021-06-05 06:09:06,338 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:06,364 INFO L354 Elim1Store]: treesize reduction 8, result has 57.9 percent of original size [2021-06-05 06:09:06,364 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 22 treesize of output 24 [2021-06-05 06:09:06,366 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:06,686 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-05 06:09:06,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:06,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:06,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 06:09:06,699 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:06,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-05 06:09:06,705 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:07,005 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-06-05 06:09:07,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:07,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:07,032 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:07,032 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 24 treesize of output 30 [2021-06-05 06:09:07,039 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-06-05 06:09:07,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:07,049 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 26 treesize of output 12 [2021-06-05 06:09:07,050 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:07,623 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-06-05 06:09:07,623 INFO L628 ElimStorePlain]: treesize reduction 20, result has 96.6 percent of original size [2021-06-05 06:09:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:07,642 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:07,642 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 1 case distinctions, treesize of input 20 treesize of output 20 [2021-06-05 06:09:07,646 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-06-05 06:09:07,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:07,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-05 06:09:07,655 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:08,167 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-05 06:09:08,167 INFO L628 ElimStorePlain]: treesize reduction 6, result has 98.9 percent of original size [2021-06-05 06:09:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:08,192 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:08,192 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 22 treesize of output 32 [2021-06-05 06:09:08,198 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-06-05 06:09:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:08,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:08,214 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 22 treesize of output 24 [2021-06-05 06:09:08,219 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2021-06-05 06:09:08,731 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2021-06-05 06:09:08,731 INFO L628 ElimStorePlain]: treesize reduction 13, result has 97.5 percent of original size [2021-06-05 06:09:08,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:08,750 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:08,750 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 29 treesize of output 25 [2021-06-05 06:09:08,754 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:08,791 INFO L354 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2021-06-05 06:09:08,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 39 [2021-06-05 06:09:08,795 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:09,020 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-05 06:09:09,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:09,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:09,043 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:09,044 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 22 treesize of output 30 [2021-06-05 06:09:09,052 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-06-05 06:09:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:09:09,068 INFO L354 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2021-06-05 06:09:09,068 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 22 treesize of output 18 [2021-06-05 06:09:09,069 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:09:09,285 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-05 06:09:09,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:09:09,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 14 dim-1 vars, End of recursive call: and 14 xjuncts. [2021-06-05 06:09:09,302 INFO L247 ElimStorePlain]: Needed 23 recursive calls to eliminate 25 variables, input treesize:1131, output treesize:240 [2021-06-05 06:09:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 06:09:09,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595729667] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:09:09,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:09:09,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 16] total 21 [2021-06-05 06:09:09,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568647260] [2021-06-05 06:09:09,445 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 06:09:09,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:09:09,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 06:09:09,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-06-05 06:09:09,446 INFO L87 Difference]: Start difference. First operand 11105 states and 40522 transitions. Second operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 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) [2021-06-05 06:09:10,692 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-06-05 06:09:12,252 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-06-05 06:09:12,505 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-06-05 06:09:14,189 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2021-06-05 06:09:14,654 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-06-05 06:09:14,921 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-06-05 06:09:16,114 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2021-06-05 06:09:16,799 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-06-05 06:09:17,296 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-06-05 06:09:18,118 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-06-05 06:09:20,911 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 300 DAG size of output: 191 [2021-06-05 06:09:22,281 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2021-06-05 06:09:22,709 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-06-05 06:09:23,314 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-06-05 06:09:24,017 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-06-05 06:09:25,081 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2021-06-05 06:09:26,053 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2021-06-05 06:09:27,133 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-06-05 06:09:27,753 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-06-05 06:09:28,435 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 234 [2021-06-05 06:09:28,886 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-06-05 06:09:29,794 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2021-06-05 06:09:30,651 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-06-05 06:09:31,627 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-06-05 06:09:33,911 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 330 DAG size of output: 324 [2021-06-05 06:09:36,998 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 301 DAG size of output: 192 [2021-06-05 06:09:37,560 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 141 [2021-06-05 06:09:38,405 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-06-05 06:09:39,484 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-06-05 06:09:42,336 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 367 DAG size of output: 226 [2021-06-05 06:09:43,492 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2021-06-05 06:09:46,088 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 330 DAG size of output: 326 [2021-06-05 06:09:49,121 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 301 DAG size of output: 194 [2021-06-05 06:09:51,504 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 328 DAG size of output: 322 [2021-06-05 06:09:52,028 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-05 06:09:52,470 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-05 06:09:55,309 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 299 DAG size of output: 190 [2021-06-05 06:09:57,947 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 328 DAG size of output: 324 [2021-06-05 06:09:58,441 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-06-05 06:09:58,771 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-06-05 06:10:01,491 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 368 DAG size of output: 227 [2021-06-05 06:10:04,666 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 299 DAG size of output: 192 [2021-06-05 06:10:05,121 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-05 06:10:08,647 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 368 DAG size of output: 229 [2021-06-05 06:10:09,051 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-06-05 06:10:09,614 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-05 06:10:09,968 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-06-05 06:10:11,942 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 242 DAG size of output: 226 [2021-06-05 06:10:12,315 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-05 06:10:14,809 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 366 DAG size of output: 225 [2021-06-05 06:10:17,066 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2021-06-05 06:10:19,757 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 366 DAG size of output: 227 [2021-06-05 06:10:20,221 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-06-05 06:10:20,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:20,824 INFO L93 Difference]: Finished difference Result 21822 states and 74959 transitions. [2021-06-05 06:10:20,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-05 06:10:20,825 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 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) Word has length 35 [2021-06-05 06:10:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:20,862 INFO L225 Difference]: With dead ends: 21822 [2021-06-05 06:10:20,862 INFO L226 Difference]: Without dead ends: 21590 [2021-06-05 06:10:20,864 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 14 SyntacticMatches, 7 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4587 ImplicationChecksByTransitivity, 70164.8ms TimeCoverageRelationStatistics Valid=2020, Invalid=10190, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 06:10:20,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21590 states. [2021-06-05 06:10:21,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21590 to 10647. [2021-06-05 06:10:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10647 states, 10646 states have (on average 3.6323501784707872) internal successors, (38670), 10646 states have internal predecessors, (38670), 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) [2021-06-05 06:10:21,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10647 states to 10647 states and 38670 transitions. [2021-06-05 06:10:21,110 INFO L78 Accepts]: Start accepts. Automaton has 10647 states and 38670 transitions. Word has length 35 [2021-06-05 06:10:21,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:21,110 INFO L482 AbstractCegarLoop]: Abstraction has 10647 states and 38670 transitions. [2021-06-05 06:10:21,110 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 21 states have internal predecessors, (65), 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) [2021-06-05 06:10:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10647 states and 38670 transitions. [2021-06-05 06:10:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:10:21,124 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:21,125 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:21,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5156 [2021-06-05 06:10:21,335 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:21,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:21,335 INFO L82 PathProgramCache]: Analyzing trace with hash 816089412, now seen corresponding path program 40 times [2021-06-05 06:10:21,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:21,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318427783] [2021-06-05 06:10:21,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:10:21,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:21,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318427783] [2021-06-05 06:10:21,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318427783] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:21,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852359623] [2021-06-05 06:10:21,360 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:21,388 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 06:10:21,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:21,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:21,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:10:21,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852359623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:21,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:21,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-05 06:10:21,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269558502] [2021-06-05 06:10:21,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 06:10:21,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:21,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 06:10:21,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 06:10:21,425 INFO L87 Difference]: Start difference. First operand 10647 states and 38670 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:10:21,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:21,546 INFO L93 Difference]: Finished difference Result 12594 states and 44270 transitions. [2021-06-05 06:10:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 06:10:21,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 06:10:21,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:21,569 INFO L225 Difference]: With dead ends: 12594 [2021-06-05 06:10:21,570 INFO L226 Difference]: Without dead ends: 12570 [2021-06-05 06:10:21,570 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 34.3ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-06-05 06:10:21,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12570 states. [2021-06-05 06:10:21,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12570 to 10369. [2021-06-05 06:10:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10369 states, 10368 states have (on average 3.6480516975308643) internal successors, (37823), 10368 states have internal predecessors, (37823), 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) [2021-06-05 06:10:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10369 states to 10369 states and 37823 transitions. [2021-06-05 06:10:21,751 INFO L78 Accepts]: Start accepts. Automaton has 10369 states and 37823 transitions. Word has length 35 [2021-06-05 06:10:21,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:21,751 INFO L482 AbstractCegarLoop]: Abstraction has 10369 states and 37823 transitions. [2021-06-05 06:10:21,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:10:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 10369 states and 37823 transitions. [2021-06-05 06:10:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:10:21,765 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:21,765 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:21,966 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10341 [2021-06-05 06:10:21,966 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:21,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:21,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1386836804, now seen corresponding path program 41 times [2021-06-05 06:10:21,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:21,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953192887] [2021-06-05 06:10:21,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:10:22,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:22,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953192887] [2021-06-05 06:10:22,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953192887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:22,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784817768] [2021-06-05 06:10:22,016 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:22,049 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 06:10:22,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:22,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:22,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:10:22,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784817768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:22,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:22,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-05 06:10:22,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500476784] [2021-06-05 06:10:22,086 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 06:10:22,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:22,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 06:10:22,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-05 06:10:22,087 INFO L87 Difference]: Start difference. First operand 10369 states and 37823 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-05 06:10:22,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:22,209 INFO L93 Difference]: Finished difference Result 15040 states and 53745 transitions. [2021-06-05 06:10:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 06:10:22,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) Word has length 35 [2021-06-05 06:10:22,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:22,239 INFO L225 Difference]: With dead ends: 15040 [2021-06-05 06:10:22,239 INFO L226 Difference]: Without dead ends: 15001 [2021-06-05 06:10:22,239 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 48.5ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-05 06:10:22,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15001 states. [2021-06-05 06:10:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15001 to 13247. [2021-06-05 06:10:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13247 states, 13246 states have (on average 3.6953042427902765) internal successors, (48948), 13246 states have internal predecessors, (48948), 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) [2021-06-05 06:10:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13247 states to 13247 states and 48948 transitions. [2021-06-05 06:10:22,576 INFO L78 Accepts]: Start accepts. Automaton has 13247 states and 48948 transitions. Word has length 35 [2021-06-05 06:10:22,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:22,576 INFO L482 AbstractCegarLoop]: Abstraction has 13247 states and 48948 transitions. [2021-06-05 06:10:22,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-06-05 06:10:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 13247 states and 48948 transitions. [2021-06-05 06:10:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:10:22,598 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:22,598 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:22,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10342,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:22,799 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:22,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:22,799 INFO L82 PathProgramCache]: Analyzing trace with hash -262474712, now seen corresponding path program 42 times [2021-06-05 06:10:22,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:22,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446127208] [2021-06-05 06:10:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:10:22,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:22,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446127208] [2021-06-05 06:10:22,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446127208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:22,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388047069] [2021-06-05 06:10:22,823 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:22,865 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 06:10:22,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:22,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-05 06:10:22,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 06:10:22,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388047069] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:22,952 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:22,952 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-06-05 06:10:22,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232831643] [2021-06-05 06:10:22,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 06:10:22,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:22,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 06:10:22,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-05 06:10:22,953 INFO L87 Difference]: Start difference. First operand 13247 states and 48948 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 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) [2021-06-05 06:10:24,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:24,150 INFO L93 Difference]: Finished difference Result 32581 states and 108614 transitions. [2021-06-05 06:10:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-05 06:10:24,150 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 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) Word has length 35 [2021-06-05 06:10:24,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:24,213 INFO L225 Difference]: With dead ends: 32581 [2021-06-05 06:10:24,213 INFO L226 Difference]: Without dead ends: 32062 [2021-06-05 06:10:24,214 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1795 ImplicationChecksByTransitivity, 668.4ms TimeCoverageRelationStatistics Valid=1195, Invalid=3775, Unknown=0, NotChecked=0, Total=4970 [2021-06-05 06:10:24,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32062 states. [2021-06-05 06:10:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32062 to 12636. [2021-06-05 06:10:24,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12636 states, 12635 states have (on average 3.6745548080728136) internal successors, (46428), 12635 states have internal predecessors, (46428), 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) [2021-06-05 06:10:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12636 states to 12636 states and 46428 transitions. [2021-06-05 06:10:24,542 INFO L78 Accepts]: Start accepts. Automaton has 12636 states and 46428 transitions. Word has length 35 [2021-06-05 06:10:24,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:24,542 INFO L482 AbstractCegarLoop]: Abstraction has 12636 states and 46428 transitions. [2021-06-05 06:10:24,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 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) [2021-06-05 06:10:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 12636 states and 46428 transitions. [2021-06-05 06:10:24,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:10:24,560 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:24,560 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:24,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10343 [2021-06-05 06:10:24,761 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:24,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:24,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1986810880, now seen corresponding path program 43 times [2021-06-05 06:10:24,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:24,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051317590] [2021-06-05 06:10:24,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 06:10:24,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:24,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051317590] [2021-06-05 06:10:24,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051317590] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:24,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270433973] [2021-06-05 06:10:24,784 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:24,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:24,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 06:10:24,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270433973] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:24,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:24,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-05 06:10:24,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449811550] [2021-06-05 06:10:24,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 06:10:24,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:24,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 06:10:24,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-05 06:10:24,856 INFO L87 Difference]: Start difference. First operand 12636 states and 46428 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2021-06-05 06:10:25,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:25,009 INFO L93 Difference]: Finished difference Result 23526 states and 84900 transitions. [2021-06-05 06:10:25,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 06:10:25,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) Word has length 35 [2021-06-05 06:10:25,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:25,055 INFO L225 Difference]: With dead ends: 23526 [2021-06-05 06:10:25,055 INFO L226 Difference]: Without dead ends: 23412 [2021-06-05 06:10:25,056 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 34.2ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-06-05 06:10:25,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23412 states. [2021-06-05 06:10:25,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23412 to 19623. [2021-06-05 06:10:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19623 states, 19622 states have (on average 3.7180205891346447) internal successors, (72955), 19622 states have internal predecessors, (72955), 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) [2021-06-05 06:10:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19623 states to 19623 states and 72955 transitions. [2021-06-05 06:10:25,414 INFO L78 Accepts]: Start accepts. Automaton has 19623 states and 72955 transitions. Word has length 35 [2021-06-05 06:10:25,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:25,414 INFO L482 AbstractCegarLoop]: Abstraction has 19623 states and 72955 transitions. [2021-06-05 06:10:25,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2021-06-05 06:10:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 19623 states and 72955 transitions. [2021-06-05 06:10:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:10:25,441 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:25,441 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:25,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10344 [2021-06-05 06:10:25,641 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:25,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:25,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1730689920, now seen corresponding path program 44 times [2021-06-05 06:10:25,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:25,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880096838] [2021-06-05 06:10:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 06:10:25,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:25,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880096838] [2021-06-05 06:10:25,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880096838] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:25,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506736050] [2021-06-05 06:10:25,669 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:25,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 06:10:25,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:25,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:25,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 06:10:25,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506736050] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:25,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:25,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-06-05 06:10:25,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400390625] [2021-06-05 06:10:25,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 06:10:25,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:25,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 06:10:25,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-05 06:10:25,752 INFO L87 Difference]: Start difference. First operand 19623 states and 72955 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:10:25,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:25,952 INFO L93 Difference]: Finished difference Result 24857 states and 88380 transitions. [2021-06-05 06:10:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 06:10:25,952 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-06-05 06:10:25,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:26,003 INFO L225 Difference]: With dead ends: 24857 [2021-06-05 06:10:26,003 INFO L226 Difference]: Without dead ends: 24857 [2021-06-05 06:10:26,003 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 63.1ms TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-06-05 06:10:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24857 states. [2021-06-05 06:10:26,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24857 to 20199. [2021-06-05 06:10:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 20198 states have (on average 3.685513417170017) internal successors, (74440), 20198 states have internal predecessors, (74440), 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) [2021-06-05 06:10:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 74440 transitions. [2021-06-05 06:10:26,490 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 74440 transitions. Word has length 35 [2021-06-05 06:10:26,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:26,490 INFO L482 AbstractCegarLoop]: Abstraction has 20199 states and 74440 transitions. [2021-06-05 06:10:26,490 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 06:10:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 74440 transitions. [2021-06-05 06:10:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-06-05 06:10:26,521 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:26,521 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:26,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10345,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:26,721 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:26,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:26,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1660535036, now seen corresponding path program 45 times [2021-06-05 06:10:26,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:26,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826708563] [2021-06-05 06:10:26,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 06:10:26,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:26,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826708563] [2021-06-05 06:10:26,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826708563] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:26,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465889357] [2021-06-05 06:10:26,755 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:26,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 06:10:26,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:26,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:26,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 06:10:26,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465889357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:26,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:26,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-05 06:10:26,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634471143] [2021-06-05 06:10:26,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 06:10:26,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:26,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 06:10:26,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-05 06:10:26,845 INFO L87 Difference]: Start difference. First operand 20199 states and 74440 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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) [2021-06-05 06:10:27,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:27,016 INFO L93 Difference]: Finished difference Result 23811 states and 85228 transitions. [2021-06-05 06:10:27,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 06:10:27,017 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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) Word has length 35 [2021-06-05 06:10:27,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:27,062 INFO L225 Difference]: With dead ends: 23811 [2021-06-05 06:10:27,062 INFO L226 Difference]: Without dead ends: 23731 [2021-06-05 06:10:27,062 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 48.1ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-06-05 06:10:27,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23731 states. [2021-06-05 06:10:27,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23731 to 20741. [2021-06-05 06:10:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20741 states, 20740 states have (on average 3.660221793635487) internal successors, (75913), 20740 states have internal predecessors, (75913), 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) [2021-06-05 06:10:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20741 states to 20741 states and 75913 transitions. [2021-06-05 06:10:27,437 INFO L78 Accepts]: Start accepts. Automaton has 20741 states and 75913 transitions. Word has length 35 [2021-06-05 06:10:27,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:27,437 INFO L482 AbstractCegarLoop]: Abstraction has 20741 states and 75913 transitions. [2021-06-05 06:10:27,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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) [2021-06-05 06:10:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 20741 states and 75913 transitions. [2021-06-05 06:10:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 06:10:27,464 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:27,464 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:27,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10346 [2021-06-05 06:10:27,665 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:27,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:27,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1011563704, now seen corresponding path program 46 times [2021-06-05 06:10:27,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:27,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3693287] [2021-06-05 06:10:27,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 06:10:27,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:27,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3693287] [2021-06-05 06:10:27,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3693287] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:27,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950946847] [2021-06-05 06:10:27,695 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:27,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 06:10:27,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:27,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:27,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 06:10:27,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950946847] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:27,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:27,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-05 06:10:27,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181245504] [2021-06-05 06:10:27,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 06:10:27,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:27,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 06:10:27,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-05 06:10:27,785 INFO L87 Difference]: Start difference. First operand 20741 states and 75913 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 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) [2021-06-05 06:10:28,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:28,708 INFO L93 Difference]: Finished difference Result 63883 states and 227418 transitions. [2021-06-05 06:10:28,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-05 06:10:28,708 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 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) Word has length 36 [2021-06-05 06:10:28,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:28,869 INFO L225 Difference]: With dead ends: 63883 [2021-06-05 06:10:28,869 INFO L226 Difference]: Without dead ends: 61708 [2021-06-05 06:10:28,869 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 340.7ms TimeCoverageRelationStatistics Valid=605, Invalid=1747, Unknown=0, NotChecked=0, Total=2352 [2021-06-05 06:10:28,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61708 states. [2021-06-05 06:10:29,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61708 to 37262. [2021-06-05 06:10:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37262 states, 37261 states have (on average 3.697377955503073) internal successors, (137768), 37261 states have internal predecessors, (137768), 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) [2021-06-05 06:10:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37262 states to 37262 states and 137768 transitions. [2021-06-05 06:10:29,862 INFO L78 Accepts]: Start accepts. Automaton has 37262 states and 137768 transitions. Word has length 36 [2021-06-05 06:10:29,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:29,862 INFO L482 AbstractCegarLoop]: Abstraction has 37262 states and 137768 transitions. [2021-06-05 06:10:29,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 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) [2021-06-05 06:10:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 37262 states and 137768 transitions. [2021-06-05 06:10:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 06:10:29,915 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:29,915 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:30,115 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10347 [2021-06-05 06:10:30,116 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:30,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:30,116 INFO L82 PathProgramCache]: Analyzing trace with hash 320234802, now seen corresponding path program 47 times [2021-06-05 06:10:30,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:30,116 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330412360] [2021-06-05 06:10:30,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 06:10:30,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:30,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330412360] [2021-06-05 06:10:30,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330412360] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:30,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252036889] [2021-06-05 06:10:30,139 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:30,198 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 06:10:30,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:30,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:30,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 06:10:30,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252036889] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:30,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:30,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-05 06:10:30,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902777860] [2021-06-05 06:10:30,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 06:10:30,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:30,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 06:10:30,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-06-05 06:10:30,259 INFO L87 Difference]: Start difference. First operand 37262 states and 137768 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 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) [2021-06-05 06:10:31,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:31,246 INFO L93 Difference]: Finished difference Result 51360 states and 178973 transitions. [2021-06-05 06:10:31,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 06:10:31,246 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 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) Word has length 36 [2021-06-05 06:10:31,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:31,366 INFO L225 Difference]: With dead ends: 51360 [2021-06-05 06:10:31,366 INFO L226 Difference]: Without dead ends: 51245 [2021-06-05 06:10:31,367 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 494.4ms TimeCoverageRelationStatistics Valid=900, Invalid=3260, Unknown=0, NotChecked=0, Total=4160 [2021-06-05 06:10:31,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51245 states. [2021-06-05 06:10:32,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51245 to 29984. [2021-06-05 06:10:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29984 states, 29983 states have (on average 3.6484341126638427) internal successors, (109391), 29983 states have internal predecessors, (109391), 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) [2021-06-05 06:10:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29984 states to 29984 states and 109391 transitions. [2021-06-05 06:10:32,236 INFO L78 Accepts]: Start accepts. Automaton has 29984 states and 109391 transitions. Word has length 36 [2021-06-05 06:10:32,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:32,236 INFO L482 AbstractCegarLoop]: Abstraction has 29984 states and 109391 transitions. [2021-06-05 06:10:32,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 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) [2021-06-05 06:10:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29984 states and 109391 transitions. [2021-06-05 06:10:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-06-05 06:10:32,518 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:32,518 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:32,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10348 [2021-06-05 06:10:32,721 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:32,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:32,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1611245554, now seen corresponding path program 48 times [2021-06-05 06:10:32,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:32,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374643425] [2021-06-05 06:10:32,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 06:10:32,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:32,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374643425] [2021-06-05 06:10:32,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374643425] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:32,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386709431] [2021-06-05 06:10:32,757 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:32,807 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 06:10:32,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:32,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 06:10:32,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 06:10:32,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386709431] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:32,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:32,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-06-05 06:10:32,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659015379] [2021-06-05 06:10:32,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 06:10:32,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:32,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 06:10:32,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-05 06:10:32,875 INFO L87 Difference]: Start difference. First operand 29984 states and 109391 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 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) [2021-06-05 06:10:34,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:34,001 INFO L93 Difference]: Finished difference Result 88037 states and 316542 transitions. [2021-06-05 06:10:34,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 06:10:34,002 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 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) Word has length 37 [2021-06-05 06:10:34,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:34,258 INFO L225 Difference]: With dead ends: 88037 [2021-06-05 06:10:34,259 INFO L226 Difference]: Without dead ends: 87306 [2021-06-05 06:10:34,259 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 386.0ms TimeCoverageRelationStatistics Valid=407, Invalid=999, Unknown=0, NotChecked=0, Total=1406 [2021-06-05 06:10:34,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87306 states. [2021-06-05 06:10:35,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87306 to 51414. [2021-06-05 06:10:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51414 states, 51413 states have (on average 3.710754089432634) internal successors, (190781), 51413 states have internal predecessors, (190781), 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) [2021-06-05 06:10:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51414 states to 51414 states and 190781 transitions. [2021-06-05 06:10:36,045 INFO L78 Accepts]: Start accepts. Automaton has 51414 states and 190781 transitions. Word has length 37 [2021-06-05 06:10:36,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:36,046 INFO L482 AbstractCegarLoop]: Abstraction has 51414 states and 190781 transitions. [2021-06-05 06:10:36,046 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 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) [2021-06-05 06:10:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 51414 states and 190781 transitions. [2021-06-05 06:10:36,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 06:10:36,122 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:36,122 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:36,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10349,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:36,324 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:36,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:36,324 INFO L82 PathProgramCache]: Analyzing trace with hash -788362708, now seen corresponding path program 49 times [2021-06-05 06:10:36,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:36,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814366368] [2021-06-05 06:10:36,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 06:10:36,347 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:36,347 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814366368] [2021-06-05 06:10:36,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814366368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:36,347 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118843316] [2021-06-05 06:10:36,347 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:36,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:36,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 06:10:36,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118843316] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:36,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:36,453 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-06-05 06:10:36,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22587607] [2021-06-05 06:10:36,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 06:10:36,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:36,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 06:10:36,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-06-05 06:10:36,454 INFO L87 Difference]: Start difference. First operand 51414 states and 190781 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 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) [2021-06-05 06:10:36,742 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-06-05 06:10:37,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:37,908 INFO L93 Difference]: Finished difference Result 86651 states and 306862 transitions. [2021-06-05 06:10:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-05 06:10:37,909 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 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) Word has length 38 [2021-06-05 06:10:37,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:38,137 INFO L225 Difference]: With dead ends: 86651 [2021-06-05 06:10:38,137 INFO L226 Difference]: Without dead ends: 86380 [2021-06-05 06:10:38,138 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 613.7ms TimeCoverageRelationStatistics Valid=759, Invalid=2321, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 06:10:38,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86380 states. [2021-06-05 06:10:39,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86380 to 59748. [2021-06-05 06:10:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59748 states, 59747 states have (on average 3.7077175423033792) internal successors, (221525), 59747 states have internal predecessors, (221525), 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) [2021-06-05 06:10:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59748 states to 59748 states and 221525 transitions. [2021-06-05 06:10:39,914 INFO L78 Accepts]: Start accepts. Automaton has 59748 states and 221525 transitions. Word has length 38 [2021-06-05 06:10:39,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:39,915 INFO L482 AbstractCegarLoop]: Abstraction has 59748 states and 221525 transitions. [2021-06-05 06:10:39,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 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) [2021-06-05 06:10:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand 59748 states and 221525 transitions. [2021-06-05 06:10:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 06:10:39,990 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:39,990 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:40,190 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10350,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:40,191 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:40,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:40,191 INFO L82 PathProgramCache]: Analyzing trace with hash 196735476, now seen corresponding path program 50 times [2021-06-05 06:10:40,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:40,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541657657] [2021-06-05 06:10:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-05 06:10:40,216 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:40,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541657657] [2021-06-05 06:10:40,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541657657] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:40,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200288772] [2021-06-05 06:10:40,216 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:40,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 06:10:40,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:40,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 06:10:40,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 06:10:40,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200288772] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:40,321 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 06:10:40,321 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-06-05 06:10:40,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720439323] [2021-06-05 06:10:40,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 06:10:40,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 06:10:40,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 06:10:40,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-05 06:10:40,322 INFO L87 Difference]: Start difference. First operand 59748 states and 221525 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 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) [2021-06-05 06:10:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 06:10:41,720 INFO L93 Difference]: Finished difference Result 72805 states and 259035 transitions. [2021-06-05 06:10:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 06:10:41,721 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 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) Word has length 38 [2021-06-05 06:10:41,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 06:10:41,896 INFO L225 Difference]: With dead ends: 72805 [2021-06-05 06:10:41,897 INFO L226 Difference]: Without dead ends: 72671 [2021-06-05 06:10:41,897 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 442.9ms TimeCoverageRelationStatistics Valid=750, Invalid=2220, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 06:10:41,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72671 states. [2021-06-05 06:10:43,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72671 to 55854. [2021-06-05 06:10:43,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55854 states, 55853 states have (on average 3.6992999480779902) internal successors, (206617), 55853 states have internal predecessors, (206617), 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) [2021-06-05 06:10:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55854 states to 55854 states and 206617 transitions. [2021-06-05 06:10:43,455 INFO L78 Accepts]: Start accepts. Automaton has 55854 states and 206617 transitions. Word has length 38 [2021-06-05 06:10:43,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 06:10:43,455 INFO L482 AbstractCegarLoop]: Abstraction has 55854 states and 206617 transitions. [2021-06-05 06:10:43,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 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) [2021-06-05 06:10:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 55854 states and 206617 transitions. [2021-06-05 06:10:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 06:10:43,531 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 06:10:43,531 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 06:10:43,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10351,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:43,732 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 06:10:43,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 06:10:43,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1300156100, now seen corresponding path program 51 times [2021-06-05 06:10:43,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 06:10:43,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743125370] [2021-06-05 06:10:43,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 06:10:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 06:10:44,873 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 104 [2021-06-05 06:10:45,037 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 44 [2021-06-05 06:10:45,601 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 122 [2021-06-05 06:10:45,754 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 34 [2021-06-05 06:10:46,220 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 129 [2021-06-05 06:10:46,385 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 40 [2021-06-05 06:10:46,531 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 127 [2021-06-05 06:10:46,853 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 61 [2021-06-05 06:10:46,976 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 122 [2021-06-05 06:10:47,269 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 56 [2021-06-05 06:10:47,400 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 116 [2021-06-05 06:10:47,554 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2021-06-05 06:10:47,678 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 115 [2021-06-05 06:10:47,964 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 58 [2021-06-05 06:10:48,069 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 114 [2021-06-05 06:10:48,355 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 57 [2021-06-05 06:10:48,665 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2021-06-05 06:10:48,961 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2021-06-05 06:10:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 06:10:49,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 06:10:49,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743125370] [2021-06-05 06:10:49,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743125370] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 06:10:49,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907647343] [2021-06-05 06:10:49,167 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 06:10:49,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 06:10:49,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 06:10:49,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-05 06:10:49,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 06:10:53,083 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 157 [2021-06-05 06:10:57,360 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification that was a NOOP. DAG size: 856 [2021-06-05 06:10:59,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:10:59,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:10:59,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:10:59,610 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:10:59,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:10:59,669 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:10:59,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:10:59,726 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:10:59,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:10:59,789 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:10:59,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:10:59,849 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:10:59,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:10:59,907 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:10:59,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:10:59,971 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,031 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,095 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,160 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,223 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,288 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,355 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,421 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,489 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,557 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,627 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,696 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,763 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,832 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,908 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:00,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:00,986 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,060 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,131 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,212 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,288 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,362 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,450 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,529 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,604 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,680 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,758 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,836 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,913 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:01,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:01,994 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,076 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,158 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,242 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,326 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,409 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,511 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,594 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,677 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,763 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,848 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:02,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:02,935 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,023 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,109 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,197 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,288 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,380 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,475 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,572 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,666 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,764 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,864 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:03,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:03,961 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:04,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:04,060 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:04,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:04,156 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:04,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:04,256 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:04,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:04,355 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:04,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:04,456 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:04,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-05 06:11:04,557 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:08,113 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 736 [2021-06-05 06:11:08,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:11:08,222 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-1 vars, End of recursive call: 64 dim-0 vars, and 64 xjuncts. [2021-06-05 06:11:08,222 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:5793, output treesize:5729 [2021-06-05 06:11:12,594 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 864 [2021-06-05 06:11:13,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:13,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:13,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:13,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:13,771 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:13,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:13,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:13,840 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:13,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:13,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:13,910 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:13,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:13,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:13,981 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,050 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,123 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,206 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,274 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,343 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,413 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,491 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,571 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,645 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,722 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,798 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,874 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:14,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:14,955 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,037 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,119 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,201 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,285 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,367 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,453 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,535 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,623 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,711 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,798 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,883 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:15,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:15,970 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,056 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,143 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,229 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,319 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,410 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,499 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,593 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,696 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,785 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,880 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:16,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:16,974 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,065 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,162 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,257 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,348 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,442 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,538 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,636 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,730 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,827 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:17,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:17,928 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,026 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,126 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,224 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,326 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,429 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,546 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,647 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,752 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,857 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:18,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:18,963 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:19,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:19,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:19,068 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:19,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:19,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:19,175 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:19,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-05 06:11:19,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-05 06:11:19,277 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:23,123 WARN L205 SmtUtils]: Spent 3.85 s on a formula simplification that was a NOOP. DAG size: 744 [2021-06-05 06:11:23,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:11:23,226 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 745 [2021-06-05 06:11:23,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-1 vars, End of recursive call: 64 dim-0 vars, and 64 xjuncts. [2021-06-05 06:11:23,305 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:6881, output treesize:6817 [2021-06-05 06:11:28,435 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 872 [2021-06-05 06:11:34,122 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification that was a NOOP. DAG size: 873 [2021-06-05 06:11:35,759 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_880, v_prenex_883, v_prenex_961, v_prenex_841, v_prenex_886, v_prenex_910, v_prenex_877, v_prenex_955, v_prenex_835, v_prenex_913, v_prenex_958, v_prenex_838, v_prenex_916, v_prenex_919, v_prenex_790, v_prenex_793, v_prenex_871, v_prenex_796, v_prenex_874, v_prenex_952, v_prenex_799, v_prenex_832, v_prenex_943, v_prenex_823, v_prenex_868, v_prenex_901, v_prenex_946, v_prenex_826, v_prenex_904, v_prenex_949, v_prenex_829, v_prenex_907, v_prenex_781, v_prenex_784, v_prenex_862, v_prenex_940, v_prenex_820, v_prenex_787, v_prenex_865, v_prenex_811, v_prenex_778, v_prenex_856, v_prenex_934, v_prenex_814, v_prenex_859, v_prenex_937, v_prenex_817, v_C_67, v_prenex_892, v_prenex_850, v_prenex_895, v_prenex_775, v_prenex_853, v_prenex_898, v_prenex_931, v_prenex_844, v_prenex_889, v_prenex_922, v_prenex_802, v_prenex_847, v_prenex_925, v_prenex_805, v_prenex_928, v_prenex_808], 4=[v_prenex_881, v_prenex_882, v_prenex_884, v_prenex_885, v_prenex_920, v_prenex_887, v_prenex_911, v_prenex_878, v_prenex_912, v_prenex_879, v_prenex_914, v_prenex_915, v_prenex_917, v_prenex_918, v_prenex_870, v_prenex_872, v_prenex_873, v_prenex_875, v_prenex_876, v_prenex_866, v_prenex_900, v_prenex_867, v_prenex_869, v_prenex_902, v_prenex_903, v_prenex_905, v_prenex_906, v_prenex_908, v_prenex_909, v_prenex_860, v_prenex_861, v_prenex_863, v_prenex_864, v_prenex_855, v_prenex_857, v_prenex_858, v_prenex_851, v_prenex_852, v_prenex_854, v_prenex_845, v_prenex_846, v_prenex_848, v_prenex_849, v_prenex_960, v_prenex_840, v_prenex_962, v_prenex_963, v_prenex_842, v_prenex_843, v_prenex_954, v_prenex_833, v_prenex_834, v_prenex_956, v_prenex_836, v_prenex_957, v_prenex_837, v_prenex_959, v_prenex_839, v_prenex_791, v_prenex_792, v_prenex_794, v_prenex_795, v_prenex_950, v_prenex_830, v_prenex_951, v_prenex_797, v_prenex_831, v_prenex_798, v_prenex_953, v_prenex_822, v_prenex_789, v_prenex_944, v_prenex_945, v_prenex_824, v_prenex_825, v_prenex_947, v_prenex_827, v_prenex_948, v_prenex_828, v_prenex_780, v_prenex_782, v_prenex_783, v_prenex_785, v_prenex_786, v_prenex_941, v_prenex_942, v_prenex_821, v_prenex_788, v_prenex_899, v_prenex_932, v_prenex_933, v_prenex_812, v_prenex_779, v_prenex_813, v_prenex_935, v_prenex_815, v_prenex_936, v_prenex_816, v_prenex_938, v_prenex_939, v_prenex_818, v_prenex_819, v_prenex_890, v_prenex_891, v_prenex_893, v_prenex_894, v_prenex_896, v_prenex_776, v_prenex_897, v_prenex_930, v_prenex_777, v_prenex_810, v_prenex_921, v_prenex_800, v_prenex_888, v_prenex_801, A, v_prenex_923, B, v_prenex_803, v_prenex_924, v_prenex_804, v_prenex_926, v_prenex_806, v_prenex_927, v_prenex_807, v_prenex_929, v_prenex_809]} [2021-06-05 06:11:35,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:11:35,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:44,853 WARN L205 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 2383 [2021-06-05 06:11:44,854 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:11:45,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:11:45,013 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 06:11:53,540 WARN L205 SmtUtils]: Spent 8.53 s on a formula simplification that was a NOOP. DAG size: 2379 [2021-06-05 06:11:53,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:11:53,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:11:53,697 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 06:12:02,492 WARN L205 SmtUtils]: Spent 8.79 s on a formula simplification that was a NOOP. DAG size: 2375 [2021-06-05 06:12:02,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:12:02,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:12:02,645 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 06:12:11,019 WARN L205 SmtUtils]: Spent 8.37 s on a formula simplification that was a NOOP. DAG size: 2371 [2021-06-05 06:12:11,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:12:11,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:12:11,180 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 06:12:19,889 WARN L205 SmtUtils]: Spent 8.71 s on a formula simplification that was a NOOP. DAG size: 2367 [2021-06-05 06:12:19,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:12:20,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:12:20,049 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 06:12:28,507 WARN L205 SmtUtils]: Spent 8.46 s on a formula simplification that was a NOOP. DAG size: 2363 [2021-06-05 06:12:28,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:12:28,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:12:28,660 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 06:12:36,924 WARN L205 SmtUtils]: Spent 8.26 s on a formula simplification that was a NOOP. DAG size: 2359 [2021-06-05 06:12:36,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:12:37,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:12:37,104 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 06:12:45,670 WARN L205 SmtUtils]: Spent 8.56 s on a formula simplification that was a NOOP. DAG size: 2355 [2021-06-05 06:12:45,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:12:45,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:12:45,829 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 06:12:54,418 WARN L205 SmtUtils]: Spent 8.59 s on a formula simplification that was a NOOP. DAG size: 2351 [2021-06-05 06:12:54,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:12:54,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:12:54,581 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 06:13:03,287 WARN L205 SmtUtils]: Spent 8.70 s on a formula simplification that was a NOOP. DAG size: 2347 [2021-06-05 06:13:03,288 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:13:03,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:13:03,456 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 06:13:11,827 WARN L205 SmtUtils]: Spent 8.37 s on a formula simplification that was a NOOP. DAG size: 2343 [2021-06-05 06:13:11,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:13:11,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:13:11,995 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 06:13:20,442 WARN L205 SmtUtils]: Spent 8.44 s on a formula simplification that was a NOOP. DAG size: 2339 [2021-06-05 06:13:20,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:13:20,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:13:20,622 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 06:13:28,687 WARN L205 SmtUtils]: Spent 8.06 s on a formula simplification that was a NOOP. DAG size: 2335 [2021-06-05 06:13:28,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:13:28,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:13:28,839 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 06:13:36,859 WARN L205 SmtUtils]: Spent 8.02 s on a formula simplification that was a NOOP. DAG size: 2331 [2021-06-05 06:13:36,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 06:13:37,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 06:13:37,014 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. Received shutdown request... [2021-06-05 06:13:41,150 WARN L222 SmtUtils]: Removed 36 from assertion stack [2021-06-05 06:13:41,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10352 [2021-06-05 06:13:41,351 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 06:13:41,352 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 06:13:41,353 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 06:13:41,354 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 06:13:41 BasicIcfg [2021-06-05 06:13:41,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 06:13:41,354 INFO L168 Benchmark]: Toolchain (without parser) took 780884.46 ms. Allocated memory was 327.2 MB in the beginning and 11.6 GB in the end (delta: 11.2 GB). Free memory was 306.6 MB in the beginning and 8.6 GB in the end (delta: -8.2 GB). Peak memory consumption was 5.6 GB. Max. memory is 16.0 GB. [2021-06-05 06:13:41,354 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 327.2 MB. Free memory was 307.8 MB in the beginning and 307.8 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 06:13:41,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.14 ms. Allocated memory is still 327.2 MB. Free memory was 306.6 MB in the beginning and 305.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 06:13:41,354 INFO L168 Benchmark]: Boogie Preprocessor took 21.19 ms. Allocated memory is still 327.2 MB. Free memory was 305.1 MB in the beginning and 304.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 06:13:41,354 INFO L168 Benchmark]: RCFGBuilder took 308.09 ms. Allocated memory is still 327.2 MB. Free memory was 304.0 MB in the beginning and 289.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-05 06:13:41,354 INFO L168 Benchmark]: TraceAbstraction took 780281.14 ms. Allocated memory was 327.2 MB in the beginning and 11.6 GB in the end (delta: 11.2 GB). Free memory was 289.1 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 5.5 GB. Max. memory is 16.0 GB. [2021-06-05 06:13:41,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 327.2 MB. Free memory was 307.8 MB in the beginning and 307.8 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.14 ms. Allocated memory is still 327.2 MB. Free memory was 306.6 MB in the beginning and 305.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.19 ms. Allocated memory is still 327.2 MB. Free memory was 305.1 MB in the beginning and 304.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 308.09 ms. Allocated memory is still 327.2 MB. Free memory was 304.0 MB in the beginning and 289.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 780281.14 ms. Allocated memory was 327.2 MB in the beginning and 11.6 GB in the end (delta: 11.2 GB). Free memory was 289.1 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 5.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 2327 for 4130ms.. - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 2327 for 4130ms.. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 2327 for 4130ms.. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 2327 for 4130ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 780135.7ms, OverallIterations: 56, TraceHistogramMax: 3, EmptinessCheckTime: 1081.7ms, AutomataDifference: 138279.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 38.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2236 SDtfs, 12247 SDslu, 13691 SDs, 0 SdLazy, 30386 SolverSat, 2365 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 23105.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2973 GetRequests, 1332 SyntacticMatches, 25 SemanticMatches, 1616 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22964 ImplicationChecksByTransitivity, 140368.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=59748occurred in iteration=54, InterpolantAutomatonStates: 1320, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13771.1ms AutomataMinimizationTime, 55 MinimizatonAttempts, 261522 StatesRemovedByMinimization, 55 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 279.0ms SsaConstructionTime, 1206.2ms SatisfiabilityAnalysisTime, 436322.7ms InterpolantComputationTime, 3371 NumberOfCodeBlocks, 3358 NumberOfCodeBlocksAsserted, 173 NumberOfCheckSat, 3267 ConstructedInterpolants, 67 QuantifiedInterpolants, 128080 SizeOfPredicates, 135 NumberOfNonLiveVariables, 4228 ConjunctsInSsa, 895 ConjunctsInUnsatCore, 104 InterpolantComputations, 6 PerfectInterpolantSequences, 484/1370 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown