/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 20:13:56,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 20:13:56,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 20:13:56,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 20:13:56,854 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 [2021-07-13 20:13:56,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 20:13:56,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 20:13:56,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 20:13:56,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 20:13:56,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 20:13:56,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 20:13:56,882 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 20:13:56,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 20:13:56,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 20:13:56,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 20:13:56,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 20:13:56,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 20:13:56,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 20:13:56,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 20:13:56,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 20:13:56,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 20:13:56,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 20:13:56,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 20:13:56,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 20:13:56,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 20:13:56,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 20:13:56,885 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 20:13:56,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 20:13:56,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 20:13:57,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 20:13:57,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 20:13:57,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 20:13:57,152 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 20:13:57,153 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 20:13:57,154 INFO L432 ainManager$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 [2021-07-13 20:13:57,154 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2021-07-13 20:13:57,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 20:13:57,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 20:13:57,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 20:13:57,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 20:13:57,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 20:13:57,204 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,211 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 20:13:57,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 20:13:57,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 20:13:57,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 20:13:57,225 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,226 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,226 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,226 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,228 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,231 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,232 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 13.07 08:13:57" (1/1) ... [2021-07-13 20:13:57,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 20:13:57,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 20:13:57,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 20:13:57,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 20:13:57,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:13:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 20:13:57,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 20:13:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 20:13:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 20:13:57,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 20:13:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 20:13:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 20:13:57,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 20:13:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 20:13:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 20:13:57,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-13 20:13:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-13 20:13:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-13 20:13:57,328 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 20:13:57,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 20:13:57,505 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-13 20:13:57,506 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 08:13:57 BoogieIcfgContainer [2021-07-13 20:13:57,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 20:13:57,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 20:13:57,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 20:13:57,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 20:13:57,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 08:13:57" (1/2) ... [2021-07-13 20:13:57,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b7392f and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 08:13:57, skipping insertion in model container [2021-07-13 20:13:57,511 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 13.07 08:13:57" (2/2) ... [2021-07-13 20:13:57,511 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2021-07-13 20:13:57,515 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 20:13:57,515 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 20:13:57,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 20:13:57,516 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 20:13:57,553 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-13 20:13:57,573 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-13 20:13:57,586 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 20:13:57,586 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 20:13:57,586 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 20:13:57,586 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 20:13:57,587 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 20:13:57,587 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 20:13:57,587 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 20:13:57,587 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 20:13:57,593 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 32 transitions, 88 flow [2021-07-13 20:13:57,609 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 134 states, 133 states have (on average 2.9774436090225564) internal successors, (396), 133 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 20:13:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 133 states have (on average 2.9774436090225564) internal successors, (396), 133 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 20:13:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-07-13 20:13:57,617 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:13:57,617 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 20:13:57,618 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:13:57,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:13:57,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1734431870, now seen corresponding path program 1 times [2021-07-13 20:13:57,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:13:57,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483110833] [2021-07-13 20:13:57,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:13:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:13:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:13:57,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:13:57,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483110833] [2021-07-13 20:13:57,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483110833] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 20:13:57,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 20:13:57,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 20:13:57,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052074851] [2021-07-13 20:13:57,803 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 20:13:57,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:13:57,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 20:13:57,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-13 20:13:57,814 INFO L87 Difference]: Start difference. First operand has 134 states, 133 states have (on average 2.9774436090225564) internal successors, (396), 133 states have internal predecessors, (396), 0 states have call successors, (0), 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) [2021-07-13 20:13:57,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:13:57,909 INFO L93 Difference]: Finished difference Result 474 states and 1450 transitions. [2021-07-13 20:13:57,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 20:13:57,911 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 [2021-07-13 20:13:57,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:13:57,929 INFO L225 Difference]: With dead ends: 474 [2021-07-13 20:13:57,929 INFO L226 Difference]: Without dead ends: 388 [2021-07-13 20:13:57,932 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 34.3ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-13 20:13:57,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-07-13 20:13:57,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 176. [2021-07-13 20:13:57,986 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) [2021-07-13 20:13:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 541 transitions. [2021-07-13 20:13:57,988 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 541 transitions. Word has length 19 [2021-07-13 20:13:57,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:13:57,989 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 541 transitions. [2021-07-13 20:13:57,989 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) [2021-07-13 20:13:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 541 transitions. [2021-07-13 20:13:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-13 20:13:57,995 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:13:57,995 INFO L508 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] [2021-07-13 20:13:57,996 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 20:13:57,996 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:13:57,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:13:57,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1465060434, now seen corresponding path program 1 times [2021-07-13 20:13:57,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:13:57,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803944884] [2021-07-13 20:13:58,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:13:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:13:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:13:58,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:13:58,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803944884] [2021-07-13 20:13:58,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803944884] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 20:13:58,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 20:13:58,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 20:13:58,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982207045] [2021-07-13 20:13:58,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 20:13:58,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:13:58,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 20:13:58,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 20:13:58,042 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) [2021-07-13 20:13:58,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:13:58,085 INFO L93 Difference]: Finished difference Result 346 states and 1050 transitions. [2021-07-13 20:13:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 20:13:58,085 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 [2021-07-13 20:13:58,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:13:58,087 INFO L225 Difference]: With dead ends: 346 [2021-07-13 20:13:58,087 INFO L226 Difference]: Without dead ends: 323 [2021-07-13 20:13:58,088 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-13 20:13:58,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-07-13 20:13:58,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 253. [2021-07-13 20:13:58,096 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) [2021-07-13 20:13:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 792 transitions. [2021-07-13 20:13:58,097 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 792 transitions. Word has length 22 [2021-07-13 20:13:58,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:13:58,097 INFO L482 AbstractCegarLoop]: Abstraction has 253 states and 792 transitions. [2021-07-13 20:13:58,097 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) [2021-07-13 20:13:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 792 transitions. [2021-07-13 20:13:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-13 20:13:58,099 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:13:58,099 INFO L508 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] [2021-07-13 20:13:58,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-13 20:13:58,099 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:13:58,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:13:58,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1960572944, now seen corresponding path program 2 times [2021-07-13 20:13:58,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:13:58,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8034786] [2021-07-13 20:13:58,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:13:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:13:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:13:58,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:13:58,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8034786] [2021-07-13 20:13:58,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8034786] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 20:13:58,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 20:13:58,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 20:13:58,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917861280] [2021-07-13 20:13:58,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 20:13:58,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:13:58,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 20:13:58,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 20:13:58,126 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) [2021-07-13 20:13:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:13:58,182 INFO L93 Difference]: Finished difference Result 495 states and 1542 transitions. [2021-07-13 20:13:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 20:13:58,183 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 [2021-07-13 20:13:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:13:58,185 INFO L225 Difference]: With dead ends: 495 [2021-07-13 20:13:58,185 INFO L226 Difference]: Without dead ends: 472 [2021-07-13 20:13:58,186 INFO L764 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 [2021-07-13 20:13:58,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-07-13 20:13:58,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 304. [2021-07-13 20:13:58,195 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) [2021-07-13 20:13:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 995 transitions. [2021-07-13 20:13:58,201 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 995 transitions. Word has length 22 [2021-07-13 20:13:58,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:13:58,202 INFO L482 AbstractCegarLoop]: Abstraction has 304 states and 995 transitions. [2021-07-13 20:13:58,202 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) [2021-07-13 20:13:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 995 transitions. [2021-07-13 20:13:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-13 20:13:58,204 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:13:58,204 INFO L508 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] [2021-07-13 20:13:58,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-13 20:13:58,204 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:13:58,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:13:58,206 INFO L82 PathProgramCache]: Analyzing trace with hash -515537296, now seen corresponding path program 3 times [2021-07-13 20:13:58,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:13:58,206 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548729961] [2021-07-13 20:13:58,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:13:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:13:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:13:58,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:13:58,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548729961] [2021-07-13 20:13:58,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548729961] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 20:13:58,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 20:13:58,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 20:13:58,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601977719] [2021-07-13 20:13:58,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 20:13:58,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:13:58,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 20:13:58,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 20:13:58,249 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) [2021-07-13 20:13:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:13:58,297 INFO L93 Difference]: Finished difference Result 348 states and 1103 transitions. [2021-07-13 20:13:58,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 20:13:58,297 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 [2021-07-13 20:13:58,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:13:58,299 INFO L225 Difference]: With dead ends: 348 [2021-07-13 20:13:58,299 INFO L226 Difference]: Without dead ends: 348 [2021-07-13 20:13:58,299 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-13 20:13:58,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-07-13 20:13:58,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 296. [2021-07-13 20:13:58,311 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) [2021-07-13 20:13:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 935 transitions. [2021-07-13 20:13:58,312 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 935 transitions. Word has length 22 [2021-07-13 20:13:58,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:13:58,312 INFO L482 AbstractCegarLoop]: Abstraction has 296 states and 935 transitions. [2021-07-13 20:13:58,312 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) [2021-07-13 20:13:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 935 transitions. [2021-07-13 20:13:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-13 20:13:58,313 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:13:58,313 INFO L508 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] [2021-07-13 20:13:58,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-13 20:13:58,314 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:13:58,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:13:58,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1889068504, now seen corresponding path program 1 times [2021-07-13 20:13:58,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:13:58,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816345580] [2021-07-13 20:13:58,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:13:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:13:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:13:58,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:13:58,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816345580] [2021-07-13 20:13:58,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816345580] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 20:13:58,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 20:13:58,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 20:13:58,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332327370] [2021-07-13 20:13:58,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 20:13:58,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:13:58,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 20:13:58,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 20:13:58,360 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) [2021-07-13 20:13:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:13:58,409 INFO L93 Difference]: Finished difference Result 309 states and 971 transitions. [2021-07-13 20:13:58,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 20:13:58,409 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 [2021-07-13 20:13:58,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:13:58,411 INFO L225 Difference]: With dead ends: 309 [2021-07-13 20:13:58,411 INFO L226 Difference]: Without dead ends: 309 [2021-07-13 20:13:58,411 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-13 20:13:58,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-07-13 20:13:58,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 256. [2021-07-13 20:13:58,417 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) [2021-07-13 20:13:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 800 transitions. [2021-07-13 20:13:58,418 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 800 transitions. Word has length 24 [2021-07-13 20:13:58,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:13:58,418 INFO L482 AbstractCegarLoop]: Abstraction has 256 states and 800 transitions. [2021-07-13 20:13:58,419 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) [2021-07-13 20:13:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 800 transitions. [2021-07-13 20:13:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-13 20:13:58,420 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:13:58,420 INFO L508 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] [2021-07-13 20:13:58,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-13 20:13:58,420 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:13:58,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:13:58,421 INFO L82 PathProgramCache]: Analyzing trace with hash 55067308, now seen corresponding path program 1 times [2021-07-13 20:13:58,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:13:58,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805534826] [2021-07-13 20:13:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:13:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:13:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:13:58,701 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:13:58,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805534826] [2021-07-13 20:13:58,702 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805534826] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:13:58,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195708076] [2021-07-13 20:13:58,702 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 [2021-07-13 20:13:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:13:58,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:13:58,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:13:59,267 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 [2021-07-13 20:13:59,276 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:13:59,280 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 [2021-07-13 20:13:59,284 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:13:59,289 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 [2021-07-13 20:13:59,292 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:13:59,296 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 [2021-07-13 20:13:59,299 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:13:59,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:13:59,359 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 [2021-07-13 20:13:59,366 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:13:59,377 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 [2021-07-13 20:13:59,381 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:13:59,386 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 [2021-07-13 20:13:59,389 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:13:59,393 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 [2021-07-13 20:13:59,398 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:13:59,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:13:59,442 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 [2021-07-13 20:13:59,443 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:13:59,448 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 [2021-07-13 20:13:59,452 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:13:59,456 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 [2021-07-13 20:13:59,457 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:13:59,465 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 [2021-07-13 20:13:59,466 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:13:59,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:13:59,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 20:13:59,505 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:197, output treesize:57 [2021-07-13 20:13:59,589 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 [2021-07-13 20:13:59,591 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:13:59,593 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 [2021-07-13 20:13:59,594 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:13:59,598 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-07-13 20:13:59,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2021-07-13 20:13:59,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:13:59,599 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-07-13 20:13:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:13:59,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195708076] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:13:59,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:13:59,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-13 20:13:59,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361727941] [2021-07-13 20:13:59,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 20:13:59,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:13:59,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 20:13:59,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-07-13 20:13:59,609 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) [2021-07-13 20:13:59,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:13:59,831 INFO L93 Difference]: Finished difference Result 525 states and 1652 transitions. [2021-07-13 20:13:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 20:13:59,832 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 [2021-07-13 20:13:59,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:13:59,834 INFO L225 Difference]: With dead ends: 525 [2021-07-13 20:13:59,834 INFO L226 Difference]: Without dead ends: 482 [2021-07-13 20:13:59,834 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 376.3ms TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-07-13 20:13:59,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-07-13 20:13:59,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 373. [2021-07-13 20:13:59,841 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) [2021-07-13 20:13:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 1176 transitions. [2021-07-13 20:13:59,843 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 1176 transitions. Word has length 26 [2021-07-13 20:13:59,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:13:59,843 INFO L482 AbstractCegarLoop]: Abstraction has 373 states and 1176 transitions. [2021-07-13 20:13:59,843 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) [2021-07-13 20:13:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1176 transitions. [2021-07-13 20:13:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-13 20:13:59,844 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:13:59,844 INFO L508 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] [2021-07-13 20:14:00,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-13 20:14:00,063 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:00,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:00,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1009368434, now seen corresponding path program 2 times [2021-07-13 20:14:00,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:00,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417293603] [2021-07-13 20:14:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:14:00,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:00,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417293603] [2021-07-13 20:14:00,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417293603] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 20:14:00,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 20:14:00,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 20:14:00,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537001763] [2021-07-13 20:14:00,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 20:14:00,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:00,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 20:14:00,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 20:14:00,079 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) [2021-07-13 20:14:00,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:00,091 INFO L93 Difference]: Finished difference Result 524 states and 1595 transitions. [2021-07-13 20:14:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 20:14:00,092 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 [2021-07-13 20:14:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:00,094 INFO L225 Difference]: With dead ends: 524 [2021-07-13 20:14:00,094 INFO L226 Difference]: Without dead ends: 476 [2021-07-13 20:14:00,094 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 20:14:00,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-07-13 20:14:00,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 403. [2021-07-13 20:14:00,100 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) [2021-07-13 20:14:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1245 transitions. [2021-07-13 20:14:00,102 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1245 transitions. Word has length 26 [2021-07-13 20:14:00,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:00,102 INFO L482 AbstractCegarLoop]: Abstraction has 403 states and 1245 transitions. [2021-07-13 20:14:00,102 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) [2021-07-13 20:14:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1245 transitions. [2021-07-13 20:14:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-13 20:14:00,103 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:00,103 INFO L508 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] [2021-07-13 20:14:00,103 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-13 20:14:00,103 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:00,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:00,103 INFO L82 PathProgramCache]: Analyzing trace with hash -294633458, now seen corresponding path program 3 times [2021-07-13 20:14:00,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:00,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634591527] [2021-07-13 20:14:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:00,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:00,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634591527] [2021-07-13 20:14:00,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634591527] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:00,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125461889] [2021-07-13 20:14:00,326 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 [2021-07-13 20:14:00,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-13 20:14:00,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:14:00,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:14:00,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:00,459 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 [2021-07-13 20:14:00,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:00,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-07-13 20:14:00,540 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 [2021-07-13 20:14:00,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,545 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 [2021-07-13 20:14:00,546 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,550 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 [2021-07-13 20:14:00,551 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,553 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 [2021-07-13 20:14:00,554 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:00,599 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 [2021-07-13 20:14:00,601 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,604 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 [2021-07-13 20:14:00,606 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,609 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 [2021-07-13 20:14:00,611 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,613 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 [2021-07-13 20:14:00,615 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,632 INFO L628 ElimStorePlain]: treesize reduction 16, result has 67.3 percent of original size [2021-07-13 20:14:00,634 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 20:14:00,634 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:193, output treesize:33 [2021-07-13 20:14:00,687 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 [2021-07-13 20:14:00,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,690 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 [2021-07-13 20:14:00,692 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,696 INFO L628 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2021-07-13 20:14:00,696 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-07-13 20:14:00,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:14:00,697 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:5 [2021-07-13 20:14:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:00,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125461889] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:00,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:00,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2021-07-13 20:14:00,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438430303] [2021-07-13 20:14:00,704 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 20:14:00,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:00,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 20:14:00,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-07-13 20:14:00,705 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) [2021-07-13 20:14:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:00,948 INFO L93 Difference]: Finished difference Result 886 states and 2671 transitions. [2021-07-13 20:14:00,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 20:14:00,949 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 [2021-07-13 20:14:00,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:00,952 INFO L225 Difference]: With dead ends: 886 [2021-07-13 20:14:00,952 INFO L226 Difference]: Without dead ends: 768 [2021-07-13 20:14:00,952 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 322.6ms TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2021-07-13 20:14:00,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-07-13 20:14:00,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 427. [2021-07-13 20:14:00,976 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) [2021-07-13 20:14:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1319 transitions. [2021-07-13 20:14:00,978 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1319 transitions. Word has length 26 [2021-07-13 20:14:00,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:00,978 INFO L482 AbstractCegarLoop]: Abstraction has 427 states and 1319 transitions. [2021-07-13 20:14:00,978 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) [2021-07-13 20:14:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1319 transitions. [2021-07-13 20:14:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-13 20:14:00,979 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:00,979 INFO L508 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] [2021-07-13 20:14:01,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:01,189 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:01,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:01,189 INFO L82 PathProgramCache]: Analyzing trace with hash 108055770, now seen corresponding path program 4 times [2021-07-13 20:14:01,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:01,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652521433] [2021-07-13 20:14:01,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:01,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:01,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652521433] [2021-07-13 20:14:01,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652521433] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:01,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180046943] [2021-07-13 20:14:01,333 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 [2021-07-13 20:14:01,373 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:14:01,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:14:01,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 20:14:01,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:01,470 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 [2021-07-13 20:14:01,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:01,479 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,479 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:37 [2021-07-13 20:14:01,512 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 [2021-07-13 20:14:01,513 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,515 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 [2021-07-13 20:14:01,516 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,541 INFO L628 ElimStorePlain]: treesize reduction 30, result has 61.0 percent of original size [2021-07-13 20:14:01,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 20:14:01,542 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:87, output treesize:47 [2021-07-13 20:14:01,661 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 [2021-07-13 20:14:01,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,666 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 [2021-07-13 20:14:01,672 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,679 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 [2021-07-13 20:14:01,680 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,683 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 [2021-07-13 20:14:01,685 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,785 INFO L628 ElimStorePlain]: treesize reduction 40, result has 81.6 percent of original size [2021-07-13 20:14:01,790 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 [2021-07-13 20:14:01,792 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,794 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 20 treesize of output 12 [2021-07-13 20:14:01,795 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,811 INFO L628 ElimStorePlain]: treesize reduction 142, result has 3.4 percent of original size [2021-07-13 20:14:01,812 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-13 20:14:01,812 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-13 20:14:01,812 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:14:01,812 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:273, output treesize:5 [2021-07-13 20:14:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:01,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180046943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:01,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:01,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-13 20:14:01,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961503869] [2021-07-13 20:14:01,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 20:14:01,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:01,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 20:14:01,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-13 20:14:01,823 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) [2021-07-13 20:14:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:01,909 INFO L93 Difference]: Finished difference Result 693 states and 2174 transitions. [2021-07-13 20:14:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 20:14:01,910 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 [2021-07-13 20:14:01,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:01,913 INFO L225 Difference]: With dead ends: 693 [2021-07-13 20:14:01,913 INFO L226 Difference]: Without dead ends: 604 [2021-07-13 20:14:01,913 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 187.2ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-13 20:14:01,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2021-07-13 20:14:01,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 431. [2021-07-13 20:14:01,925 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) [2021-07-13 20:14:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 1337 transitions. [2021-07-13 20:14:01,927 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 1337 transitions. Word has length 26 [2021-07-13 20:14:01,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:01,927 INFO L482 AbstractCegarLoop]: Abstraction has 431 states and 1337 transitions. [2021-07-13 20:14:01,927 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) [2021-07-13 20:14:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1337 transitions. [2021-07-13 20:14:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 20:14:01,928 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:01,928 INFO L508 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] [2021-07-13 20:14:02,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:02,141 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:02,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:02,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1494058166, now seen corresponding path program 5 times [2021-07-13 20:14:02,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:02,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802180307] [2021-07-13 20:14:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:14:02,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:02,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802180307] [2021-07-13 20:14:02,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802180307] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:02,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212117435] [2021-07-13 20:14:02,167 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 [2021-07-13 20:14:02,214 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-13 20:14:02,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:14:02,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 20:14:02,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:14:02,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212117435] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:02,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:02,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-13 20:14:02,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366383812] [2021-07-13 20:14:02,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 20:14:02,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:02,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 20:14:02,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-13 20:14:02,267 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) [2021-07-13 20:14:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:02,335 INFO L93 Difference]: Finished difference Result 1077 states and 3313 transitions. [2021-07-13 20:14:02,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 20:14:02,336 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 [2021-07-13 20:14:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:02,341 INFO L225 Difference]: With dead ends: 1077 [2021-07-13 20:14:02,341 INFO L226 Difference]: Without dead ends: 1071 [2021-07-13 20:14:02,342 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 22.9ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-07-13 20:14:02,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2021-07-13 20:14:02,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 723. [2021-07-13 20:14:02,358 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) [2021-07-13 20:14:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 2383 transitions. [2021-07-13 20:14:02,361 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 2383 transitions. Word has length 28 [2021-07-13 20:14:02,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:02,361 INFO L482 AbstractCegarLoop]: Abstraction has 723 states and 2383 transitions. [2021-07-13 20:14:02,361 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) [2021-07-13 20:14:02,361 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 2383 transitions. [2021-07-13 20:14:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-13 20:14:02,364 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:02,364 INFO L508 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] [2021-07-13 20:14:02,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:02,577 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:02,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:02,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1505385586, now seen corresponding path program 6 times [2021-07-13 20:14:02,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:02,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041587422] [2021-07-13 20:14:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:14:02,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:02,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041587422] [2021-07-13 20:14:02,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041587422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:02,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396835538] [2021-07-13 20:14:02,598 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 [2021-07-13 20:14:02,626 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-13 20:14:02,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:14:02,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 20:14:02,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:02,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396835538] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:02,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:02,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-07-13 20:14:02,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054067725] [2021-07-13 20:14:02,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 20:14:02,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:02,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 20:14:02,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-13 20:14:02,677 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) [2021-07-13 20:14:03,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:03,108 INFO L93 Difference]: Finished difference Result 3105 states and 9211 transitions. [2021-07-13 20:14:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 20:14:03,108 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 [2021-07-13 20:14:03,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:03,119 INFO L225 Difference]: With dead ends: 3105 [2021-07-13 20:14:03,119 INFO L226 Difference]: Without dead ends: 2785 [2021-07-13 20:14:03,120 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 226.5ms TimeCoverageRelationStatistics Valid=384, Invalid=1098, Unknown=0, NotChecked=0, Total=1482 [2021-07-13 20:14:03,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-07-13 20:14:03,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 704. [2021-07-13 20:14:03,189 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) [2021-07-13 20:14:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 2345 transitions. [2021-07-13 20:14:03,192 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 2345 transitions. Word has length 28 [2021-07-13 20:14:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:03,192 INFO L482 AbstractCegarLoop]: Abstraction has 704 states and 2345 transitions. [2021-07-13 20:14:03,192 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) [2021-07-13 20:14:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2345 transitions. [2021-07-13 20:14:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-07-13 20:14:03,193 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:03,193 INFO L508 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] [2021-07-13 20:14:03,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:03,394 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:03,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:03,394 INFO L82 PathProgramCache]: Analyzing trace with hash 370873412, now seen corresponding path program 7 times [2021-07-13 20:14:03,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:03,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81957310] [2021-07-13 20:14:03,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:14:03,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:03,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81957310] [2021-07-13 20:14:03,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81957310] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:03,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118754972] [2021-07-13 20:14:03,422 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 [2021-07-13 20:14:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:03,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 20:14:03,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:14:03,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118754972] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:03,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:03,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-13 20:14:03,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591648660] [2021-07-13 20:14:03,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 20:14:03,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:03,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 20:14:03,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-13 20:14:03,504 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) [2021-07-13 20:14:03,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:03,781 INFO L93 Difference]: Finished difference Result 4417 states and 14303 transitions. [2021-07-13 20:14:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 20:14:03,782 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 [2021-07-13 20:14:03,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:03,799 INFO L225 Difference]: With dead ends: 4417 [2021-07-13 20:14:03,799 INFO L226 Difference]: Without dead ends: 3838 [2021-07-13 20:14:03,800 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 114.3ms TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2021-07-13 20:14:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-07-13 20:14:03,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2381. [2021-07-13 20:14:03,859 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) [2021-07-13 20:14:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 8509 transitions. [2021-07-13 20:14:03,866 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 8509 transitions. Word has length 29 [2021-07-13 20:14:03,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:03,866 INFO L482 AbstractCegarLoop]: Abstraction has 2381 states and 8509 transitions. [2021-07-13 20:14:03,867 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) [2021-07-13 20:14:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 8509 transitions. [2021-07-13 20:14:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-07-13 20:14:03,871 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:03,872 INFO L508 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] [2021-07-13 20:14:04,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:04,085 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:04,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:04,085 INFO L82 PathProgramCache]: Analyzing trace with hash 483537884, now seen corresponding path program 8 times [2021-07-13 20:14:04,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:04,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732937677] [2021-07-13 20:14:04,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:04,116 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:04,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732937677] [2021-07-13 20:14:04,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732937677] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:04,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716139351] [2021-07-13 20:14:04,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:04,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:14:04,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:14:04,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 20:14:04,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:04,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716139351] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:04,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:04,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-07-13 20:14:04,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542381673] [2021-07-13 20:14:04,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 20:14:04,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:04,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 20:14:04,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-13 20:14:04,210 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) [2021-07-13 20:14:04,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:04,430 INFO L93 Difference]: Finished difference Result 2863 states and 9841 transitions. [2021-07-13 20:14:04,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-13 20:14:04,430 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 [2021-07-13 20:14:04,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:04,455 INFO L225 Difference]: With dead ends: 2863 [2021-07-13 20:14:04,455 INFO L226 Difference]: Without dead ends: 2835 [2021-07-13 20:14:04,456 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 118.3ms TimeCoverageRelationStatistics Valid=188, Invalid=462, Unknown=0, NotChecked=0, Total=650 [2021-07-13 20:14:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2021-07-13 20:14:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2343. [2021-07-13 20:14:04,502 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) [2021-07-13 20:14:04,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 8357 transitions. [2021-07-13 20:14:04,509 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 8357 transitions. Word has length 29 [2021-07-13 20:14:04,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:04,509 INFO L482 AbstractCegarLoop]: Abstraction has 2343 states and 8357 transitions. [2021-07-13 20:14:04,509 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) [2021-07-13 20:14:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 8357 transitions. [2021-07-13 20:14:04,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-07-13 20:14:04,514 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:04,514 INFO L508 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] [2021-07-13 20:14:04,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:04,729 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:04,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:04,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1924163208, now seen corresponding path program 9 times [2021-07-13 20:14:04,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:04,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54870107] [2021-07-13 20:14:04,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:14:04,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:04,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54870107] [2021-07-13 20:14:04,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54870107] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:04,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693519947] [2021-07-13 20:14:04,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:04,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-13 20:14:04,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:14:04,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 20:14:04,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 20:14:04,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693519947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:04,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:04,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-07-13 20:14:04,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791652884] [2021-07-13 20:14:04,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 20:14:04,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:04,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 20:14:04,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-13 20:14:04,840 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) [2021-07-13 20:14:05,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:05,298 INFO L93 Difference]: Finished difference Result 5750 states and 19687 transitions. [2021-07-13 20:14:05,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 20:14:05,298 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 [2021-07-13 20:14:05,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:05,314 INFO L225 Difference]: With dead ends: 5750 [2021-07-13 20:14:05,314 INFO L226 Difference]: Without dead ends: 5702 [2021-07-13 20:14:05,314 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 195.9ms TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2021-07-13 20:14:05,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5702 states. [2021-07-13 20:14:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5702 to 4398. [2021-07-13 20:14:05,422 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) [2021-07-13 20:14:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 15943 transitions. [2021-07-13 20:14:05,436 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 15943 transitions. Word has length 31 [2021-07-13 20:14:05,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:05,436 INFO L482 AbstractCegarLoop]: Abstraction has 4398 states and 15943 transitions. [2021-07-13 20:14:05,436 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) [2021-07-13 20:14:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 15943 transitions. [2021-07-13 20:14:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:14:05,445 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:05,445 INFO L508 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] [2021-07-13 20:14:05,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-07-13 20:14:05,662 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:05,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:05,662 INFO L82 PathProgramCache]: Analyzing trace with hash -62749624, now seen corresponding path program 10 times [2021-07-13 20:14:05,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:05,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600004716] [2021-07-13 20:14:05,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:06,082 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2021-07-13 20:14:06,269 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 60 [2021-07-13 20:14:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:06,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:06,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600004716] [2021-07-13 20:14:06,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600004716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:06,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002231443] [2021-07-13 20:14:06,430 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) [2021-07-13 20:14:06,484 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:14:06,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:06,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-13 20:14:06,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:07,266 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-13 20:14:07,357 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 [2021-07-13 20:14:07,358 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,372 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 [2021-07-13 20:14:07,373 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,378 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 [2021-07-13 20:14:07,379 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,384 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 [2021-07-13 20:14:07,385 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,413 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 [2021-07-13 20:14:07,428 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,467 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 [2021-07-13 20:14:07,500 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,537 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 [2021-07-13 20:14:07,552 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,597 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 18 treesize of output 17 [2021-07-13 20:14:07,612 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,653 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 [2021-07-13 20:14:07,668 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,757 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 [2021-07-13 20:14:07,772 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,813 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 [2021-07-13 20:14:07,832 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,877 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 [2021-07-13 20:14:07,892 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:07,933 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 [2021-07-13 20:14:07,952 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:08,037 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 [2021-07-13 20:14:08,052 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:08,093 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 [2021-07-13 20:14:08,129 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:08,135 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 [2021-07-13 20:14:08,135 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:08,647 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-13 20:14:08,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:08,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-07-13 20:14:08,657 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1105, output treesize:1089 [2021-07-13 20:14:09,027 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-13 20:14:09,356 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 [2021-07-13 20:14:09,358 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:09,932 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-07-13 20:14:09,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:09,950 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 48 treesize of output 36 [2021-07-13 20:14:09,961 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:10,360 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2021-07-13 20:14:10,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:10,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:10,383 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:10,781 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-07-13 20:14:10,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:10,808 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 [2021-07-13 20:14:10,810 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:11,217 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-07-13 20:14:11,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:11,250 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 [2021-07-13 20:14:11,263 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:11,642 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-07-13 20:14:11,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:11,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:11,664 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:12,048 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2021-07-13 20:14:12,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:12,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:12,069 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:12,444 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-07-13 20:14:12,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:12,465 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 [2021-07-13 20:14:12,467 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:12,867 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-07-13 20:14:12,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:12,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:12,891 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:13,249 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-07-13 20:14:13,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:13,270 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 [2021-07-13 20:14:13,273 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:13,673 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-07-13 20:14:13,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:13,689 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 52 treesize of output 36 [2021-07-13 20:14:13,692 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:14,044 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2021-07-13 20:14:14,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:14,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:14,061 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:14,400 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-07-13 20:14:14,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:14,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:14,420 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:14,759 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-07-13 20:14:14,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:14,780 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 57 treesize of output 37 [2021-07-13 20:14:14,782 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:15,181 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2021-07-13 20:14:15,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:15,200 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 17 treesize of output 19 [2021-07-13 20:14:15,210 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:15,530 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-13 20:14:15,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:15,587 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 52 treesize of output 36 [2021-07-13 20:14:15,590 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:15,898 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2021-07-13 20:14:15,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:15,914 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 52 treesize of output 36 [2021-07-13 20:14:15,920 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:16,229 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2021-07-13 20:14:16,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:16,249 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 [2021-07-13 20:14:16,250 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:16,557 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-07-13 20:14:16,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:16,627 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 49 treesize of output 35 [2021-07-13 20:14:16,630 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:16,927 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2021-07-13 20:14:16,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:16,944 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 [2021-07-13 20:14:16,946 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:17,241 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2021-07-13 20:14:17,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:17,257 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 51 treesize of output 33 [2021-07-13 20:14:17,259 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:17,493 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 126 [2021-07-13 20:14:17,495 INFO L628 ElimStorePlain]: treesize reduction 478, result has 44.5 percent of original size [2021-07-13 20:14:17,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:17,517 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:17,618 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-07-13 20:14:17,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:17,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:17,626 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:17,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:17,718 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-07-13 20:14:17,718 INFO L518 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2021-07-13 20:14:17,718 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-07-13 20:14:17,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:17,735 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:17,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:17,838 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 51 treesize of output 33 [2021-07-13 20:14:17,840 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:17,946 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-07-13 20:14:17,947 INFO L628 ElimStorePlain]: treesize reduction 81, result has 71.2 percent of original size [2021-07-13 20:14:17,947 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-07-13 20:14:17,947 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-07-13 20:14:17,947 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-13 20:14:17,947 INFO L518 ElimStorePlain]: Eliminatee v_prenex_42 vanished before elimination [2021-07-13 20:14:17,947 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-07-13 20:14:17,947 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-07-13 20:14:17,947 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-07-13 20:14:17,947 INFO L518 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2021-07-13 20:14:17,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:17,955 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:18,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:18,003 INFO L518 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2021-07-13 20:14:18,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:18,010 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:18,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:18,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_23 vanished before elimination [2021-07-13 20:14:18,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2021-07-13 20:14:18,059 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 [2021-07-13 20:14:18,061 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:18,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:18,103 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-07-13 20:14:18,103 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-07-13 20:14:18,103 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-07-13 20:14:18,103 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-07-13 20:14:18,103 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-07-13 20:14:18,103 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-07-13 20:14:18,105 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-13 20:14:18,106 INFO L247 ElimStorePlain]: Needed 29 recursive calls to eliminate 48 variables, input treesize:1137, output treesize:118 [2021-07-13 20:14:18,360 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 [2021-07-13 20:14:18,361 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:18,366 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 [2021-07-13 20:14:18,367 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:18,379 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-07-13 20:14:18,379 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-13 20:14:18,379 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-13 20:14:18,379 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-13 20:14:18,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:14:18,379 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-13 20:14:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:18,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002231443] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:18,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:18,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-13 20:14:18,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639517184] [2021-07-13 20:14:18,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:14:18,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:18,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:14:18,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:14:18,387 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) [2021-07-13 20:14:18,618 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-07-13 20:14:18,784 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-07-13 20:14:18,992 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2021-07-13 20:14:19,732 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-07-13 20:14:20,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:14:20,206 INFO L93 Difference]: Finished difference Result 5785 states and 20387 transitions. [2021-07-13 20:14:20,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 20:14:20,206 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 [2021-07-13 20:14:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:14:20,244 INFO L225 Difference]: With dead ends: 5785 [2021-07-13 20:14:20,245 INFO L226 Difference]: Without dead ends: 5742 [2021-07-13 20:14:20,248 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2845.1ms TimeCoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2021-07-13 20:14:20,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2021-07-13 20:14:20,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 4565. [2021-07-13 20:14:20,346 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) [2021-07-13 20:14:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 16486 transitions. [2021-07-13 20:14:20,360 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 16486 transitions. Word has length 33 [2021-07-13 20:14:20,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:14:20,360 INFO L482 AbstractCegarLoop]: Abstraction has 4565 states and 16486 transitions. [2021-07-13 20:14:20,361 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) [2021-07-13 20:14:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 16486 transitions. [2021-07-13 20:14:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:14:20,370 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:14:20,370 INFO L508 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] [2021-07-13 20:14:20,586 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:20,587 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:14:20,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:14:20,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1133562818, now seen corresponding path program 11 times [2021-07-13 20:14:20,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:14:20,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967761138] [2021-07-13 20:14:20,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:14:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:14:21,128 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2021-07-13 20:14:21,460 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2021-07-13 20:14:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:21,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:14:21,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967761138] [2021-07-13 20:14:21,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967761138] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:21,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092444230] [2021-07-13 20:14:21,698 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:14:21,731 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-13 20:14:21,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:14:21,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-13 20:14:21,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:14:21,974 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 [2021-07-13 20:14:21,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:21,980 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 [2021-07-13 20:14:21,981 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:21,986 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 [2021-07-13 20:14:21,986 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:21,991 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 [2021-07-13 20:14:21,992 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:21,997 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 [2021-07-13 20:14:21,997 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,002 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 [2021-07-13 20:14:22,003 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,008 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 [2021-07-13 20:14:22,009 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,015 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 [2021-07-13 20:14:22,015 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,021 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 [2021-07-13 20:14:22,021 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,027 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 [2021-07-13 20:14:22,028 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,033 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 [2021-07-13 20:14:22,034 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,039 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 [2021-07-13 20:14:22,040 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,046 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 [2021-07-13 20:14:22,047 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,052 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 [2021-07-13 20:14:22,053 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,058 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 [2021-07-13 20:14:22,059 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,063 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 [2021-07-13 20:14:22,064 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:22,340 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-13 20:14:22,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:22,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-07-13 20:14:22,347 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1073, output treesize:1057 [2021-07-13 20:14:22,672 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-13 20:14:23,052 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-07-13 20:14:23,764 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-07-13 20:14:24,325 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]} [2021-07-13 20:14:24,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:24,366 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:24,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:24,392 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:26,641 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 449 DAG size of output: 425 [2021-07-13 20:14:26,643 INFO L628 ElimStorePlain]: treesize reduction 592, result has 74.6 percent of original size [2021-07-13 20:14:26,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:26,673 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:27,573 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2021-07-13 20:14:27,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:27,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:27,602 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:27,626 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 52 treesize of output 36 [2021-07-13 20:14:27,642 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:28,589 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2021-07-13 20:14:28,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:28,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:28,621 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:28,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:28,641 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:29,512 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2021-07-13 20:14:29,513 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:29,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:29,539 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:30,393 WARN L205 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2021-07-13 20:14:30,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:30,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:30,420 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:30,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:30,444 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:31,265 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2021-07-13 20:14:31,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:31,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:31,285 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:32,058 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2021-07-13 20:14:32,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:32,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:32,080 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:32,860 WARN L205 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2021-07-13 20:14:32,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:32,891 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 50 treesize of output 36 [2021-07-13 20:14:32,894 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:33,684 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-07-13 20:14:33,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:33,702 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 39 treesize of output 25 [2021-07-13 20:14:33,709 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:34,463 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2021-07-13 20:14:34,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:34,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:34,486 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:35,252 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-07-13 20:14:35,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:35,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:35,272 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:36,015 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2021-07-13 20:14:36,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:36,037 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 46 treesize of output 30 [2021-07-13 20:14:36,041 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:36,766 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2021-07-13 20:14:36,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:36,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:36,791 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:37,542 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2021-07-13 20:14:37,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:37,568 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 43 treesize of output 29 [2021-07-13 20:14:37,578 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:38,519 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-07-13 20:14:38,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:38,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:38,561 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:39,318 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-07-13 20:14:39,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:39,336 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 39 treesize of output 25 [2021-07-13 20:14:39,338 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:40,076 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-07-13 20:14:40,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:40,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:40,101 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:40,120 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 52 treesize of output 36 [2021-07-13 20:14:40,122 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:40,899 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2021-07-13 20:14:40,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:40,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:40,927 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:40,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:40,947 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:41,768 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2021-07-13 20:14:41,768 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:41,796 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 43 treesize of output 29 [2021-07-13 20:14:41,808 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:42,568 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2021-07-13 20:14:42,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:42,594 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 37 treesize of output 25 [2021-07-13 20:14:42,627 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:42,646 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 50 treesize of output 34 [2021-07-13 20:14:42,653 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:43,331 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2021-07-13 20:14:43,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:43,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:43,359 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:43,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:43,380 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:44,090 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-07-13 20:14:44,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:44,107 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 37 treesize of output 25 [2021-07-13 20:14:44,109 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:44,754 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2021-07-13 20:14:44,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:44,778 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 52 treesize of output 36 [2021-07-13 20:14:44,782 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:44,801 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 43 treesize of output 29 [2021-07-13 20:14:44,804 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:45,466 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-07-13 20:14:45,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:45,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:45,493 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:45,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:45,531 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:46,182 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-07-13 20:14:46,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:46,207 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 52 treesize of output 36 [2021-07-13 20:14:46,215 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:46,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:46,285 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:46,942 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2021-07-13 20:14:46,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:46,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:46,971 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:46,991 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 46 treesize of output 30 [2021-07-13 20:14:46,994 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:47,565 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2021-07-13 20:14:47,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:47,587 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 52 treesize of output 34 [2021-07-13 20:14:47,590 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:47,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:47,607 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:48,150 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-07-13 20:14:48,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:48,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:14:48,170 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:48,753 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-07-13 20:14:48,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:48,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:48,789 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:48,809 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 41 treesize of output 29 [2021-07-13 20:14:48,812 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:49,345 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-07-13 20:14:49,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:49,382 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 37 treesize of output 25 [2021-07-13 20:14:49,393 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:49,413 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 50 treesize of output 34 [2021-07-13 20:14:49,415 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:49,922 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-07-13 20:14:49,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:49,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:49,950 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:49,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:14:49,970 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:14:50,455 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-13 20:14:50,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:50,480 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 [2021-07-13 20:14:50,481 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:50,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:50,505 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 [2021-07-13 20:14:50,506 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:50,999 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2021-07-13 20:14:51,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:51,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:51,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:51,024 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 [2021-07-13 20:14:51,026 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:51,047 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 [2021-07-13 20:14:51,048 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:51,530 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-07-13 20:14:51,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:51,551 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 [2021-07-13 20:14:51,553 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:52,012 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-07-13 20:14:52,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:52,036 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 16 treesize of output 18 [2021-07-13 20:14:52,037 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:52,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:52,059 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 [2021-07-13 20:14:52,060 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:52,511 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2021-07-13 20:14:52,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:52,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:52,530 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 [2021-07-13 20:14:52,531 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:52,956 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-13 20:14:52,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:52,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:52,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:52,976 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 [2021-07-13 20:14:52,978 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:52,996 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 [2021-07-13 20:14:52,997 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:53,423 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-13 20:14:53,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:53,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:53,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:53,444 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 [2021-07-13 20:14:53,445 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:53,465 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 [2021-07-13 20:14:53,466 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:53,900 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2021-07-13 20:14:53,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:53,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:53,922 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 [2021-07-13 20:14:53,923 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:54,350 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-13 20:14:54,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:54,368 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 [2021-07-13 20:14:54,373 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:54,774 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-07-13 20:14:54,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:54,823 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 [2021-07-13 20:14:54,824 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:54,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:54,845 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 [2021-07-13 20:14:54,846 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:55,240 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-07-13 20:14:55,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:55,259 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 17 treesize of output 19 [2021-07-13 20:14:55,260 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:55,660 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-07-13 20:14:55,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:55,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:55,679 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 [2021-07-13 20:14:55,680 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:56,063 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-07-13 20:14:56,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:56,082 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 [2021-07-13 20:14:56,083 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:56,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:56,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-13 20:14:56,104 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:56,500 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-07-13 20:14:56,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:56,526 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 17 treesize of output 19 [2021-07-13 20:14:56,527 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:56,899 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-07-13 20:14:56,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:56,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:56,918 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 [2021-07-13 20:14:56,919 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:57,281 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-07-13 20:14:57,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:57,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:57,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:57,304 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 [2021-07-13 20:14:57,305 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:57,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-13 20:14:57,322 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:57,664 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-07-13 20:14:57,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:57,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-07-13 20:14:57,697 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 48 variables, input treesize:2369, output treesize:345 [2021-07-13 20:14:58,113 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_100, v_prenex_102], 3=[C, v_prenex_98]} [2021-07-13 20:14:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:14:58,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:58,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:58,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:14:58,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:14:58,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:58,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:14:58,143 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:58,309 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-07-13 20:14:58,309 INFO L628 ElimStorePlain]: treesize reduction 81, result has 60.7 percent of original size [2021-07-13 20:14:58,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:14:58,314 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 [2021-07-13 20:14:58,315 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:58,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:58,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:14:58,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:14:58,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:58,412 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 [2021-07-13 20:14:58,413 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:58,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:14:58,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:14:58,447 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 [2021-07-13 20:14:58,451 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:58,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:14:58,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:14:58,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:14:58,455 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 [2021-07-13 20:14:58,456 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:14:58,490 INFO L628 ElimStorePlain]: treesize reduction 12, result has 80.3 percent of original size [2021-07-13 20:14:58,514 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:14:58,514 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:253, output treesize:5 [2021-07-13 20:14:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:14:58,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092444230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:14:58,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:14:58,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-07-13 20:14:58,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515466599] [2021-07-13 20:14:58,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:14:58,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:14:58,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:14:58,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:14:58,520 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) [2021-07-13 20:14:58,769 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-07-13 20:14:59,151 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-07-13 20:14:59,408 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-07-13 20:15:00,229 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2021-07-13 20:15:00,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:15:00,730 INFO L93 Difference]: Finished difference Result 6000 states and 21119 transitions. [2021-07-13 20:15:00,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 20:15:00,730 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 [2021-07-13 20:15:00,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:15:00,759 INFO L225 Difference]: With dead ends: 6000 [2021-07-13 20:15:00,759 INFO L226 Difference]: Without dead ends: 5891 [2021-07-13 20:15:00,760 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 3796.2ms TimeCoverageRelationStatistics Valid=192, Invalid=998, Unknown=0, NotChecked=0, Total=1190 [2021-07-13 20:15:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-07-13 20:15:00,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 4605. [2021-07-13 20:15:00,851 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) [2021-07-13 20:15:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 16611 transitions. [2021-07-13 20:15:00,873 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 16611 transitions. Word has length 33 [2021-07-13 20:15:00,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:15:00,873 INFO L482 AbstractCegarLoop]: Abstraction has 4605 states and 16611 transitions. [2021-07-13 20:15:00,873 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) [2021-07-13 20:15:00,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 16611 transitions. [2021-07-13 20:15:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:15:00,905 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:15:00,905 INFO L508 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] [2021-07-13 20:15:01,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:15:01,105 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:15:01,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:15:01,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1389073446, now seen corresponding path program 12 times [2021-07-13 20:15:01,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:15:01,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362153679] [2021-07-13 20:15:01,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:15:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:15:01,697 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2021-07-13 20:15:01,905 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 55 [2021-07-13 20:15:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:15:02,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:15:02,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362153679] [2021-07-13 20:15:02,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362153679] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:15:02,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418951512] [2021-07-13 20:15:02,243 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:15:02,276 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-13 20:15:02,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:15:02,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-13 20:15:02,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:15:02,449 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 [2021-07-13 20:15:02,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:02,464 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 [2021-07-13 20:15:02,465 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:02,470 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 [2021-07-13 20:15:02,470 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:02,474 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 [2021-07-13 20:15:02,475 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:02,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:02,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:15:02,574 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-07-13 20:15:02,921 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-07-13 20:15:03,330 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]} [2021-07-13 20:15:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:03,349 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 [2021-07-13 20:15:03,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:03,377 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 [2021-07-13 20:15:03,378 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:04,013 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-07-13 20:15:04,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:04,031 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 [2021-07-13 20:15:04,032 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:04,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:04,049 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 30 treesize of output 32 [2021-07-13 20:15:04,054 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:04,683 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-07-13 20:15:04,683 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:04,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:04,707 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 [2021-07-13 20:15:04,709 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:04,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:04,723 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 [2021-07-13 20:15:04,724 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:05,275 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-07-13 20:15:05,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:05,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:05,292 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 [2021-07-13 20:15:05,293 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:05,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:05,307 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 [2021-07-13 20:15:05,308 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:05,986 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-07-13 20:15:05,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:05,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:06,003 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 [2021-07-13 20:15:06,004 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:06,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:06,020 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 [2021-07-13 20:15:06,021 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:06,683 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-07-13 20:15:06,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:06,699 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 [2021-07-13 20:15:06,700 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:06,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:06,714 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 [2021-07-13 20:15:06,715 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:07,296 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-07-13 20:15:07,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:07,313 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 [2021-07-13 20:15:07,314 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:07,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:07,331 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 [2021-07-13 20:15:07,333 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:07,890 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-07-13 20:15:07,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:07,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:07,906 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 [2021-07-13 20:15:07,908 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:07,923 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 [2021-07-13 20:15:07,924 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:08,438 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-07-13 20:15:08,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:08,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:08,456 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:08,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:08,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:08,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:08,471 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:08,969 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-07-13 20:15:08,969 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:08,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:08,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:08,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:08,986 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:08,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:08,997 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 53 treesize of output 31 [2021-07-13 20:15:08,998 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:09,370 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 69 [2021-07-13 20:15:09,370 INFO L628 ElimStorePlain]: treesize reduction 826, result has 31.9 percent of original size [2021-07-13 20:15:09,370 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-07-13 20:15:09,370 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-07-13 20:15:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:09,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:09,379 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 57 treesize of output 39 [2021-07-13 20:15:09,380 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:09,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:09,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:09,385 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 61 treesize of output 39 [2021-07-13 20:15:09,386 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:09,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:09,484 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 59 treesize of output 35 [2021-07-13 20:15:09,486 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:09,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:09,491 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:09,555 INFO L628 ElimStorePlain]: treesize reduction 169, result has 38.8 percent of original size [2021-07-13 20:15:09,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_114 vanished before elimination [2021-07-13 20:15:09,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-07-13 20:15:09,555 INFO L518 ElimStorePlain]: Eliminatee v_prenex_115 vanished before elimination [2021-07-13 20:15:09,556 INFO L518 ElimStorePlain]: Eliminatee v_prenex_105 vanished before elimination [2021-07-13 20:15:09,556 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-07-13 20:15:09,556 INFO L518 ElimStorePlain]: Eliminatee v_prenex_107 vanished before elimination [2021-07-13 20:15:09,556 INFO L518 ElimStorePlain]: Eliminatee v_prenex_118 vanished before elimination [2021-07-13 20:15:09,556 INFO L518 ElimStorePlain]: Eliminatee v_prenex_108 vanished before elimination [2021-07-13 20:15:09,556 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:15:09,556 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:15:09,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:15:09,557 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 24 variables, input treesize:1345, output treesize:107 [2021-07-13 20:15:09,804 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 [2021-07-13 20:15:09,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:09,808 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 [2021-07-13 20:15:09,809 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:09,818 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-07-13 20:15:09,818 INFO L518 ElimStorePlain]: Eliminatee v_prenex_125 vanished before elimination [2021-07-13 20:15:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_126 vanished before elimination [2021-07-13 20:15:09,819 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-07-13 20:15:09,819 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:15:09,819 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-13 20:15:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:15:09,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418951512] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:15:09,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:15:09,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-13 20:15:09,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21218468] [2021-07-13 20:15:09,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:15:09,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:15:09,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:15:09,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:15:09,824 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) [2021-07-13 20:15:10,367 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2021-07-13 20:15:10,913 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2021-07-13 20:15:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:15:11,438 INFO L93 Difference]: Finished difference Result 6946 states and 24274 transitions. [2021-07-13 20:15:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 20:15:11,438 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 [2021-07-13 20:15:11,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:15:11,457 INFO L225 Difference]: With dead ends: 6946 [2021-07-13 20:15:11,457 INFO L226 Difference]: Without dead ends: 6863 [2021-07-13 20:15:11,457 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2231.6ms TimeCoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 20:15:11,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6863 states. [2021-07-13 20:15:11,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6863 to 4778. [2021-07-13 20:15:11,550 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) [2021-07-13 20:15:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 17219 transitions. [2021-07-13 20:15:11,564 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 17219 transitions. Word has length 33 [2021-07-13 20:15:11,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:15:11,564 INFO L482 AbstractCegarLoop]: Abstraction has 4778 states and 17219 transitions. [2021-07-13 20:15:11,564 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) [2021-07-13 20:15:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 17219 transitions. [2021-07-13 20:15:11,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:15:11,574 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:15:11,574 INFO L508 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] [2021-07-13 20:15:11,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-07-13 20:15:11,790 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:15:11,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:15:11,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1709581408, now seen corresponding path program 13 times [2021-07-13 20:15:11,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:15:11,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433355815] [2021-07-13 20:15:11,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:15:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:15:12,144 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2021-07-13 20:15:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:15:12,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:15:12,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433355815] [2021-07-13 20:15:12,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433355815] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:15:12,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649048386] [2021-07-13 20:15:12,567 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:15:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:15:12,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:15:12,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:15:12,741 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 [2021-07-13 20:15:12,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:12,745 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 [2021-07-13 20:15:12,745 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:12,756 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 [2021-07-13 20:15:12,761 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:12,764 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 [2021-07-13 20:15:12,765 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:12,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:12,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:15:12,854 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:221, output treesize:217 [2021-07-13 20:15:13,164 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-13 20:15:13,690 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-07-13 20:15:14,380 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]} [2021-07-13 20:15:14,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:15:14,400 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:14,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:14,422 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:14,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:14,442 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:14,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:14,458 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:16,094 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2021-07-13 20:15:16,095 INFO L628 ElimStorePlain]: treesize reduction 422, result has 80.9 percent of original size [2021-07-13 20:15:16,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:16,113 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:16,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:16,128 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:16,912 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-07-13 20:15:16,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:16,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:16,932 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:16,950 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 52 treesize of output 34 [2021-07-13 20:15:16,953 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:16,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:16,970 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:16,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:16,983 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:18,469 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2021-07-13 20:15:18,470 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-07-13 20:15:18,486 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 30 [2021-07-13 20:15:18,488 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:18,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:18,507 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:19,288 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-13 20:15:19,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:19,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:19,308 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:19,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:19,332 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:19,349 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 43 treesize of output 29 [2021-07-13 20:15:19,351 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:19,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:19,369 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:20,194 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-13 20:15:20,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:20,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:20,221 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:20,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:20,249 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:20,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:20,276 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:20,292 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 39 treesize of output 25 [2021-07-13 20:15:20,302 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:20,989 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-13 20:15:20,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:21,015 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 50 treesize of output 36 [2021-07-13 20:15:21,017 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:21,040 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 52 treesize of output 36 [2021-07-13 20:15:21,042 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:21,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:21,068 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:21,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:21,100 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:21,858 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-07-13 20:15:21,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:21,879 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 43 treesize of output 29 [2021-07-13 20:15:21,882 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:21,904 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 [2021-07-13 20:15:21,906 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:21,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:15:21,929 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:21,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:21,947 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:22,667 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2021-07-13 20:15:22,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:22,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:22,696 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:22,719 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 39 treesize of output 25 [2021-07-13 20:15:22,721 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:22,743 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 46 treesize of output 30 [2021-07-13 20:15:22,746 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:22,763 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 46 treesize of output 30 [2021-07-13 20:15:22,766 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:23,447 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-07-13 20:15:23,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:23,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:23,468 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:23,487 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 44 treesize of output 30 [2021-07-13 20:15:23,489 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:23,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:23,509 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:23,522 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 37 treesize of output 25 [2021-07-13 20:15:23,524 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:24,107 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-07-13 20:15:24,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:24,127 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 41 treesize of output 29 [2021-07-13 20:15:24,129 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:24,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:24,146 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:24,728 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-07-13 20:15:24,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:24,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:24,756 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:24,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:24,777 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:25,372 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2021-07-13 20:15:25,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:25,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:25,394 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:25,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:25,412 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:25,950 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-13 20:15:25,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:25,972 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 30 [2021-07-13 20:15:25,975 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:25,992 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 44 treesize of output 30 [2021-07-13 20:15:25,994 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:26,516 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-07-13 20:15:26,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:26,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:26,535 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:26,556 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 50 treesize of output 36 [2021-07-13 20:15:26,559 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:26,578 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 52 treesize of output 36 [2021-07-13 20:15:26,580 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:26,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:26,603 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:27,173 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2021-07-13 20:15:27,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:27,192 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 37 treesize of output 25 [2021-07-13 20:15:27,194 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:27,222 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 50 treesize of output 34 [2021-07-13 20:15:27,225 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:27,244 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 37 treesize of output 25 [2021-07-13 20:15:27,249 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:27,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:27,266 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:15:27,806 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-07-13 20:15:27,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:27,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:27,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:27,826 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 [2021-07-13 20:15:27,827 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:27,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:27,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:27,846 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 [2021-07-13 20:15:27,847 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:27,865 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 [2021-07-13 20:15:27,873 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:27,891 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 [2021-07-13 20:15:27,892 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:28,359 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-07-13 20:15:28,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:28,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:28,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:28,381 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 [2021-07-13 20:15:28,382 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:28,404 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 [2021-07-13 20:15:28,405 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:28,432 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 [2021-07-13 20:15:28,433 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:28,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:28,453 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 [2021-07-13 20:15:28,456 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:28,903 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-13 20:15:28,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:28,922 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 [2021-07-13 20:15:28,923 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:28,940 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 [2021-07-13 20:15:28,941 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:29,351 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-07-13 20:15:29,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:29,370 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 16 treesize of output 18 [2021-07-13 20:15:29,370 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:29,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:29,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:29,389 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 [2021-07-13 20:15:29,390 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:29,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:29,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:29,414 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 [2021-07-13 20:15:29,415 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:29,432 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 [2021-07-13 20:15:29,433 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:29,831 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-07-13 20:15:29,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:29,850 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 17 treesize of output 19 [2021-07-13 20:15:29,851 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:29,874 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 [2021-07-13 20:15:29,875 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:30,318 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2021-07-13 20:15:30,319 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:30,340 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 [2021-07-13 20:15:30,341 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:30,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:30,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:30,362 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 [2021-07-13 20:15:30,363 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:30,384 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 [2021-07-13 20:15:30,385 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:30,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:30,404 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 [2021-07-13 20:15:30,405 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:30,832 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-13 20:15:30,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:30,850 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 16 treesize of output 18 [2021-07-13 20:15:30,851 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:30,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:30,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:30,869 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 [2021-07-13 20:15:30,870 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:30,902 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 [2021-07-13 20:15:30,903 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:30,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:30,936 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 [2021-07-13 20:15:30,937 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:31,315 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-07-13 20:15:31,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:31,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:31,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:31,338 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 [2021-07-13 20:15:31,339 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:31,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:15:31,355 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 [2021-07-13 20:15:31,356 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:31,783 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-13 20:15:31,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:31,796 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 15 xjuncts. [2021-07-13 20:15:31,796 INFO L247 ElimStorePlain]: Needed 79 recursive calls to eliminate 24 variables, input treesize:2273, output treesize:378 [2021-07-13 20:15:31,953 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 [2021-07-13 20:15:31,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:31,956 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 [2021-07-13 20:15:31,957 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:31,969 INFO L628 ElimStorePlain]: treesize reduction 86, result has 5.5 percent of original size [2021-07-13 20:15:31,969 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-07-13 20:15:31,969 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-07-13 20:15:31,969 INFO L518 ElimStorePlain]: Eliminatee v_prenex_149 vanished before elimination [2021-07-13 20:15:31,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:15:31,970 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-13 20:15:31,975 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:15:31,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649048386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:15:31,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:15:31,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-13 20:15:31,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422416533] [2021-07-13 20:15:31,975 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:15:31,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:15:31,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:15:31,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:15:31,976 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) [2021-07-13 20:15:32,435 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2021-07-13 20:15:32,882 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-07-13 20:15:33,263 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2021-07-13 20:15:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:15:33,694 INFO L93 Difference]: Finished difference Result 6706 states and 23504 transitions. [2021-07-13 20:15:33,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 20:15:33,694 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 [2021-07-13 20:15:33,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:15:33,710 INFO L225 Difference]: With dead ends: 6706 [2021-07-13 20:15:33,710 INFO L226 Difference]: Without dead ends: 6489 [2021-07-13 20:15:33,718 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2475.3ms TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2021-07-13 20:15:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6489 states. [2021-07-13 20:15:33,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 4829. [2021-07-13 20:15:33,897 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) [2021-07-13 20:15:33,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 17345 transitions. [2021-07-13 20:15:33,912 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 17345 transitions. Word has length 33 [2021-07-13 20:15:33,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:15:33,912 INFO L482 AbstractCegarLoop]: Abstraction has 4829 states and 17345 transitions. [2021-07-13 20:15:33,912 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) [2021-07-13 20:15:33,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 17345 transitions. [2021-07-13 20:15:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:15:33,930 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:15:33,930 INFO L508 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] [2021-07-13 20:15:34,131 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable257 [2021-07-13 20:15:34,131 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:15:34,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:15:34,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1839447846, now seen corresponding path program 14 times [2021-07-13 20:15:34,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:15:34,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487741150] [2021-07-13 20:15:34,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:15:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:15:34,578 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2021-07-13 20:15:34,718 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2021-07-13 20:15:34,842 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2021-07-13 20:15:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:15:34,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:15:34,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487741150] [2021-07-13 20:15:34,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487741150] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:15:34,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114085101] [2021-07-13 20:15:34,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:15:34,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:15:34,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:15:34,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:15:34,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:15:35,162 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 [2021-07-13 20:15:35,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:35,167 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 [2021-07-13 20:15:35,167 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:35,172 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 [2021-07-13 20:15:35,173 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:35,177 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 [2021-07-13 20:15:35,178 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:35,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:35,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:15:35,246 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-07-13 20:15:35,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:35,364 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 [2021-07-13 20:15:35,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:35,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:35,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:35,467 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 [2021-07-13 20:15:35,468 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:35,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:35,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:35,550 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 [2021-07-13 20:15:35,551 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:35,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:35,636 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 30 treesize of output 32 [2021-07-13 20:15:35,636 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:35,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:35,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:15:35,727 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-07-13 20:15:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:36,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:36,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:36,812 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-07-13 20:15:36,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:36,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:36,826 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 57 treesize of output 39 [2021-07-13 20:15:36,827 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:37,280 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-07-13 20:15:37,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:37,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:37,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:37,303 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:37,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:37,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:37,318 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 57 treesize of output 39 [2021-07-13 20:15:37,319 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:37,746 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-07-13 20:15:37,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:37,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:37,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:37,764 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 61 treesize of output 39 [2021-07-13 20:15:37,765 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:38,158 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-07-13 20:15:38,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:38,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,174 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 57 treesize of output 33 [2021-07-13 20:15:38,176 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:38,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,189 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 53 treesize of output 33 [2021-07-13 20:15:38,190 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:38,561 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 137 [2021-07-13 20:15:38,561 INFO L628 ElimStorePlain]: treesize reduction 592, result has 50.5 percent of original size [2021-07-13 20:15:38,561 INFO L518 ElimStorePlain]: Eliminatee v_prenex_173 vanished before elimination [2021-07-13 20:15:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:38,573 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:38,778 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2021-07-13 20:15:38,778 INFO L628 ElimStorePlain]: treesize reduction 166, result has 70.5 percent of original size [2021-07-13 20:15:38,778 INFO L518 ElimStorePlain]: Eliminatee v_prenex_174 vanished before elimination [2021-07-13 20:15:38,778 INFO L518 ElimStorePlain]: Eliminatee v_prenex_163 vanished before elimination [2021-07-13 20:15:38,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:38,785 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:38,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:38,865 INFO L518 ElimStorePlain]: Eliminatee v_prenex_164 vanished before elimination [2021-07-13 20:15:38,865 INFO L518 ElimStorePlain]: Eliminatee v_prenex_165 vanished before elimination [2021-07-13 20:15:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:38,872 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:38,960 INFO L628 ElimStorePlain]: treesize reduction 175, result has 50.0 percent of original size [2021-07-13 20:15:38,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:38,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:38,966 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:38,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:38,998 INFO L518 ElimStorePlain]: Eliminatee v_prenex_166 vanished before elimination [2021-07-13 20:15:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:39,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:15:39,003 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:39,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:39,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_167 vanished before elimination [2021-07-13 20:15:39,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_168 vanished before elimination [2021-07-13 20:15:39,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_157 vanished before elimination [2021-07-13 20:15:39,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-07-13 20:15:39,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_169 vanished before elimination [2021-07-13 20:15:39,030 INFO L518 ElimStorePlain]: Eliminatee v_prenex_159 vanished before elimination [2021-07-13 20:15:39,030 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:15:39,030 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:15:39,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:15:39,031 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 24 variables, input treesize:1361, output treesize:107 [2021-07-13 20:15:39,263 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 [2021-07-13 20:15:39,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:39,274 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 [2021-07-13 20:15:39,276 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:39,287 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-07-13 20:15:39,287 INFO L518 ElimStorePlain]: Eliminatee v_prenex_177 vanished before elimination [2021-07-13 20:15:39,287 INFO L518 ElimStorePlain]: Eliminatee v_prenex_178 vanished before elimination [2021-07-13 20:15:39,287 INFO L518 ElimStorePlain]: Eliminatee v_prenex_179 vanished before elimination [2021-07-13 20:15:39,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:15:39,288 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-13 20:15:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:15:39,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114085101] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:15:39,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:15:39,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 20:15:39,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610869017] [2021-07-13 20:15:39,295 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 20:15:39,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:15:39,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 20:15:39,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-07-13 20:15:39,296 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) [2021-07-13 20:15:39,550 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2021-07-13 20:15:39,792 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2021-07-13 20:15:40,016 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 52 [2021-07-13 20:15:40,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:15:40,341 INFO L93 Difference]: Finished difference Result 6215 states and 21916 transitions. [2021-07-13 20:15:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 20:15:40,341 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 [2021-07-13 20:15:40,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:15:40,355 INFO L225 Difference]: With dead ends: 6215 [2021-07-13 20:15:40,355 INFO L226 Difference]: Without dead ends: 6132 [2021-07-13 20:15:40,356 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1496.8ms TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2021-07-13 20:15:40,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2021-07-13 20:15:40,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 4865. [2021-07-13 20:15:40,561 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) [2021-07-13 20:15:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 4865 states and 17455 transitions. [2021-07-13 20:15:40,588 INFO L78 Accepts]: Start accepts. Automaton has 4865 states and 17455 transitions. Word has length 33 [2021-07-13 20:15:40,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:15:40,588 INFO L482 AbstractCegarLoop]: Abstraction has 4865 states and 17455 transitions. [2021-07-13 20:15:40,588 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) [2021-07-13 20:15:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 17455 transitions. [2021-07-13 20:15:40,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:15:40,598 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:15:40,598 INFO L508 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] [2021-07-13 20:15:40,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable417 [2021-07-13 20:15:40,829 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:15:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:15:40,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1784385830, now seen corresponding path program 15 times [2021-07-13 20:15:40,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:15:40,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88340247] [2021-07-13 20:15:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:15:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:15:41,359 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2021-07-13 20:15:41,577 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2021-07-13 20:15:41,734 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2021-07-13 20:15:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:15:41,829 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:15:41,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88340247] [2021-07-13 20:15:41,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88340247] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:15:41,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691138085] [2021-07-13 20:15:41,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:15:41,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 20:15:41,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:15:41,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 20:15:41,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:15:42,048 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 [2021-07-13 20:15:42,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:42,053 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 [2021-07-13 20:15:42,054 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:42,057 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 [2021-07-13 20:15:42,058 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:42,062 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 [2021-07-13 20:15:42,063 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:42,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:42,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:15:42,130 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:237, output treesize:233 [2021-07-13 20:15:42,254 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-13 20:15:42,254 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 [2021-07-13 20:15:42,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:42,271 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-13 20:15:42,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-13 20:15:42,282 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:42,297 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-13 20:15:42,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-13 20:15:42,298 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:42,311 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-13 20:15:42,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-13 20:15:42,319 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:42,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:42,406 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. [2021-07-13 20:15:42,406 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:301, output treesize:297 [2021-07-13 20:15:42,673 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-13 20:15:43,052 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-13 20:15:43,731 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-07-13 20:15:45,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:45,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:45,152 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:15:45,152 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 [2021-07-13 20:15:45,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:46,109 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2021-07-13 20:15:46,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:46,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:46,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:46,179 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:46,180 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 [2021-07-13 20:15:46,211 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-07-13 20:15:48,372 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 678 DAG size of output: 664 [2021-07-13 20:15:48,374 INFO L628 ElimStorePlain]: treesize reduction 135, result has 94.2 percent of original size [2021-07-13 20:15:48,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:48,516 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:15:48,516 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 [2021-07-13 20:15:48,521 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:49,556 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 667 [2021-07-13 20:15:49,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:49,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:49,633 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:15:49,633 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 [2021-07-13 20:15:49,638 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:50,793 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 675 [2021-07-13 20:15:50,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:50,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:50,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:50,896 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:50,896 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 [2021-07-13 20:15:50,931 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-07-13 20:15:54,126 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 682 DAG size of output: 660 [2021-07-13 20:15:54,128 INFO L628 ElimStorePlain]: treesize reduction 178, result has 92.6 percent of original size [2021-07-13 20:15:54,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:54,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:54,204 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:54,204 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 [2021-07-13 20:15:54,281 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2021-07-13 20:15:56,488 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 665 DAG size of output: 644 [2021-07-13 20:15:56,489 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.9 percent of original size [2021-07-13 20:15:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:56,567 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:15:56,568 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 [2021-07-13 20:15:56,602 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:57,614 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 650 [2021-07-13 20:15:57,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:57,694 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:15:57,695 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 [2021-07-13 20:15:57,699 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:58,840 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 661 [2021-07-13 20:15:58,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:58,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:58,914 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:15:58,914 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 [2021-07-13 20:15:58,918 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:15:59,943 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 662 [2021-07-13 20:15:59,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:15:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:15:59,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:00,012 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:00,012 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 [2021-07-13 20:16:00,043 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2021-07-13 20:16:03,230 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 669 DAG size of output: 640 [2021-07-13 20:16:03,231 INFO L628 ElimStorePlain]: treesize reduction 204, result has 91.4 percent of original size [2021-07-13 20:16:03,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:03,313 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:03,314 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 [2021-07-13 20:16:03,321 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-07-13 20:16:05,419 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 645 DAG size of output: 643 [2021-07-13 20:16:05,420 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.1 percent of original size [2021-07-13 20:16:05,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:05,498 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:05,498 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 [2021-07-13 20:16:05,505 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-07-13 20:16:07,629 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 652 DAG size of output: 648 [2021-07-13 20:16:07,633 INFO L628 ElimStorePlain]: treesize reduction 44, result has 98.0 percent of original size [2021-07-13 20:16:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:07,698 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:07,699 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 [2021-07-13 20:16:07,732 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2021-07-13 20:16:09,783 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 651 DAG size of output: 637 [2021-07-13 20:16:09,784 INFO L628 ElimStorePlain]: treesize reduction 169, result has 92.7 percent of original size [2021-07-13 20:16:09,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:09,843 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:09,843 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 [2021-07-13 20:16:09,874 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2021-07-13 20:16:11,960 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 634 DAG size of output: 622 [2021-07-13 20:16:11,962 INFO L628 ElimStorePlain]: treesize reduction 139, result has 93.8 percent of original size [2021-07-13 20:16:11,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:11,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:12,037 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:12,037 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 [2021-07-13 20:16:12,043 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-07-13 20:16:13,142 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 628 [2021-07-13 20:16:13,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:13,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:13,213 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:13,214 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 [2021-07-13 20:16:13,314 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2021-07-13 20:16:16,567 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 620 DAG size of output: 613 [2021-07-13 20:16:16,568 INFO L628 ElimStorePlain]: treesize reduction 102, result has 95.3 percent of original size [2021-07-13 20:16:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:16,642 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:16,642 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 [2021-07-13 20:16:16,692 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-07-13 20:16:17,853 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 615 [2021-07-13 20:16:17,854 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:17,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:17,927 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:17,927 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 [2021-07-13 20:16:17,931 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:19,038 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 619 [2021-07-13 20:16:19,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:19,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:19,106 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:19,106 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 92 treesize of output 90 [2021-07-13 20:16:19,167 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2021-07-13 20:16:21,415 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 610 DAG size of output: 605 [2021-07-13 20:16:21,416 INFO L628 ElimStorePlain]: treesize reduction 46, result has 97.8 percent of original size [2021-07-13 20:16:21,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:21,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:21,483 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 [2021-07-13 20:16:21,533 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 3 xjuncts. [2021-07-13 20:16:23,968 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 611 DAG size of output: 595 [2021-07-13 20:16:23,970 INFO L628 ElimStorePlain]: treesize reduction 192, result has 91.4 percent of original size [2021-07-13 20:16:23,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:23,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:24,044 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:24,044 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 [2021-07-13 20:16:24,048 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:25,171 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 598 [2021-07-13 20:16:25,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:25,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:25,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:25,262 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:25,263 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 [2021-07-13 20:16:25,266 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:26,369 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 598 [2021-07-13 20:16:26,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:26,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:26,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:26,437 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:26,437 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 [2021-07-13 20:16:26,517 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-07-13 20:16:28,921 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 606 DAG size of output: 586 [2021-07-13 20:16:28,923 INFO L628 ElimStorePlain]: treesize reduction 201, result has 91.0 percent of original size [2021-07-13 20:16:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:28,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:28,983 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:28,984 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 [2021-07-13 20:16:29,022 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 6 xjuncts. [2021-07-13 20:16:31,271 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 589 DAG size of output: 574 [2021-07-13 20:16:31,272 INFO L628 ElimStorePlain]: treesize reduction 211, result has 90.5 percent of original size [2021-07-13 20:16:31,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:31,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:31,341 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:31,341 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 [2021-07-13 20:16:31,346 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:32,463 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 577 [2021-07-13 20:16:32,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:32,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:32,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:32,525 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 [2021-07-13 20:16:32,559 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2021-07-13 20:16:35,926 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 579 DAG size of output: 564 [2021-07-13 20:16:35,927 INFO L628 ElimStorePlain]: treesize reduction 118, result has 94.4 percent of original size [2021-07-13 20:16:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:35,989 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:35,989 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 [2021-07-13 20:16:35,993 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:37,149 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 570 [2021-07-13 20:16:37,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:37,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:37,209 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:37,209 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 [2021-07-13 20:16:37,279 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 5 xjuncts. [2021-07-13 20:16:40,808 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 584 DAG size of output: 558 [2021-07-13 20:16:40,809 INFO L628 ElimStorePlain]: treesize reduction 341, result has 85.4 percent of original size [2021-07-13 20:16:40,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:40,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:40,870 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:40,870 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 [2021-07-13 20:16:40,886 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:41,986 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 567 [2021-07-13 20:16:41,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:42,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:42,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:42,045 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:42,045 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 [2021-07-13 20:16:42,077 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 3 xjuncts. [2021-07-13 20:16:44,344 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 577 DAG size of output: 549 [2021-07-13 20:16:44,346 INFO L628 ElimStorePlain]: treesize reduction 236, result has 89.4 percent of original size [2021-07-13 20:16:44,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:44,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:44,412 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:44,412 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 [2021-07-13 20:16:44,416 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:45,590 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-13 20:16:45,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:45,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:45,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:45,658 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:45,658 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 [2021-07-13 20:16:45,662 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:46,798 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 557 [2021-07-13 20:16:46,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:46,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:46,857 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:46,857 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 [2021-07-13 20:16:46,881 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2021-07-13 20:16:49,298 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 556 DAG size of output: 546 [2021-07-13 20:16:49,300 INFO L628 ElimStorePlain]: treesize reduction 91, result has 95.6 percent of original size [2021-07-13 20:16:49,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:49,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:49,358 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:49,358 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 [2021-07-13 20:16:49,362 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:50,520 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 550 [2021-07-13 20:16:50,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:50,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:50,581 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:50,581 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 [2021-07-13 20:16:50,585 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:51,750 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 551 [2021-07-13 20:16:51,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:51,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:51,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:51,805 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:51,805 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 102 treesize of output 98 [2021-07-13 20:16:51,849 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2021-07-13 20:16:54,278 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 568 DAG size of output: 539 [2021-07-13 20:16:54,279 INFO L628 ElimStorePlain]: treesize reduction 265, result has 88.3 percent of original size [2021-07-13 20:16:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:54,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:54,341 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:54,341 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 [2021-07-13 20:16:54,379 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-07-13 20:16:56,726 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 545 DAG size of output: 526 [2021-07-13 20:16:56,727 INFO L628 ElimStorePlain]: treesize reduction 185, result has 91.4 percent of original size [2021-07-13 20:16:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:56,788 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:56,788 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 [2021-07-13 20:16:56,792 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:57,997 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 531 [2021-07-13 20:16:57,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:58,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:58,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:58,061 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:16:58,061 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 [2021-07-13 20:16:58,065 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:16:59,371 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 535 [2021-07-13 20:16:59,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:59,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:59,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:16:59,429 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:16:59,430 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 [2021-07-13 20:16:59,462 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 4 xjuncts. [2021-07-13 20:17:01,918 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 538 DAG size of output: 523 [2021-07-13 20:17:01,920 INFO L628 ElimStorePlain]: treesize reduction 174, result has 92.0 percent of original size [2021-07-13 20:17:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:01,979 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:01,979 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 [2021-07-13 20:17:02,017 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 6 xjuncts. [2021-07-13 20:17:04,580 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 533 DAG size of output: 509 [2021-07-13 20:17:04,581 INFO L628 ElimStorePlain]: treesize reduction 292, result has 87.0 percent of original size [2021-07-13 20:17:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:04,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:04,637 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:04,637 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 [2021-07-13 20:17:04,670 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 4 xjuncts. [2021-07-13 20:17:07,237 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 512 DAG size of output: 500 [2021-07-13 20:17:07,238 INFO L628 ElimStorePlain]: treesize reduction 130, result has 93.7 percent of original size [2021-07-13 20:17:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:07,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:07,296 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:07,297 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 [2021-07-13 20:17:07,320 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-07-13 20:17:09,835 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 497 DAG size of output: 490 [2021-07-13 20:17:09,836 INFO L628 ElimStorePlain]: treesize reduction 69, result has 96.5 percent of original size [2021-07-13 20:17:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:09,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:09,891 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:09,891 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 [2021-07-13 20:17:09,920 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-07-13 20:17:12,485 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 495 DAG size of output: 477 [2021-07-13 20:17:12,486 INFO L628 ElimStorePlain]: treesize reduction 240, result has 88.8 percent of original size [2021-07-13 20:17:12,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:12,550 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:17:12,550 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 50 treesize of output 48 [2021-07-13 20:17:12,554 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:13,829 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 476 [2021-07-13 20:17:13,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:13,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:13,894 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-07-13 20:17:13,894 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 [2021-07-13 20:17:13,898 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:15,146 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 481 [2021-07-13 20:17:15,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:15,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:15,208 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:15,208 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 [2021-07-13 20:17:15,244 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-07-13 20:17:17,706 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 474 DAG size of output: 471 [2021-07-13 20:17:17,707 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-07-13 20:17:17,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:17,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:17,762 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:17,762 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 [2021-07-13 20:17:17,792 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 4 xjuncts. [2021-07-13 20:17:21,460 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 480 DAG size of output: 457 [2021-07-13 20:17:21,461 INFO L628 ElimStorePlain]: treesize reduction 210, result has 89.9 percent of original size [2021-07-13 20:17:21,607 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. [2021-07-13 20:17:21,608 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 72 variables, input treesize:2209, output treesize:1876 [2021-07-13 20:17:22,068 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 98 [2021-07-13 20:17:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:22,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:17:22,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:17:22,968 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 [2021-07-13 20:17:22,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:22,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:17:22,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:17:22,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:23,045 INFO L628 ElimStorePlain]: treesize reduction 111, result has 45.0 percent of original size [2021-07-13 20:17:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:23,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:17:23,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:17:23,050 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:23,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:23,074 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 [2021-07-13 20:17:23,076 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:23,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:23,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:23,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:17:23,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:17:23,099 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:23,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:23,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:23,116 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:237, output treesize:5 [2021-07-13 20:17:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:23,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691138085] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:23,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:17:23,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-13 20:17:23,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384418930] [2021-07-13 20:17:23,122 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:17:23,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:17:23,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:17:23,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:17:23,123 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) [2021-07-13 20:17:23,479 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2021-07-13 20:17:23,761 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-07-13 20:17:24,030 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-07-13 20:17:24,558 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-07-13 20:17:24,800 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-07-13 20:17:24,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:17:24,926 INFO L93 Difference]: Finished difference Result 7016 states and 24575 transitions. [2021-07-13 20:17:24,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 20:17:24,927 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 [2021-07-13 20:17:24,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:17:24,940 INFO L225 Difference]: With dead ends: 7016 [2021-07-13 20:17:24,941 INFO L226 Difference]: Without dead ends: 6825 [2021-07-13 20:17:24,941 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3896.0ms TimeCoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-07-13 20:17:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6825 states. [2021-07-13 20:17:25,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6825 to 5010. [2021-07-13 20:17:25,048 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) [2021-07-13 20:17:25,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 5010 states and 17920 transitions. [2021-07-13 20:17:25,061 INFO L78 Accepts]: Start accepts. Automaton has 5010 states and 17920 transitions. Word has length 33 [2021-07-13 20:17:25,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:17:25,061 INFO L482 AbstractCegarLoop]: Abstraction has 5010 states and 17920 transitions. [2021-07-13 20:17:25,061 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) [2021-07-13 20:17:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 17920 transitions. [2021-07-13 20:17:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:17:25,070 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:17:25,070 INFO L508 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] [2021-07-13 20:17:25,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable471,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:17:25,289 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:17:25,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:17:25,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1751058778, now seen corresponding path program 16 times [2021-07-13 20:17:25,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:17:25,289 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844063753] [2021-07-13 20:17:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:17:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:17:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:25,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:17:25,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844063753] [2021-07-13 20:17:25,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844063753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:25,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138448163] [2021-07-13 20:17:25,890 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 [2021-07-13 20:17:25,917 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:17:25,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:17:25,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:17:25,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:17:26,041 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 [2021-07-13 20:17:26,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,045 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 [2021-07-13 20:17:26,045 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,049 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 [2021-07-13 20:17:26,053 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,057 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 [2021-07-13 20:17:26,058 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:26,127 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:17:26,127 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:273 [2021-07-13 20:17:26,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:26,232 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 [2021-07-13 20:17:26,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:26,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-13 20:17:26,307 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:26,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:26,381 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 [2021-07-13 20:17:26,382 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:26,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:26,478 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 [2021-07-13 20:17:26,481 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:26,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:17:26,554 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:309, output treesize:305 [2021-07-13 20:17:26,856 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-07-13 20:17:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:26,889 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 [2021-07-13 20:17:26,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:26,895 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 [2021-07-13 20:17:26,896 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:26,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:26,900 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 [2021-07-13 20:17:26,901 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:27,170 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2021-07-13 20:17:27,171 INFO L628 ElimStorePlain]: treesize reduction 234, result has 72.4 percent of original size [2021-07-13 20:17:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:27,176 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 34 treesize of output 26 [2021-07-13 20:17:27,177 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:27,182 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 [2021-07-13 20:17:27,183 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:27,187 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 [2021-07-13 20:17:27,188 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:27,307 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-13 20:17:27,308 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:27,312 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 [2021-07-13 20:17:27,313 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:27,317 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 [2021-07-13 20:17:27,318 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:27,420 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-07-13 20:17:27,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:27,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:27,425 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 [2021-07-13 20:17:27,426 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:27,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:27,429 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 [2021-07-13 20:17:27,430 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:27,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:27,522 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-13 20:17:27,522 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:909, output treesize:443 [2021-07-13 20:17:28,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:28,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:28,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:28,093 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:28,107 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 27 treesize of output 17 [2021-07-13 20:17:28,109 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:28,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:28,121 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:28,986 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-07-13 20:17:28,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:28,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:28,999 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:29,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:29,009 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:29,355 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 5 [2021-07-13 20:17:29,356 INFO L628 ElimStorePlain]: treesize reduction 1657, result has 0.3 percent of original size [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_260 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_272 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_261 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_273 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_262 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_274 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_263 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_264 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_275 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_265 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_266 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_267 vanished before elimination [2021-07-13 20:17:29,356 INFO L518 ElimStorePlain]: Eliminatee v_prenex_268 vanished before elimination [2021-07-13 20:17:29,357 INFO L518 ElimStorePlain]: Eliminatee v_prenex_269 vanished before elimination [2021-07-13 20:17:29,357 INFO L518 ElimStorePlain]: Eliminatee v_prenex_258 vanished before elimination [2021-07-13 20:17:29,357 INFO L518 ElimStorePlain]: Eliminatee v_prenex_259 vanished before elimination [2021-07-13 20:17:29,357 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:17:29,357 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:17:29,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:29,357 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 20 variables, input treesize:1841, output treesize:5 [2021-07-13 20:17:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:29,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138448163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:29,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:17:29,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 20:17:29,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998865549] [2021-07-13 20:17:29,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 20:17:29,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:17:29,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 20:17:29,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-07-13 20:17:29,366 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) [2021-07-13 20:17:29,733 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-07-13 20:17:29,996 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2021-07-13 20:17:30,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:17:30,619 INFO L93 Difference]: Finished difference Result 6698 states and 23616 transitions. [2021-07-13 20:17:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 20:17:30,619 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 [2021-07-13 20:17:30,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:17:30,632 INFO L225 Difference]: With dead ends: 6698 [2021-07-13 20:17:30,633 INFO L226 Difference]: Without dead ends: 6550 [2021-07-13 20:17:30,652 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1737.1ms TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2021-07-13 20:17:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2021-07-13 20:17:30,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 5024. [2021-07-13 20:17:30,721 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) [2021-07-13 20:17:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 17986 transitions. [2021-07-13 20:17:30,733 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 17986 transitions. Word has length 33 [2021-07-13 20:17:30,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:17:30,734 INFO L482 AbstractCegarLoop]: Abstraction has 5024 states and 17986 transitions. [2021-07-13 20:17:30,734 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) [2021-07-13 20:17:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 17986 transitions. [2021-07-13 20:17:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:17:30,743 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:17:30,743 INFO L508 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] [2021-07-13 20:17:30,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1130,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:17:30,959 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:17:30,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:17:30,960 INFO L82 PathProgramCache]: Analyzing trace with hash -320803294, now seen corresponding path program 17 times [2021-07-13 20:17:30,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:17:30,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253316472] [2021-07-13 20:17:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:17:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:17:31,486 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 39 [2021-07-13 20:17:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:31,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:17:31,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253316472] [2021-07-13 20:17:31,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253316472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:31,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874363084] [2021-07-13 20:17:31,580 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 [2021-07-13 20:17:31,609 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-13 20:17:31,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:17:31,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-13 20:17:31,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:17:31,690 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 [2021-07-13 20:17:31,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:31,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:31,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:31,730 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-13 20:17:32,146 INFO L446 ElimStorePlain]: Different costs {1=[v_C_28], 3=[A, B]} [2021-07-13 20:17:32,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,155 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 [2021-07-13 20:17:32,156 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,165 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 [2021-07-13 20:17:32,166 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,174 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 30 treesize of output 32 [2021-07-13 20:17:32,175 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,184 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 [2021-07-13 20:17:32,185 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,193 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 [2021-07-13 20:17:32,194 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,203 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 [2021-07-13 20:17:32,204 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,213 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 [2021-07-13 20:17:32,214 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,222 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 [2021-07-13 20:17:32,223 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,231 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 [2021-07-13 20:17:32,232 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,241 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 [2021-07-13 20:17:32,242 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,250 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 [2021-07-13 20:17:32,261 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,271 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 30 treesize of output 32 [2021-07-13 20:17:32,272 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,281 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 [2021-07-13 20:17:32,282 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,291 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 [2021-07-13 20:17:32,292 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,299 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 [2021-07-13 20:17:32,300 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,307 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 [2021-07-13 20:17:32,308 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,639 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-07-13 20:17:32,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,648 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 57 treesize of output 39 [2021-07-13 20:17:32,649 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,658 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,666 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 57 treesize of output 39 [2021-07-13 20:17:32,667 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,675 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 61 treesize of output 39 [2021-07-13 20:17:32,676 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,685 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 57 treesize of output 39 [2021-07-13 20:17:32,686 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,695 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,704 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,713 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,722 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,732 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,740 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 61 treesize of output 39 [2021-07-13 20:17:32,741 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,750 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,757 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 57 treesize of output 39 [2021-07-13 20:17:32,758 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,766 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 61 treesize of output 39 [2021-07-13 20:17:32,767 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,775 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:32,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:32,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:32,803 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,022 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-13 20:17:33,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:33,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 33 [2021-07-13 20:17:33,031 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,039 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,047 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 69 treesize of output 41 [2021-07-13 20:17:33,050 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,059 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,067 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 55 treesize of output 35 [2021-07-13 20:17:33,068 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,078 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,087 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,096 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,105 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,114 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,133 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,142 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,150 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 67 treesize of output 39 [2021-07-13 20:17:33,151 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,158 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 63 treesize of output 39 [2021-07-13 20:17:33,159 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:17:33,167 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:33,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:33,172 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,255 INFO L628 ElimStorePlain]: treesize reduction 236, result has 35.0 percent of original size [2021-07-13 20:17:33,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:17:33,256 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 3 variables, input treesize:1425, output treesize:127 [2021-07-13 20:17:33,527 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 [2021-07-13 20:17:33,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,531 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 [2021-07-13 20:17:33,532 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,544 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-07-13 20:17:33,544 INFO L518 ElimStorePlain]: Eliminatee v_prenex_276 vanished before elimination [2021-07-13 20:17:33,544 INFO L518 ElimStorePlain]: Eliminatee v_prenex_277 vanished before elimination [2021-07-13 20:17:33,545 INFO L518 ElimStorePlain]: Eliminatee v_prenex_278 vanished before elimination [2021-07-13 20:17:33,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:33,545 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-13 20:17:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:33,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874363084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:33,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:17:33,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-07-13 20:17:33,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877218961] [2021-07-13 20:17:33,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:17:33,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:17:33,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:17:33,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:17:33,551 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) [2021-07-13 20:17:34,362 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2021-07-13 20:17:34,584 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2021-07-13 20:17:34,938 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-07-13 20:17:35,863 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-07-13 20:17:36,187 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-07-13 20:17:36,542 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-07-13 20:17:36,728 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2021-07-13 20:17:37,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:17:37,146 INFO L93 Difference]: Finished difference Result 9838 states and 33027 transitions. [2021-07-13 20:17:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-13 20:17:37,146 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 [2021-07-13 20:17:37,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:17:37,167 INFO L225 Difference]: With dead ends: 9838 [2021-07-13 20:17:37,167 INFO L226 Difference]: Without dead ends: 9476 [2021-07-13 20:17:37,168 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 3166.8ms TimeCoverageRelationStatistics Valid=445, Invalid=1811, Unknown=0, NotChecked=0, Total=2256 [2021-07-13 20:17:37,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9476 states. [2021-07-13 20:17:37,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9476 to 5662. [2021-07-13 20:17:37,279 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) [2021-07-13 20:17:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5662 states and 20259 transitions. [2021-07-13 20:17:37,312 INFO L78 Accepts]: Start accepts. Automaton has 5662 states and 20259 transitions. Word has length 33 [2021-07-13 20:17:37,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:17:37,312 INFO L482 AbstractCegarLoop]: Abstraction has 5662 states and 20259 transitions. [2021-07-13 20:17:37,312 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) [2021-07-13 20:17:37,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5662 states and 20259 transitions. [2021-07-13 20:17:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:17:37,339 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:17:37,339 INFO L508 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] [2021-07-13 20:17:37,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1258,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:17:37,553 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:17:37,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:17:37,553 INFO L82 PathProgramCache]: Analyzing trace with hash 875509148, now seen corresponding path program 18 times [2021-07-13 20:17:37,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:17:37,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704689384] [2021-07-13 20:17:37,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:17:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:17:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:38,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:17:38,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704689384] [2021-07-13 20:17:38,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704689384] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:38,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920123069] [2021-07-13 20:17:38,151 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 [2021-07-13 20:17:38,191 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-13 20:17:38,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:17:38,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:17:38,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:17:38,276 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 [2021-07-13 20:17:38,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:38,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:38,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:38,286 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:17:39,300 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 50 treesize of output 36 [2021-07-13 20:17:39,302 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,309 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 52 treesize of output 36 [2021-07-13 20:17:39,311 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,318 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 41 treesize of output 29 [2021-07-13 20:17:39,319 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:17:39,329 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,339 INFO L550 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,347 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 50 treesize of output 36 [2021-07-13 20:17:39,349 INFO L550 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,358 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,368 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,379 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 43 treesize of output 29 [2021-07-13 20:17:39,381 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,395 INFO L550 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,403 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 43 treesize of output 29 [2021-07-13 20:17:39,405 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,418 INFO L550 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,432 INFO L550 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,444 INFO L550 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,454 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 [2021-07-13 20:17:39,456 INFO L550 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,486 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 52 treesize of output 36 [2021-07-13 20:17:39,490 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,511 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,531 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 50 treesize of output 36 [2021-07-13 20:17:39,533 INFO L550 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,547 INFO L550 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,560 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,578 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 36 [2021-07-13 20:17:39,580 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,594 INFO L550 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:17:39,610 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,636 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 41 treesize of output 29 [2021-07-13 20:17:39,638 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,655 INFO L550 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,669 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 52 treesize of output 36 [2021-07-13 20:17:39,671 INFO L550 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,689 INFO L550 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,723 INFO L550 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,741 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 43 treesize of output 29 [2021-07-13 20:17:39,743 INFO L550 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,761 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 52 treesize of output 36 [2021-07-13 20:17:39,764 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:39,783 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:39,805 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 43 treesize of output 29 [2021-07-13 20:17:39,807 INFO L550 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,662 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 265 [2021-07-13 20:17:41,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:41,706 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 44 treesize of output 30 [2021-07-13 20:17:41,708 INFO L550 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,747 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 46 treesize of output 30 [2021-07-13 20:17:41,749 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,780 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 50 treesize of output 34 [2021-07-13 20:17:41,782 INFO L550 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,819 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 37 treesize of output 25 [2021-07-13 20:17:41,821 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:41,853 INFO L550 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:41,882 INFO L550 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:41,909 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:41,943 INFO L550 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:41,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:41,979 INFO L550 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,014 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 52 treesize of output 34 [2021-07-13 20:17:42,016 INFO L550 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,054 INFO L550 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,085 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 [2021-07-13 20:17:42,087 INFO L550 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,118 INFO L550 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,145 INFO L550 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,173 INFO L550 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,200 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 46 treesize of output 30 [2021-07-13 20:17:42,202 INFO L550 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,232 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 39 treesize of output 25 [2021-07-13 20:17:42,234 INFO L550 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,271 INFO L550 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,297 INFO L550 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,326 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 37 treesize of output 25 [2021-07-13 20:17:42,327 INFO L550 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,359 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 37 treesize of output 25 [2021-07-13 20:17:42,360 INFO L550 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,390 INFO L550 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,422 INFO L550 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,452 INFO L550 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,483 INFO L550 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,514 INFO L550 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,547 INFO L550 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,573 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 44 treesize of output 30 [2021-07-13 20:17:42,575 INFO L550 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,604 INFO L550 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,630 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 39 treesize of output 25 [2021-07-13 20:17:42,632 INFO L550 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,656 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 34 [2021-07-13 20:17:42,658 INFO L550 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:42,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:42,678 INFO L550 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-13 20:17:45,773 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 328 DAG size of output: 327 [2021-07-13 20:17:45,774 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.5 percent of original size [2021-07-13 20:17:45,793 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 [2021-07-13 20:17:45,794 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,814 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 [2021-07-13 20:17:45,815 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,834 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 [2021-07-13 20:17:45,835 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,857 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 [2021-07-13 20:17:45,858 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,880 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 [2021-07-13 20:17:45,881 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,902 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 [2021-07-13 20:17:45,903 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,925 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 [2021-07-13 20:17:45,926 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,946 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 [2021-07-13 20:17:45,947 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,967 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 [2021-07-13 20:17:45,968 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:45,989 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 [2021-07-13 20:17:45,990 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,012 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 [2021-07-13 20:17:46,013 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,038 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 [2021-07-13 20:17:46,039 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,062 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 [2021-07-13 20:17:46,063 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,094 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 [2021-07-13 20:17:46,095 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,120 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 [2021-07-13 20:17:46,121 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,145 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 [2021-07-13 20:17:46,146 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,172 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 [2021-07-13 20:17:46,173 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,199 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 [2021-07-13 20:17:46,200 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,225 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 [2021-07-13 20:17:46,226 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,248 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 [2021-07-13 20:17:46,249 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,272 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 16 treesize of output 18 [2021-07-13 20:17:46,273 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,295 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 22 treesize of output 22 [2021-07-13 20:17:46,296 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,318 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 21 treesize of output 21 [2021-07-13 20:17:46,319 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,342 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 21 treesize of output 21 [2021-07-13 20:17:46,343 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,365 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 [2021-07-13 20:17:46,366 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,389 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 [2021-07-13 20:17:46,390 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,412 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 22 treesize of output 22 [2021-07-13 20:17:46,413 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,436 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 [2021-07-13 20:17:46,437 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,461 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 [2021-07-13 20:17:46,462 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,487 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 16 treesize of output 18 [2021-07-13 20:17:46,488 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,513 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 [2021-07-13 20:17:46,514 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,536 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 17 treesize of output 19 [2021-07-13 20:17:46,537 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:46,976 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-13 20:17:46,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:46,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 17 xjuncts. [2021-07-13 20:17:46,994 INFO L247 ElimStorePlain]: Needed 97 recursive calls to eliminate 3 variables, input treesize:2241, output treesize:405 [2021-07-13 20:17:47,142 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 [2021-07-13 20:17:47,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:47,156 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-07-13 20:17:47,156 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-13 20:17:47,156 INFO L518 ElimStorePlain]: Eliminatee v_prenex_281 vanished before elimination [2021-07-13 20:17:47,156 INFO L518 ElimStorePlain]: Eliminatee v_prenex_279 vanished before elimination [2021-07-13 20:17:47,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:47,157 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-13 20:17:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:47,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920123069] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:47,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:17:47,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-13 20:17:47,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427915299] [2021-07-13 20:17:47,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:17:47,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:17:47,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:17:47,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:17:47,162 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) [2021-07-13 20:17:47,636 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-07-13 20:17:47,856 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-07-13 20:17:48,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:17:48,140 INFO L93 Difference]: Finished difference Result 7340 states and 25658 transitions. [2021-07-13 20:17:48,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 20:17:48,140 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 [2021-07-13 20:17:48,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:17:48,154 INFO L225 Difference]: With dead ends: 7340 [2021-07-13 20:17:48,155 INFO L226 Difference]: Without dead ends: 7145 [2021-07-13 20:17:48,155 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1264.5ms TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-07-13 20:17:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7145 states. [2021-07-13 20:17:48,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7145 to 5610. [2021-07-13 20:17:48,232 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) [2021-07-13 20:17:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5610 states and 20072 transitions. [2021-07-13 20:17:48,246 INFO L78 Accepts]: Start accepts. Automaton has 5610 states and 20072 transitions. Word has length 33 [2021-07-13 20:17:48,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:17:48,246 INFO L482 AbstractCegarLoop]: Abstraction has 5610 states and 20072 transitions. [2021-07-13 20:17:48,246 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) [2021-07-13 20:17:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 5610 states and 20072 transitions. [2021-07-13 20:17:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:17:48,256 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:17:48,256 INFO L508 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] [2021-07-13 20:17:48,457 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1305 [2021-07-13 20:17:48,457 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:17:48,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:17:48,457 INFO L82 PathProgramCache]: Analyzing trace with hash 129571106, now seen corresponding path program 19 times [2021-07-13 20:17:48,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:17:48,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719111365] [2021-07-13 20:17:48,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:17:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:17:48,764 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-07-13 20:17:48,953 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:48,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:17:48,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719111365] [2021-07-13 20:17:48,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719111365] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:48,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183901041] [2021-07-13 20:17:48,954 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 [2021-07-13 20:17:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:17:48,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:17:48,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:17:49,067 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 [2021-07-13 20:17:49,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:49,078 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,078 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-13 20:17:49,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,157 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 [2021-07-13 20:17:49,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,163 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 30 treesize of output 32 [2021-07-13 20:17:49,164 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,170 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 [2021-07-13 20:17:49,171 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,175 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 [2021-07-13 20:17:49,176 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:49,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:17:49,246 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:285, output treesize:281 [2021-07-13 20:17:49,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:49,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,561 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 61 treesize of output 39 [2021-07-13 20:17:49,562 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:49,573 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,580 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 61 treesize of output 39 [2021-07-13 20:17:49,581 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:49,987 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-13 20:17:49,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:49,997 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 55 treesize of output 35 [2021-07-13 20:17:49,998 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,009 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 69 treesize of output 41 [2021-07-13 20:17:50,010 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,019 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 59 treesize of output 35 [2021-07-13 20:17:50,020 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,027 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 65 treesize of output 41 [2021-07-13 20:17:50,028 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:50,698 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-13 20:17:50,699 INFO L628 ElimStorePlain]: treesize reduction 26, result has 97.6 percent of original size [2021-07-13 20:17:50,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,708 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 [2021-07-13 20:17:50,709 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:50,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,719 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 57 treesize of output 39 [2021-07-13 20:17:50,720 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:50,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:50,730 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:50,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:50,737 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:51,044 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-07-13 20:17:51,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:51,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:51,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:51,056 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:51,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:51,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:51,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:51,067 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:51,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:51,078 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 59 treesize of output 35 [2021-07-13 20:17:51,079 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:17:51,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:51,087 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:51,252 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2021-07-13 20:17:51,253 INFO L628 ElimStorePlain]: treesize reduction 702, result has 13.2 percent of original size [2021-07-13 20:17:51,253 INFO L518 ElimStorePlain]: Eliminatee v_prenex_284 vanished before elimination [2021-07-13 20:17:51,253 INFO L518 ElimStorePlain]: Eliminatee v_prenex_285 vanished before elimination [2021-07-13 20:17:51,253 INFO L518 ElimStorePlain]: Eliminatee v_prenex_286 vanished before elimination [2021-07-13 20:17:51,253 INFO L518 ElimStorePlain]: Eliminatee v_prenex_287 vanished before elimination [2021-07-13 20:17:51,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:17:51,254 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:1329, output treesize:107 [2021-07-13 20:17:51,438 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 [2021-07-13 20:17:51,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:51,454 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-07-13 20:17:51,454 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-13 20:17:51,454 INFO L518 ElimStorePlain]: Eliminatee v_prenex_288 vanished before elimination [2021-07-13 20:17:51,454 INFO L518 ElimStorePlain]: Eliminatee v_prenex_289 vanished before elimination [2021-07-13 20:17:51,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:51,455 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-13 20:17:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:51,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183901041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:51,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:17:51,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 20:17:51,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239641898] [2021-07-13 20:17:51,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 20:17:51,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:17:51,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 20:17:51,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-07-13 20:17:51,461 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) [2021-07-13 20:17:51,882 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2021-07-13 20:17:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:17:52,195 INFO L93 Difference]: Finished difference Result 7215 states and 25241 transitions. [2021-07-13 20:17:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-13 20:17:52,196 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 [2021-07-13 20:17:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:17:52,212 INFO L225 Difference]: With dead ends: 7215 [2021-07-13 20:17:52,212 INFO L226 Difference]: Without dead ends: 7120 [2021-07-13 20:17:52,212 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1041.8ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:17:52,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7120 states. [2021-07-13 20:17:52,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7120 to 5721. [2021-07-13 20:17:52,318 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) [2021-07-13 20:17:52,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 20442 transitions. [2021-07-13 20:17:52,334 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 20442 transitions. Word has length 33 [2021-07-13 20:17:52,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:17:52,334 INFO L482 AbstractCegarLoop]: Abstraction has 5721 states and 20442 transitions. [2021-07-13 20:17:52,334 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) [2021-07-13 20:17:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 20442 transitions. [2021-07-13 20:17:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:17:52,347 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:17:52,347 INFO L508 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] [2021-07-13 20:17:52,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1470,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:17:52,552 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:17:52,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:17:52,552 INFO L82 PathProgramCache]: Analyzing trace with hash 800704726, now seen corresponding path program 20 times [2021-07-13 20:17:52,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:17:52,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018438268] [2021-07-13 20:17:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:17:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:17:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:53,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:17:53,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018438268] [2021-07-13 20:17:53,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018438268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:53,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414906842] [2021-07-13 20:17:53,164 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 [2021-07-13 20:17:53,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:17:53,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:17:53,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:17:53,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:17:53,390 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 [2021-07-13 20:17:53,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:53,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:53,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:53,409 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:17:53,523 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 [2021-07-13 20:17:53,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:53,530 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 [2021-07-13 20:17:53,531 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:53,536 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 24 treesize of output 26 [2021-07-13 20:17:53,537 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:53,542 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 [2021-07-13 20:17:53,543 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:53,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:17:53,606 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:17:53,606 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:253, output treesize:249 [2021-07-13 20:17:53,889 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-07-13 20:17:54,546 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 51 treesize of output 35 [2021-07-13 20:17:54,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:54,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:54,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:54,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:54,572 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:54,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:54,585 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:54,597 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 49 treesize of output 35 [2021-07-13 20:17:54,598 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:54,610 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 42 treesize of output 28 [2021-07-13 20:17:54,612 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:54,623 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 49 treesize of output 35 [2021-07-13 20:17:54,624 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:54,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:54,634 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,015 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 140 DAG size of output: 129 [2021-07-13 20:17:57,015 INFO L628 ElimStorePlain]: treesize reduction 500, result has 76.2 percent of original size [2021-07-13 20:17:57,026 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 49 treesize of output 35 [2021-07-13 20:17:57,028 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:57,040 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:57,053 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:57,065 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:57,077 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:57,089 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:17:57,101 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:57,109 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,952 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2021-07-13 20:17:57,952 INFO L628 ElimStorePlain]: treesize reduction 200, result has 86.4 percent of original size [2021-07-13 20:17:57,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:57,963 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,972 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 36 treesize of output 24 [2021-07-13 20:17:57,973 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:57,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:58,009 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,015 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 38 treesize of output 24 [2021-07-13 20:17:58,016 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,564 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2021-07-13 20:17:58,564 INFO L628 ElimStorePlain]: treesize reduction 302, result has 73.6 percent of original size [2021-07-13 20:17:58,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:58,574 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:58,583 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:17:58,592 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,597 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 55 treesize of output 37 [2021-07-13 20:17:58,599 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,718 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 27 [2021-07-13 20:17:58,719 INFO L628 ElimStorePlain]: treesize reduction 604, result has 13.8 percent of original size [2021-07-13 20:17:58,719 INFO L518 ElimStorePlain]: Eliminatee v_prenex_293 vanished before elimination [2021-07-13 20:17:58,719 INFO L518 ElimStorePlain]: Eliminatee v_prenex_294 vanished before elimination [2021-07-13 20:17:58,719 INFO L518 ElimStorePlain]: Eliminatee v_prenex_295 vanished before elimination [2021-07-13 20:17:58,719 INFO L518 ElimStorePlain]: Eliminatee v_prenex_296 vanished before elimination [2021-07-13 20:17:58,720 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:17:58,720 INFO L247 ElimStorePlain]: Needed 25 recursive calls to eliminate 8 variables, input treesize:2241, output treesize:97 [2021-07-13 20:17:58,838 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 [2021-07-13 20:17:58,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:17:58,840 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,855 INFO L628 ElimStorePlain]: treesize reduction 108, result has 4.4 percent of original size [2021-07-13 20:17:58,855 INFO L518 ElimStorePlain]: Eliminatee v_prenex_297 vanished before elimination [2021-07-13 20:17:58,855 INFO L518 ElimStorePlain]: Eliminatee v_prenex_298 vanished before elimination [2021-07-13 20:17:58,855 INFO L518 ElimStorePlain]: Eliminatee v_prenex_299 vanished before elimination [2021-07-13 20:17:58,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:17:58,856 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-07-13 20:17:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:17:58,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414906842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:17:58,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:17:58,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 20:17:58,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532580322] [2021-07-13 20:17:58,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 20:17:58,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:17:58,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 20:17:58,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-07-13 20:17:58,868 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) [2021-07-13 20:17:59,234 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2021-07-13 20:17:59,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:17:59,488 INFO L93 Difference]: Finished difference Result 8167 states and 28538 transitions. [2021-07-13 20:17:59,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 20:17:59,489 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 [2021-07-13 20:17:59,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:17:59,507 INFO L225 Difference]: With dead ends: 8167 [2021-07-13 20:17:59,507 INFO L226 Difference]: Without dead ends: 7964 [2021-07-13 20:17:59,507 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1174.8ms TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:17:59,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-07-13 20:17:59,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 5826. [2021-07-13 20:17:59,660 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) [2021-07-13 20:17:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 20788 transitions. [2021-07-13 20:17:59,674 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 20788 transitions. Word has length 33 [2021-07-13 20:17:59,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:17:59,676 INFO L482 AbstractCegarLoop]: Abstraction has 5826 states and 20788 transitions. [2021-07-13 20:17:59,676 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) [2021-07-13 20:17:59,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 20788 transitions. [2021-07-13 20:17:59,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:17:59,685 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:17:59,685 INFO L508 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] [2021-07-13 20:17:59,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1529,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:17:59,897 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:17:59,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:17:59,898 INFO L82 PathProgramCache]: Analyzing trace with hash 834031778, now seen corresponding path program 21 times [2021-07-13 20:17:59,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:17:59,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198180371] [2021-07-13 20:17:59,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:17:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:18:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:18:00,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:18:00,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198180371] [2021-07-13 20:18:00,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198180371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:18:00,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304259244] [2021-07-13 20:18:00,455 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 [2021-07-13 20:18:00,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 20:18:00,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:18:00,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 20:18:00,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:18:00,568 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 [2021-07-13 20:18:00,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:00,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:00,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:18:00,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:18:00,670 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-13 20:18:00,670 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 [2021-07-13 20:18:00,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:00,691 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-13 20:18:00,691 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 [2021-07-13 20:18:00,692 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:00,706 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-13 20:18:00,707 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 [2021-07-13 20:18:00,707 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:00,721 INFO L354 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2021-07-13 20:18:00,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-07-13 20:18:00,722 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:00,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:00,804 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. [2021-07-13 20:18:00,804 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:285, output treesize:281 [2021-07-13 20:18:01,588 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-07-13 20:18:01,819 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-13 20:18:01,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:01,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:01,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:01,963 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 [2021-07-13 20:18:01,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:01,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:01,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:01,969 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 [2021-07-13 20:18:01,970 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:02,403 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2021-07-13 20:18:02,404 INFO L628 ElimStorePlain]: treesize reduction 58, result has 92.4 percent of original size [2021-07-13 20:18:02,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:02,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:02,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:02,411 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 [2021-07-13 20:18:02,412 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:02,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:02,417 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 [2021-07-13 20:18:02,418 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:02,610 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-13 20:18:02,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:02,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:02,617 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 [2021-07-13 20:18:02,617 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:02,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:02,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:18:02,623 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:02,803 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-07-13 20:18:02,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:02,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:02,810 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 [2021-07-13 20:18:02,811 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:02,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:02,820 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 [2021-07-13 20:18:02,821 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:02,991 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-07-13 20:18:02,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:02,997 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 [2021-07-13 20:18:02,998 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:03,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:03,003 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 [2021-07-13 20:18:03,003 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:03,176 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-07-13 20:18:03,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:03,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:03,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:03,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:18:03,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:18:03,185 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:03,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:03,189 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 [2021-07-13 20:18:03,190 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:03,350 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-07-13 20:18:03,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:03,358 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. [2021-07-13 20:18:03,358 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:799, output treesize:481 [2021-07-13 20:18:03,742 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2021-07-13 20:18:04,416 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]} [2021-07-13 20:18:04,432 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 29 treesize of output 17 [2021-07-13 20:18:04,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:04,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:04,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:04,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:04,465 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:04,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:04,476 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:05,388 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-07-13 20:18:05,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:05,402 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 27 treesize of output 17 [2021-07-13 20:18:05,403 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:05,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:05,419 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:05,434 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 29 treesize of output 17 [2021-07-13 20:18:05,436 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:05,447 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 27 treesize of output 17 [2021-07-13 20:18:05,448 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:06,291 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2021-07-13 20:18:06,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:06,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:06,306 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:06,316 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 27 treesize of output 15 [2021-07-13 20:18:06,317 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:06,640 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 5 [2021-07-13 20:18:06,640 INFO L628 ElimStorePlain]: treesize reduction 1621, result has 0.3 percent of original size [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_318 vanished before elimination [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_319 vanished before elimination [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_320 vanished before elimination [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_310 vanished before elimination [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_321 vanished before elimination [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_311 vanished before elimination [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_322 vanished before elimination [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_323 vanished before elimination [2021-07-13 20:18:06,640 INFO L518 ElimStorePlain]: Eliminatee v_prenex_326 vanished before elimination [2021-07-13 20:18:06,641 INFO L518 ElimStorePlain]: Eliminatee v_prenex_316 vanished before elimination [2021-07-13 20:18:06,641 INFO L518 ElimStorePlain]: Eliminatee v_prenex_317 vanished before elimination [2021-07-13 20:18:06,641 INFO L518 ElimStorePlain]: Eliminatee v_prenex_312 vanished before elimination [2021-07-13 20:18:06,641 INFO L518 ElimStorePlain]: Eliminatee v_prenex_313 vanished before elimination [2021-07-13 20:18:06,641 INFO L518 ElimStorePlain]: Eliminatee v_prenex_324 vanished before elimination [2021-07-13 20:18:06,641 INFO L518 ElimStorePlain]: Eliminatee v_prenex_314 vanished before elimination [2021-07-13 20:18:06,641 INFO L518 ElimStorePlain]: Eliminatee v_prenex_325 vanished before elimination [2021-07-13 20:18:06,641 INFO L518 ElimStorePlain]: Eliminatee v_prenex_315 vanished before elimination [2021-07-13 20:18:06,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:18:06,641 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 24 variables, input treesize:1937, output treesize:5 [2021-07-13 20:18:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:18:06,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304259244] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:18:06,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:18:06,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-07-13 20:18:06,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923242606] [2021-07-13 20:18:06,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:18:06,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:18:06,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:18:06,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:18:06,650 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) [2021-07-13 20:18:06,876 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-13 20:18:07,372 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2021-07-13 20:18:07,724 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 99 [2021-07-13 20:18:07,949 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-07-13 20:18:08,163 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-07-13 20:18:08,471 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-07-13 20:18:08,702 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-07-13 20:18:09,141 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 112 [2021-07-13 20:18:09,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:18:09,300 INFO L93 Difference]: Finished difference Result 7804 states and 27257 transitions. [2021-07-13 20:18:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-13 20:18:09,300 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 [2021-07-13 20:18:09,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:18:09,317 INFO L225 Difference]: With dead ends: 7804 [2021-07-13 20:18:09,317 INFO L226 Difference]: Without dead ends: 7616 [2021-07-13 20:18:09,318 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3472.0ms TimeCoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 20:18:09,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2021-07-13 20:18:09,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 5834. [2021-07-13 20:18:09,409 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) [2021-07-13 20:18:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 20847 transitions. [2021-07-13 20:18:09,424 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 20847 transitions. Word has length 33 [2021-07-13 20:18:09,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:18:09,424 INFO L482 AbstractCegarLoop]: Abstraction has 5834 states and 20847 transitions. [2021-07-13 20:18:09,424 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) [2021-07-13 20:18:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 20847 transitions. [2021-07-13 20:18:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:18:09,433 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:18:09,433 INFO L508 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] [2021-07-13 20:18:09,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1692,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:18:09,634 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:18:09,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:18:09,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1088923614, now seen corresponding path program 22 times [2021-07-13 20:18:09,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:18:09,635 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411928835] [2021-07-13 20:18:09,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:18:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:18:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:18:09,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:18:09,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411928835] [2021-07-13 20:18:09,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411928835] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:18:09,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426735791] [2021-07-13 20:18:09,959 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 [2021-07-13 20:18:10,015 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:18:10,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:18:10,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-13 20:18:10,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:18:10,094 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 [2021-07-13 20:18:10,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:10,105 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,105 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-13 20:18:10,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:10,139 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 [2021-07-13 20:18:10,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:10,151 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,151 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-07-13 20:18:10,432 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 47 treesize of output 35 [2021-07-13 20:18:10,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,439 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 51 treesize of output 35 [2021-07-13 20:18:10,440 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:18:10,447 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,453 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 47 treesize of output 35 [2021-07-13 20:18:10,453 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,459 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 47 treesize of output 35 [2021-07-13 20:18:10,460 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,467 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,474 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,480 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,486 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 51 treesize of output 35 [2021-07-13 20:18:10,487 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,494 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,501 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,508 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,515 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,521 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 49 treesize of output 35 [2021-07-13 20:18:10,522 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,529 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,533 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,704 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-13 20:18:10,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:10,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,711 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,716 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 45 treesize of output 29 [2021-07-13 20:18:10,717 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,723 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,729 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,736 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,748 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 55 treesize of output 37 [2021-07-13 20:18:10,750 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,756 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 51 treesize of output 33 [2021-07-13 20:18:10,757 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,762 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 57 treesize of output 37 [2021-07-13 20:18:10,763 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,768 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 49 treesize of output 33 [2021-07-13 20:18:10,769 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,776 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,782 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,787 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 53 treesize of output 37 [2021-07-13 20:18:10,788 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,794 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,799 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 41 treesize of output 29 [2021-07-13 20:18:10,800 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,804 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 57 treesize of output 37 [2021-07-13 20:18:10,805 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:18:10,814 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:10,896 INFO L628 ElimStorePlain]: treesize reduction 157, result has 37.2 percent of original size [2021-07-13 20:18:10,897 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:18:10,897 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 2 variables, input treesize:1121, output treesize:93 [2021-07-13 20:18:11,109 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2021-07-13 20:18:11,136 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 [2021-07-13 20:18:11,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:11,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-07-13 20:18:11,141 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:11,158 INFO L628 ElimStorePlain]: treesize reduction 113, result has 4.2 percent of original size [2021-07-13 20:18:11,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_329 vanished before elimination [2021-07-13 20:18:11,158 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-13 20:18:11,158 INFO L518 ElimStorePlain]: Eliminatee v_prenex_330 vanished before elimination [2021-07-13 20:18:11,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:18:11,158 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:155, output treesize:5 [2021-07-13 20:18:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:18:11,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426735791] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:18:11,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:18:11,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 20:18:11,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170885000] [2021-07-13 20:18:11,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 20:18:11,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:18:11,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 20:18:11,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2021-07-13 20:18:11,169 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) [2021-07-13 20:18:11,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:18:11,705 INFO L93 Difference]: Finished difference Result 7356 states and 25813 transitions. [2021-07-13 20:18:11,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 20:18:11,705 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 [2021-07-13 20:18:11,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:18:11,748 INFO L225 Difference]: With dead ends: 7356 [2021-07-13 20:18:11,749 INFO L226 Difference]: Without dead ends: 7261 [2021-07-13 20:18:11,749 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 756.0ms TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2021-07-13 20:18:11,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2021-07-13 20:18:11,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 5912. [2021-07-13 20:18:11,904 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) [2021-07-13 20:18:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 21106 transitions. [2021-07-13 20:18:11,994 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 21106 transitions. Word has length 33 [2021-07-13 20:18:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:18:11,995 INFO L482 AbstractCegarLoop]: Abstraction has 5912 states and 21106 transitions. [2021-07-13 20:18:11,995 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) [2021-07-13 20:18:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 21106 transitions. [2021-07-13 20:18:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:18:12,004 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:18:12,004 INFO L508 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] [2021-07-13 20:18:12,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1859,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:18:12,220 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:18:12,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:18:12,221 INFO L82 PathProgramCache]: Analyzing trace with hash -417789994, now seen corresponding path program 23 times [2021-07-13 20:18:12,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:18:12,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144347816] [2021-07-13 20:18:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:18:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:18:12,958 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:18:12,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:18:12,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144347816] [2021-07-13 20:18:12,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144347816] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:18:12,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350866985] [2021-07-13 20:18:12,958 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 [2021-07-13 20:18:13,055 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 20:18:13,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:18:13,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 20:18:13,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:18:13,212 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 [2021-07-13 20:18:13,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:13,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:13,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:18:13,237 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-13 20:18:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:13,289 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 [2021-07-13 20:18:13,290 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:13,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:13,306 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. [2021-07-13 20:18:13,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:64 [2021-07-13 20:18:14,239 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-07-13 20:18:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:14,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:14,989 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:14,989 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 [2021-07-13 20:18:15,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:15,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:15,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:15,077 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 [2021-07-13 20:18:15,098 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-13 20:18:15,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:15,168 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-13 20:18:15,168 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 [2021-07-13 20:18:15,170 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:15,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:15,218 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:18:15,218 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 [2021-07-13 20:18:15,219 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:19,444 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 368 DAG size of output: 346 [2021-07-13 20:18:19,445 INFO L628 ElimStorePlain]: treesize reduction 357, result has 88.8 percent of original size [2021-07-13 20:18:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:19,514 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:19,515 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 [2021-07-13 20:18:19,525 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:19,597 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:18:19,597 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 [2021-07-13 20:18:19,598 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:19,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:19,671 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:19,672 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 [2021-07-13 20:18:19,682 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:19,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:19,742 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:18:19,742 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 [2021-07-13 20:18:19,744 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:22,465 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 363 DAG size of output: 356 [2021-07-13 20:18:22,466 INFO L628 ElimStorePlain]: treesize reduction 112, result has 96.3 percent of original size [2021-07-13 20:18:22,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:22,536 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:22,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:18:22,549 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:22,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:22,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:22,623 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 [2021-07-13 20:18:22,637 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:22,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:22,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:22,711 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:18:22,711 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 [2021-07-13 20:18:22,712 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:22,762 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:18:22,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:18:22,763 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:27,232 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 379 DAG size of output: 365 [2021-07-13 20:18:27,233 INFO L628 ElimStorePlain]: treesize reduction 281, result has 91.1 percent of original size [2021-07-13 20:18:27,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:27,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:27,317 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:27,317 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 [2021-07-13 20:18:27,369 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-07-13 20:18:27,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:27,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:27,456 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:27,456 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 [2021-07-13 20:18:27,477 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2021-07-13 20:18:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:27,563 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-13 20:18:27,564 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 [2021-07-13 20:18:27,565 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:27,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:27,633 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-13 20:18:27,634 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 [2021-07-13 20:18:27,635 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:32,636 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 417 DAG size of output: 384 [2021-07-13 20:18:32,637 INFO L628 ElimStorePlain]: treesize reduction 617, result has 82.6 percent of original size [2021-07-13 20:18:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,691 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:32,691 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 55 [2021-07-13 20:18:32,697 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:32,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,771 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:32,772 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 [2021-07-13 20:18:32,825 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 4 xjuncts. [2021-07-13 20:18:32,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,887 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-07-13 20:18:32,887 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 [2021-07-13 20:18:32,888 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:32,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:32,924 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-13 20:18:32,925 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 [2021-07-13 20:18:32,925 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:35,751 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 390 DAG size of output: 360 [2021-07-13 20:18:35,752 INFO L628 ElimStorePlain]: treesize reduction 271, result has 90.8 percent of original size [2021-07-13 20:18:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:35,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:35,835 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:35,835 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 [2021-07-13 20:18:35,857 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 3 xjuncts. [2021-07-13 20:18:35,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:35,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:35,925 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-13 20:18:35,925 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 [2021-07-13 20:18:35,927 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:35,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:35,974 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-07-13 20:18:35,974 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 [2021-07-13 20:18:35,975 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:36,007 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-13 20:18:36,008 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 [2021-07-13 20:18:36,008 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:39,620 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 349 DAG size of output: 335 [2021-07-13 20:18:39,621 INFO L628 ElimStorePlain]: treesize reduction 145, result has 94.4 percent of original size [2021-07-13 20:18:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:39,709 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:39,709 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 [2021-07-13 20:18:39,727 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2021-07-13 20:18:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:39,803 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:39,803 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 [2021-07-13 20:18:39,819 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:39,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:39,892 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-13 20:18:39,892 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 [2021-07-13 20:18:39,893 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:39,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:39,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:39,965 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:18:39,966 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 48 treesize of output 38 [2021-07-13 20:18:39,967 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:43,741 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 363 DAG size of output: 349 [2021-07-13 20:18:43,742 INFO L628 ElimStorePlain]: treesize reduction 204, result has 92.4 percent of original size [2021-07-13 20:18:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:43,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:43,814 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:43,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:18:43,856 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 5 xjuncts. [2021-07-13 20:18:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:43,930 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:18:43,930 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 [2021-07-13 20:18:43,938 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2021-07-13 20:18:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:43,984 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-07-13 20:18:43,984 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 [2021-07-13 20:18:43,985 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:44,014 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-13 20:18:44,014 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 1 [2021-07-13 20:18:44,014 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:46,202 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 345 DAG size of output: 322 [2021-07-13 20:18:46,203 INFO L628 ElimStorePlain]: treesize reduction 209, result has 91.4 percent of original size [2021-07-13 20:18:46,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:46,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:46,270 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:46,271 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 [2021-07-13 20:18:46,288 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2021-07-13 20:18:46,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:46,373 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-07-13 20:18:46,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:18:46,374 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:46,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:46,444 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:46,444 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 [2021-07-13 20:18:46,457 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:46,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:46,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:46,526 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-07-13 20:18:46,527 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 [2021-07-13 20:18:46,528 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:50,286 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 351 DAG size of output: 339 [2021-07-13 20:18:50,287 INFO L628 ElimStorePlain]: treesize reduction 138, result has 94.3 percent of original size [2021-07-13 20:18:50,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,362 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:50,362 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 [2021-07-13 20:18:50,411 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 4 xjuncts. [2021-07-13 20:18:50,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,502 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-13 20:18:50,503 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 [2021-07-13 20:18:50,511 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:50,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,575 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-07-13 20:18:50,576 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 [2021-07-13 20:18:50,577 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:50,610 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-07-13 20:18:50,610 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 [2021-07-13 20:18:50,611 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:53,742 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 348 DAG size of output: 316 [2021-07-13 20:18:53,742 INFO L628 ElimStorePlain]: treesize reduction 270, result has 88.2 percent of original size [2021-07-13 20:18:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:53,806 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:53,806 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 [2021-07-13 20:18:53,826 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2021-07-13 20:18:53,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:53,900 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-13 20:18:53,900 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 [2021-07-13 20:18:53,902 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:53,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:53,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:53,985 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:53,986 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 [2021-07-13 20:18:54,001 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-07-13 20:18:54,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:54,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:54,066 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-13 20:18:54,066 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 [2021-07-13 20:18:54,068 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:56,117 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 367 DAG size of output: 344 [2021-07-13 20:18:56,118 INFO L628 ElimStorePlain]: treesize reduction 273, result has 88.8 percent of original size [2021-07-13 20:18:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,172 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:56,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:18:56,178 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,253 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:56,254 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 [2021-07-13 20:18:56,308 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2021-07-13 20:18:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,387 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-07-13 20:18:56,387 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 [2021-07-13 20:18:56,398 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:56,430 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-07-13 20:18:56,430 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 [2021-07-13 20:18:56,431 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:58,177 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 345 DAG size of output: 314 [2021-07-13 20:18:58,178 INFO L628 ElimStorePlain]: treesize reduction 378, result has 82.9 percent of original size [2021-07-13 20:18:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,240 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:18:58,241 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 [2021-07-13 20:18:58,370 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 4 xjuncts. [2021-07-13 20:18:58,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,423 INFO L354 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2021-07-13 20:18:58,423 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 [2021-07-13 20:18:58,424 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:58,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,465 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-13 20:18:58,465 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 [2021-07-13 20:18:58,466 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-13 20:18:58,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:18:58,493 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-13 20:18:58,493 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 [2021-07-13 20:18:58,493 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:00,638 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 316 DAG size of output: 277 [2021-07-13 20:19:00,639 INFO L628 ElimStorePlain]: treesize reduction 513, result has 74.3 percent of original size [2021-07-13 20:19:00,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:00,702 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:00,703 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 [2021-07-13 20:19:00,725 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:00,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:00,789 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:19:00,789 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 [2021-07-13 20:19:00,807 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:00,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:00,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:00,874 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-07-13 20:19:00,874 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 [2021-07-13 20:19:00,875 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:00,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:00,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:00,899 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-13 20:19:00,899 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 107 treesize of output 1 [2021-07-13 20:19:00,900 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:02,098 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 266 DAG size of output: 252 [2021-07-13 20:19:02,098 INFO L628 ElimStorePlain]: treesize reduction 124, result has 90.8 percent of original size [2021-07-13 20:19:02,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:02,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:02,157 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:02,158 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 [2021-07-13 20:19:02,174 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:02,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:02,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:02,239 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:02,240 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 [2021-07-13 20:19:02,252 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:02,319 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-13 20:19:02,319 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 [2021-07-13 20:19:02,320 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:02,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:02,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:02,368 INFO L354 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2021-07-13 20:19:02,368 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 [2021-07-13 20:19:02,370 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:03,735 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 295 DAG size of output: 280 [2021-07-13 20:19:03,735 INFO L628 ElimStorePlain]: treesize reduction 181, result has 88.2 percent of original size [2021-07-13 20:19:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:03,797 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:03,798 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 [2021-07-13 20:19:03,942 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 4 xjuncts. [2021-07-13 20:19:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:03,981 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-07-13 20:19:03,981 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 [2021-07-13 20:19:03,981 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:03,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:04,028 INFO L354 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2021-07-13 20:19:04,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:19:04,030 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:04,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:04,055 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-07-13 20:19:04,055 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 [2021-07-13 20:19:04,055 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:05,199 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 295 DAG size of output: 249 [2021-07-13 20:19:05,199 INFO L628 ElimStorePlain]: treesize reduction 599, result has 63.2 percent of original size [2021-07-13 20:19:05,283 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 16 xjuncts. [2021-07-13 20:19:05,284 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 24 variables, input treesize:2689, output treesize:1030 [2021-07-13 20:19:05,659 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 100 [2021-07-13 20:19:06,476 INFO L446 ElimStorePlain]: Different costs {3=[C, v_prenex_376], 5=[v_prenex_375]} [2021-07-13 20:19:06,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:06,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:06,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:06,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:06,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:06,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:06,485 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 [2021-07-13 20:19:06,486 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:06,551 INFO L628 ElimStorePlain]: treesize reduction 42, result has 69.8 percent of original size [2021-07-13 20:19:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:06,554 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 [2021-07-13 20:19:06,556 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:06,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:06,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:06,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:06,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:06,588 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:06,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:06,590 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 [2021-07-13 20:19:06,591 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:06,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:06,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:06,605 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:190, output treesize:5 [2021-07-13 20:19:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:06,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350866985] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:06,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:19:06,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-07-13 20:19:06,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627294990] [2021-07-13 20:19:06,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:19:06,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:19:06,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:19:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=453, Unknown=1, NotChecked=0, Total=552 [2021-07-13 20:19:06,612 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) [2021-07-13 20:19:07,277 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-07-13 20:19:08,252 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-07-13 20:19:08,817 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 78 [2021-07-13 20:19:09,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:19:09,131 INFO L93 Difference]: Finished difference Result 9409 states and 32339 transitions. [2021-07-13 20:19:09,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 20:19:09,131 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 [2021-07-13 20:19:09,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:19:09,152 INFO L225 Difference]: With dead ends: 9409 [2021-07-13 20:19:09,153 INFO L226 Difference]: Without dead ends: 9201 [2021-07-13 20:19:09,153 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 13 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 3747.4ms TimeCoverageRelationStatistics Valid=320, Invalid=1749, Unknown=1, NotChecked=0, Total=2070 [2021-07-13 20:19:09,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9201 states. [2021-07-13 20:19:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9201 to 6206. [2021-07-13 20:19:09,257 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) [2021-07-13 20:19:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6206 states to 6206 states and 22098 transitions. [2021-07-13 20:19:09,274 INFO L78 Accepts]: Start accepts. Automaton has 6206 states and 22098 transitions. Word has length 33 [2021-07-13 20:19:09,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:19:09,274 INFO L482 AbstractCegarLoop]: Abstraction has 6206 states and 22098 transitions. [2021-07-13 20:19:09,274 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) [2021-07-13 20:19:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 6206 states and 22098 transitions. [2021-07-13 20:19:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:19:09,287 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:19:09,287 INFO L508 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] [2021-07-13 20:19:09,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1913,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:19:09,504 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:19:09,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:19:09,504 INFO L82 PathProgramCache]: Analyzing trace with hash -384462942, now seen corresponding path program 24 times [2021-07-13 20:19:09,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:19:09,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358696784] [2021-07-13 20:19:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:19:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:19:09,944 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2021-07-13 20:19:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:10,096 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:19:10,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358696784] [2021-07-13 20:19:10,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358696784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:10,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043113910] [2021-07-13 20:19:10,097 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 [2021-07-13 20:19:10,124 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 20:19:10,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:19:10,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-13 20:19:10,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:19:10,235 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 [2021-07-13 20:19:10,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:10,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:10,246 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:19:10,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,301 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 [2021-07-13 20:19:10,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:10,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,315 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:10,315 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-07-13 20:19:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:10,612 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,633 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:10,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,661 INFO L354 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2021-07-13 20:19:10,661 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 43 [2021-07-13 20:19:10,663 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,684 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:10,687 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,704 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-07-13 20:19:10,705 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 [2021-07-13 20:19:10,705 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:10,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,773 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,774 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 [2021-07-13 20:19:10,777 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:10,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:10,799 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:10,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,819 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:10,822 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:10,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:10,828 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:10,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,844 INFO L354 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2021-07-13 20:19:10,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:10,845 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:10,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,864 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:10,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:10,868 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-07-13 20:19:10,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:10,878 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-07-13 20:19:10,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:10,879 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:11,462 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 61 [2021-07-13 20:19:11,463 INFO L628 ElimStorePlain]: treesize reduction 432, result has 59.9 percent of original size [2021-07-13 20:19:11,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-13 20:19:11,475 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:1017, output treesize:790 [2021-07-13 20:19:11,800 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-13 20:19:13,268 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 29 treesize of output 17 [2021-07-13 20:19:13,269 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:13,288 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 27 treesize of output 17 [2021-07-13 20:19:13,289 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:13,310 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 27 treesize of output 17 [2021-07-13 20:19:13,311 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:13,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:13,332 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:18,230 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 307 DAG size of output: 304 [2021-07-13 20:19:18,231 INFO L628 ElimStorePlain]: treesize reduction 219, result has 94.9 percent of original size [2021-07-13 20:19:18,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:18,252 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:18,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:18,273 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:18,292 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 29 treesize of output 17 [2021-07-13 20:19:18,293 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:18,308 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 29 treesize of output 17 [2021-07-13 20:19:18,309 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:20,671 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 292 [2021-07-13 20:19:20,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:20,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:20,689 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:20,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:20,706 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:20,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:20,723 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:20,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:20,737 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:22,684 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 280 [2021-07-13 20:19:22,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:22,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:22,717 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:22,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:22,730 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,639 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 270 DAG size of output: 235 [2021-07-13 20:19:25,640 INFO L628 ElimStorePlain]: treesize reduction 1048, result has 71.5 percent of original size [2021-07-13 20:19:25,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:25,656 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,669 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 20 treesize of output 10 [2021-07-13 20:19:25,670 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,684 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 29 treesize of output 17 [2021-07-13 20:19:25,685 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:25,696 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:25,711 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,725 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 16 treesize of output 10 [2021-07-13 20:19:25,727 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,746 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:25,747 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:25,756 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:25,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:25,766 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,879 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 221 [2021-07-13 20:19:26,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:26,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:26,896 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:26,908 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:26,923 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:26,933 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:26,949 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:26,963 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:26,978 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:26,988 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:26,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:26,997 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:28,010 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 208 [2021-07-13 20:19:28,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:28,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:28,024 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:28,036 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 20 treesize of output 10 [2021-07-13 20:19:28,037 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:28,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:28,044 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:28,056 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 27 treesize of output 15 [2021-07-13 20:19:28,057 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:28,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:28,064 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:28,375 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 21 [2021-07-13 20:19:28,376 INFO L628 ElimStorePlain]: treesize reduction 1934, result has 2.0 percent of original size [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_394 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_383 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_384 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_385 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_386 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_387 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_388 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_377 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_389 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_378 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee v_prenex_379 vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:19:28,376 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:19:28,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 20:19:28,377 INFO L247 ElimStorePlain]: Needed 38 recursive calls to eliminate 20 variables, input treesize:4409, output treesize:40 [2021-07-13 20:19:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:28,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043113910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:28,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:19:28,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-13 20:19:28,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022941356] [2021-07-13 20:19:28,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 20:19:28,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:19:28,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 20:19:28,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2021-07-13 20:19:28,447 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) [2021-07-13 20:19:28,992 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2021-07-13 20:19:29,866 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2021-07-13 20:19:30,544 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-07-13 20:19:30,944 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-07-13 20:19:31,160 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-13 20:19:31,599 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-07-13 20:19:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:19:31,769 INFO L93 Difference]: Finished difference Result 11457 states and 39557 transitions. [2021-07-13 20:19:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-13 20:19:31,769 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 [2021-07-13 20:19:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:19:31,794 INFO L225 Difference]: With dead ends: 11457 [2021-07-13 20:19:31,794 INFO L226 Difference]: Without dead ends: 11308 [2021-07-13 20:19:31,795 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 3752.8ms TimeCoverageRelationStatistics Valid=521, Invalid=2449, Unknown=0, NotChecked=0, Total=2970 [2021-07-13 20:19:31,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11308 states. [2021-07-13 20:19:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11308 to 6277. [2021-07-13 20:19:31,908 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) [2021-07-13 20:19:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 22358 transitions. [2021-07-13 20:19:31,923 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 22358 transitions. Word has length 33 [2021-07-13 20:19:31,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:19:31,923 INFO L482 AbstractCegarLoop]: Abstraction has 6277 states and 22358 transitions. [2021-07-13 20:19:31,924 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) [2021-07-13 20:19:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 22358 transitions. [2021-07-13 20:19:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:19:31,934 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:19:31,934 INFO L508 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] [2021-07-13 20:19:32,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2540 [2021-07-13 20:19:32,135 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:19:32,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:19:32,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1642775078, now seen corresponding path program 25 times [2021-07-13 20:19:32,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:19:32,136 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455644428] [2021-07-13 20:19:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:19:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:19:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:32,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:19:32,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455644428] [2021-07-13 20:19:32,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455644428] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:32,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278269905] [2021-07-13 20:19:32,567 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 [2021-07-13 20:19:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:19:32,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:19:32,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:19:32,697 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 [2021-07-13 20:19:32,698 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:32,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:32,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:32,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:19:32,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:32,741 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 [2021-07-13 20:19:32,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:32,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:32,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:32,753 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-07-13 20:19:33,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,223 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 48 treesize of output 32 [2021-07-13 20:19:33,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,231 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 50 treesize of output 32 [2021-07-13 20:19:33,232 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,241 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,248 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 39 [2021-07-13 20:19:33,249 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,257 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 50 treesize of output 32 [2021-07-13 20:19:33,258 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,266 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 52 treesize of output 32 [2021-07-13 20:19:33,267 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,275 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,284 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,293 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,307 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 61 treesize of output 39 [2021-07-13 20:19:33,308 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,316 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 61 treesize of output 39 [2021-07-13 20:19:33,317 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,325 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,334 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:33,350 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,359 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 59 treesize of output 39 [2021-07-13 20:19:33,360 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,395 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 57 treesize of output 39 [2021-07-13 20:19:33,396 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,404 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 48 treesize of output 32 [2021-07-13 20:19:33,407 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,428 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,437 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,444 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 57 treesize of output 39 [2021-07-13 20:19:33,445 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,453 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 59 treesize of output 39 [2021-07-13 20:19:33,454 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,463 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,474 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:33,483 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,491 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,500 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,509 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 32 [2021-07-13 20:19:33,510 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,520 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,527 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 59 treesize of output 39 [2021-07-13 20:19:33,528 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,537 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,545 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,552 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,981 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2021-07-13 20:19:33,981 INFO L628 ElimStorePlain]: treesize reduction 952, result has 50.6 percent of original size [2021-07-13 20:19:33,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:33,989 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:33,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:33,995 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 44 treesize of output 26 [2021-07-13 20:19:33,996 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:34,004 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,010 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 59 treesize of output 37 [2021-07-13 20:19:34,011 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:34,019 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,025 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 65 treesize of output 41 [2021-07-13 20:19:34,026 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,033 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 63 treesize of output 39 [2021-07-13 20:19:34,034 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:34,042 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,049 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 61 treesize of output 39 [2021-07-13 20:19:34,050 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,057 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 51 treesize of output 31 [2021-07-13 20:19:34,058 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:34,065 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:34,073 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:34,080 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:34,087 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:34,094 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:34,097 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 63 treesize of output 39 [2021-07-13 20:19:34,098 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,162 INFO L628 ElimStorePlain]: treesize reduction 173, result has 37.8 percent of original size [2021-07-13 20:19:34,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:19:34,163 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 2 variables, input treesize:2625, output treesize:105 [2021-07-13 20:19:34,240 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 [2021-07-13 20:19:34,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,243 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 [2021-07-13 20:19:34,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,254 INFO L628 ElimStorePlain]: treesize reduction 93, result has 5.1 percent of original size [2021-07-13 20:19:34,254 INFO L518 ElimStorePlain]: Eliminatee v_prenex_395 vanished before elimination [2021-07-13 20:19:34,254 INFO L518 ElimStorePlain]: Eliminatee v_prenex_396 vanished before elimination [2021-07-13 20:19:34,254 INFO L518 ElimStorePlain]: Eliminatee v_prenex_397 vanished before elimination [2021-07-13 20:19:34,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:34,255 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:128, output treesize:5 [2021-07-13 20:19:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:34,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278269905] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:34,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:19:34,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-13 20:19:34,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284359107] [2021-07-13 20:19:34,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:19:34,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:19:34,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:19:34,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:19:34,260 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) [2021-07-13 20:19:35,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:19:35,297 INFO L93 Difference]: Finished difference Result 9926 states and 34677 transitions. [2021-07-13 20:19:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 20:19:35,297 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 [2021-07-13 20:19:35,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:19:35,318 INFO L225 Difference]: With dead ends: 9926 [2021-07-13 20:19:35,318 INFO L226 Difference]: Without dead ends: 9783 [2021-07-13 20:19:35,318 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1004.0ms TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2021-07-13 20:19:35,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9783 states. [2021-07-13 20:19:35,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9783 to 6359. [2021-07-13 20:19:35,444 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) [2021-07-13 20:19:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 22636 transitions. [2021-07-13 20:19:35,460 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 22636 transitions. Word has length 33 [2021-07-13 20:19:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:19:35,461 INFO L482 AbstractCegarLoop]: Abstraction has 6359 states and 22636 transitions. [2021-07-13 20:19:35,461 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) [2021-07-13 20:19:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 22636 transitions. [2021-07-13 20:19:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:19:35,471 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:19:35,472 INFO L508 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] [2021-07-13 20:19:35,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3072,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:19:35,674 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:19:35,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:19:35,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1609448026, now seen corresponding path program 26 times [2021-07-13 20:19:35,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:19:35,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734905456] [2021-07-13 20:19:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:19:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:19:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:36,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:19:36,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734905456] [2021-07-13 20:19:36,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734905456] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:36,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654505900] [2021-07-13 20:19:36,354 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 [2021-07-13 20:19:36,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:19:36,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:19:36,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-13 20:19:36,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:19:36,467 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 [2021-07-13 20:19:36,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:36,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,477 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:19:36,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:36,507 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 30 treesize of output 32 [2021-07-13 20:19:36,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:36,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,519 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-07-13 20:19:36,683 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 [2021-07-13 20:19:36,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,689 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 [2021-07-13 20:19:36,690 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,694 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 [2021-07-13 20:19:36,696 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,700 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 [2021-07-13 20:19:36,701 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,705 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 [2021-07-13 20:19:36,705 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,747 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 [2021-07-13 20:19:36,748 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,752 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 [2021-07-13 20:19:36,753 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,756 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 [2021-07-13 20:19:36,757 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,761 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 [2021-07-13 20:19:36,762 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,766 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 35 treesize of output 25 [2021-07-13 20:19:36,767 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:19:36,770 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,773 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 [2021-07-13 20:19:36,774 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:36,950 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-07-13 20:19:36,950 INFO L628 ElimStorePlain]: treesize reduction 138, result has 71.8 percent of original size [2021-07-13 20:19:36,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-13 20:19:36,952 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 1 variables, input treesize:725, output treesize:351 [2021-07-13 20:19:37,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:37,420 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:37,434 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 29 treesize of output 17 [2021-07-13 20:19:37,435 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:37,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:37,450 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:37,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:37,461 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:38,401 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-07-13 20:19:38,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:38,415 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 27 treesize of output 17 [2021-07-13 20:19:38,416 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:38,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:38,431 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:38,444 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 29 treesize of output 17 [2021-07-13 20:19:38,445 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:38,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:38,456 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:39,253 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-13 20:19:39,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:39,266 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 27 treesize of output 15 [2021-07-13 20:19:39,267 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:39,276 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 23 treesize of output 15 [2021-07-13 20:19:39,277 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:40,090 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 166 [2021-07-13 20:19:40,091 INFO L628 ElimStorePlain]: treesize reduction 708, result has 52.6 percent of original size [2021-07-13 20:19:40,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:40,102 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:40,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:40,110 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:40,201 INFO L628 ElimStorePlain]: treesize reduction 734, result has 0.7 percent of original size [2021-07-13 20:19:40,201 INFO L518 ElimStorePlain]: Eliminatee v_prenex_400 vanished before elimination [2021-07-13 20:19:40,201 INFO L518 ElimStorePlain]: Eliminatee v_prenex_401 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_412 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_402 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_413 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_403 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_414 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_404 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_415 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_405 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_406 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_407 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_408 vanished before elimination [2021-07-13 20:19:40,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_409 vanished before elimination [2021-07-13 20:19:40,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 20 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:40,203 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:1801, output treesize:5 [2021-07-13 20:19:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:40,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654505900] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:40,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:19:40,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-07-13 20:19:40,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749994066] [2021-07-13 20:19:40,211 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 20:19:40,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:19:40,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 20:19:40,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2021-07-13 20:19:40,211 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) [2021-07-13 20:19:40,474 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-07-13 20:19:40,835 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2021-07-13 20:19:41,943 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-07-13 20:19:42,388 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-13 20:19:42,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:19:42,830 INFO L93 Difference]: Finished difference Result 11292 states and 39312 transitions. [2021-07-13 20:19:42,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-13 20:19:42,830 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 [2021-07-13 20:19:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:19:42,853 INFO L225 Difference]: With dead ends: 11292 [2021-07-13 20:19:42,854 INFO L226 Difference]: Without dead ends: 10944 [2021-07-13 20:19:42,854 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 2730.4ms TimeCoverageRelationStatistics Valid=509, Invalid=2143, Unknown=0, NotChecked=0, Total=2652 [2021-07-13 20:19:42,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10944 states. [2021-07-13 20:19:42,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10944 to 6647. [2021-07-13 20:19:42,989 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) [2021-07-13 20:19:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6647 states to 6647 states and 23672 transitions. [2021-07-13 20:19:43,005 INFO L78 Accepts]: Start accepts. Automaton has 6647 states and 23672 transitions. Word has length 33 [2021-07-13 20:19:43,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:19:43,005 INFO L482 AbstractCegarLoop]: Abstraction has 6647 states and 23672 transitions. [2021-07-13 20:19:43,005 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) [2021-07-13 20:19:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 6647 states and 23672 transitions. [2021-07-13 20:19:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:19:43,016 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:19:43,016 INFO L508 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] [2021-07-13 20:19:43,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3189,26 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:19:43,224 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:19:43,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:19:43,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1766130978, now seen corresponding path program 27 times [2021-07-13 20:19:43,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:19:43,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762577764] [2021-07-13 20:19:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:19:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:19:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:43,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:19:43,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762577764] [2021-07-13 20:19:43,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762577764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:43,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851316984] [2021-07-13 20:19:43,767 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 [2021-07-13 20:19:43,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 20:19:43,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:19:43,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 20:19:43,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:19:43,881 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 [2021-07-13 20:19:43,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:43,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:43,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:43,891 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:19:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:43,923 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 [2021-07-13 20:19:43,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:43,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:43,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:43,936 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-07-13 20:19:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:44,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:44,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:44,136 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 [2021-07-13 20:19:44,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:44,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:44,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:44,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:44,143 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:44,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:44,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:44,148 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,217 INFO L628 ElimStorePlain]: treesize reduction 38, result has 73.2 percent of original size [2021-07-13 20:19:44,219 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 20:19:44,219 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:194, output treesize:74 [2021-07-13 20:19:44,787 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 27 treesize of output 17 [2021-07-13 20:19:44,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,799 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,808 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,817 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,826 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 29 treesize of output 17 [2021-07-13 20:19:44,827 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,836 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 27 treesize of output 17 [2021-07-13 20:19:44,837 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,846 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,855 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 [2021-07-13 20:19:44,856 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,871 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,881 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,889 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 29 treesize of output 17 [2021-07-13 20:19:44,890 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,899 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,909 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,918 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,927 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:44,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:44,933 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:45,941 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2021-07-13 20:19:45,942 INFO L628 ElimStorePlain]: treesize reduction 104, result has 93.8 percent of original size [2021-07-13 20:19:45,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:45,950 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:45,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:45,959 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:45,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:45,967 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:45,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:45,976 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:45,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:45,984 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:45,991 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 27 treesize of output 17 [2021-07-13 20:19:45,992 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,000 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 29 treesize of output 17 [2021-07-13 20:19:46,000 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:46,008 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:46,016 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:46,024 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,032 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 27 treesize of output 17 [2021-07-13 20:19:46,033 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,040 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 29 treesize of output 17 [2021-07-13 20:19:46,041 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,048 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 27 treesize of output 17 [2021-07-13 20:19:46,049 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,056 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 27 treesize of output 17 [2021-07-13 20:19:46,057 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:46,065 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:46,070 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,334 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-13 20:19:46,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:46,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:46,342 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:46,349 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:46,356 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:46,361 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,424 INFO L628 ElimStorePlain]: treesize reduction 846, result has 0.6 percent of original size [2021-07-13 20:19:46,425 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:19:46,425 INFO L518 ElimStorePlain]: Eliminatee v_prenex_418 vanished before elimination [2021-07-13 20:19:46,425 INFO L518 ElimStorePlain]: Eliminatee v_prenex_419 vanished before elimination [2021-07-13 20:19:46,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:46,425 INFO L247 ElimStorePlain]: Needed 37 recursive calls to eliminate 6 variables, input treesize:2209, output treesize:5 [2021-07-13 20:19:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:46,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851316984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:46,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:19:46,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2021-07-13 20:19:46,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827192137] [2021-07-13 20:19:46,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 20:19:46,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:19:46,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 20:19:46,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2021-07-13 20:19:46,434 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) [2021-07-13 20:19:47,364 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-07-13 20:19:47,684 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2021-07-13 20:19:47,930 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-07-13 20:19:48,083 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-07-13 20:19:48,345 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2021-07-13 20:19:48,569 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-07-13 20:19:48,753 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-07-13 20:19:48,892 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-13 20:19:49,085 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2021-07-13 20:19:49,392 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-07-13 20:19:49,570 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-13 20:19:49,782 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-13 20:19:49,944 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2021-07-13 20:19:50,122 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-07-13 20:19:50,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:19:50,216 INFO L93 Difference]: Finished difference Result 10502 states and 36902 transitions. [2021-07-13 20:19:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-13 20:19:50,216 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 [2021-07-13 20:19:50,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:19:50,237 INFO L225 Difference]: With dead ends: 10502 [2021-07-13 20:19:50,238 INFO L226 Difference]: Without dead ends: 10326 [2021-07-13 20:19:50,238 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 3784.2ms TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2021-07-13 20:19:50,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10326 states. [2021-07-13 20:19:50,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10326 to 6729. [2021-07-13 20:19:50,340 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) [2021-07-13 20:19:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 23973 transitions. [2021-07-13 20:19:50,356 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 23973 transitions. Word has length 33 [2021-07-13 20:19:50,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:19:50,357 INFO L482 AbstractCegarLoop]: Abstraction has 6729 states and 23973 transitions. [2021-07-13 20:19:50,357 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) [2021-07-13 20:19:50,357 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 23973 transitions. [2021-07-13 20:19:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:19:50,368 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:19:50,368 INFO L508 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] [2021-07-13 20:19:50,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3317,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:19:50,595 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:19:50,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:19:50,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1785238692, now seen corresponding path program 28 times [2021-07-13 20:19:50,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:19:50,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793788907] [2021-07-13 20:19:50,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:19:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:19:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:51,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:19:51,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793788907] [2021-07-13 20:19:51,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793788907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:51,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144932955] [2021-07-13 20:19:51,066 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 [2021-07-13 20:19:51,093 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:19:51,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:19:51,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:19:51,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:19:51,175 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 [2021-07-13 20:19:51,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:51,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:19:51,898 INFO L446 ElimStorePlain]: Different costs {1=[v_C_50], 3=[A, B]} [2021-07-13 20:19:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,906 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 [2021-07-13 20:19:51,906 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,914 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 [2021-07-13 20:19:51,915 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,922 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 [2021-07-13 20:19:51,923 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,931 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 [2021-07-13 20:19:51,932 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,940 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 [2021-07-13 20:19:51,941 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,949 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 [2021-07-13 20:19:51,950 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,958 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 [2021-07-13 20:19:51,958 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,967 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 [2021-07-13 20:19:51,967 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,976 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 [2021-07-13 20:19:51,977 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,984 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 [2021-07-13 20:19:51,985 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:51,994 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 [2021-07-13 20:19:51,995 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,004 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 37 treesize of output 35 [2021-07-13 20:19:52,005 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,013 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 [2021-07-13 20:19:52,014 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,022 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 [2021-07-13 20:19:52,023 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,031 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 [2021-07-13 20:19:52,032 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,040 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 [2021-07-13 20:19:52,040 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,049 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 37 treesize of output 35 [2021-07-13 20:19:52,049 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,058 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 [2021-07-13 20:19:52,058 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,066 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 37 treesize of output 35 [2021-07-13 20:19:52,067 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,075 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 [2021-07-13 20:19:52,076 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,085 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 30 treesize of output 32 [2021-07-13 20:19:52,085 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,094 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 [2021-07-13 20:19:52,095 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,103 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 [2021-07-13 20:19:52,104 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,112 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 [2021-07-13 20:19:52,113 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,121 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 [2021-07-13 20:19:52,122 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,130 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 [2021-07-13 20:19:52,131 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,139 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 [2021-07-13 20:19:52,140 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,147 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 37 treesize of output 35 [2021-07-13 20:19:52,148 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,156 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 [2021-07-13 20:19:52,157 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,166 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 [2021-07-13 20:19:52,167 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,177 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 [2021-07-13 20:19:52,177 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:52,185 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 [2021-07-13 20:19:52,192 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,132 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-07-13 20:19:53,132 INFO L628 ElimStorePlain]: treesize reduction 674, result has 74.7 percent of original size [2021-07-13 20:19:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,140 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,148 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 50 treesize of output 32 [2021-07-13 20:19:53,148 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,157 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,165 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 59 treesize of output 39 [2021-07-13 20:19:53,166 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,174 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,182 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 59 treesize of output 39 [2021-07-13 20:19:53,183 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,192 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 61 treesize of output 39 [2021-07-13 20:19:53,193 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,202 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 50 treesize of output 32 [2021-07-13 20:19:53,203 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:53,214 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,222 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 50 treesize of output 32 [2021-07-13 20:19:53,223 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,231 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 52 treesize of output 32 [2021-07-13 20:19:53,232 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,241 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,249 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 63 treesize of output 41 [2021-07-13 20:19:53,250 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,259 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 61 treesize of output 39 [2021-07-13 20:19:53,260 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,270 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,280 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,290 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,299 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,307 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 50 treesize of output 32 [2021-07-13 20:19:53,308 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,317 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 59 treesize of output 39 [2021-07-13 20:19:53,318 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,326 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 52 treesize of output 32 [2021-07-13 20:19:53,327 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:19:53,336 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,346 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,352 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,753 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-07-13 20:19:53,753 INFO L628 ElimStorePlain]: treesize reduction 456, result has 68.2 percent of original size [2021-07-13 20:19:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,761 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,767 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 59 treesize of output 37 [2021-07-13 20:19:53,768 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,776 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,784 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,791 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,799 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,805 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 63 treesize of output 39 [2021-07-13 20:19:53,806 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,826 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 51 treesize of output 31 [2021-07-13 20:19:53,827 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,835 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 61 treesize of output 39 [2021-07-13 20:19:53,836 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,844 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 51 treesize of output 31 [2021-07-13 20:19:53,845 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,853 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 49 treesize of output 31 [2021-07-13 20:19:53,854 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,863 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,870 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 53 treesize of output 31 [2021-07-13 20:19:53,871 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,878 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 65 treesize of output 39 [2021-07-13 20:19:53,879 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:19:53,887 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:53,892 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 52 treesize of output 30 [2021-07-13 20:19:53,893 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:53,977 INFO L628 ElimStorePlain]: treesize reduction 219, result has 26.3 percent of original size [2021-07-13 20:19:53,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 20:19:53,978 INFO L247 ElimStorePlain]: Needed 73 recursive calls to eliminate 3 variables, input treesize:2657, output treesize:78 [2021-07-13 20:19:54,045 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 [2021-07-13 20:19:54,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:54,049 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 15 treesize of output 11 [2021-07-13 20:19:54,050 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:54,059 INFO L628 ElimStorePlain]: treesize reduction 73, result has 6.4 percent of original size [2021-07-13 20:19:54,059 INFO L518 ElimStorePlain]: Eliminatee v_prenex_420 vanished before elimination [2021-07-13 20:19:54,059 INFO L518 ElimStorePlain]: Eliminatee v_prenex_421 vanished before elimination [2021-07-13 20:19:54,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:19:54,059 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-07-13 20:19:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:54,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144932955] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:54,064 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:19:54,064 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-13 20:19:54,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564190817] [2021-07-13 20:19:54,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:19:54,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:19:54,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:19:54,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:19:54,065 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) [2021-07-13 20:19:55,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:19:55,663 INFO L93 Difference]: Finished difference Result 11296 states and 39305 transitions. [2021-07-13 20:19:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-13 20:19:55,663 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 [2021-07-13 20:19:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:19:55,686 INFO L225 Difference]: With dead ends: 11296 [2021-07-13 20:19:55,687 INFO L226 Difference]: Without dead ends: 11146 [2021-07-13 20:19:55,687 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 1537.5ms TimeCoverageRelationStatistics Valid=255, Invalid=1551, Unknown=0, NotChecked=0, Total=1806 [2021-07-13 20:19:55,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11146 states. [2021-07-13 20:19:55,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11146 to 7270. [2021-07-13 20:19:55,813 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) [2021-07-13 20:19:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7270 states to 7270 states and 25965 transitions. [2021-07-13 20:19:55,830 INFO L78 Accepts]: Start accepts. Automaton has 7270 states and 25965 transitions. Word has length 33 [2021-07-13 20:19:55,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:19:55,830 INFO L482 AbstractCegarLoop]: Abstraction has 7270 states and 25965 transitions. [2021-07-13 20:19:55,831 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) [2021-07-13 20:19:55,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7270 states and 25965 transitions. [2021-07-13 20:19:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:19:55,842 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:19:55,842 INFO L508 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] [2021-07-13 20:19:56,055 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3477,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:19:56,055 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:19:56,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:19:56,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1191335548, now seen corresponding path program 29 times [2021-07-13 20:19:56,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:19:56,056 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66334126] [2021-07-13 20:19:56,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:19:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:19:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:19:56,548 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:19:56,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66334126] [2021-07-13 20:19:56,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66334126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:19:56,548 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680180498] [2021-07-13 20:19:56,548 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 [2021-07-13 20:19:56,577 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-13 20:19:56,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:19:56,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:19:56,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:19:56,660 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 [2021-07-13 20:19:56,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:56,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:56,674 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. [2021-07-13 20:19:56,674 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:48 [2021-07-13 20:19:57,176 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-07-13 20:19:57,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:57,281 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 24 treesize of output 26 [2021-07-13 20:19:57,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:57,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:57,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:57,290 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 [2021-07-13 20:19:57,291 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:57,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:57,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:57,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:57,302 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 [2021-07-13 20:19:57,303 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:57,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:57,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:57,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:57,311 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 [2021-07-13 20:19:57,312 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:57,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:57,319 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 [2021-07-13 20:19:57,320 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:57,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:57,327 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 24 treesize of output 26 [2021-07-13 20:19:57,328 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:57,473 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-07-13 20:19:57,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:57,489 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. [2021-07-13 20:19:57,490 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:499, output treesize:495 [2021-07-13 20:19:57,717 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-07-13 20:19:58,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,322 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 [2021-07-13 20:19:58,323 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:19:58,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,371 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 [2021-07-13 20:19:58,372 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:58,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:58,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:58,388 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 [2021-07-13 20:19:58,389 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:59,351 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-07-13 20:19:59,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:19:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:19:59,374 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,395 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 [2021-07-13 20:19:59,396 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:59,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,417 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 [2021-07-13 20:19:59,418 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:19:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:19:59,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:19:59,433 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 [2021-07-13 20:19:59,434 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:00,317 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-07-13 20:20:00,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:00,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,338 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 [2021-07-13 20:20:00,339 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:00,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,360 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 [2021-07-13 20:20:00,361 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:00,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:20:00,383 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:00,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:00,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:00,434 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 [2021-07-13 20:20:00,435 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:01,287 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2021-07-13 20:20:01,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:01,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,309 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 [2021-07-13 20:20:01,310 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:01,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:20:01,330 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:01,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,349 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 [2021-07-13 20:20:01,350 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:01,363 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 [2021-07-13 20:20:01,364 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:02,887 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 224 DAG size of output: 221 [2021-07-13 20:20:02,888 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.8 percent of original size [2021-07-13 20:20:02,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,907 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 [2021-07-13 20:20:02,908 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:02,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,928 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 [2021-07-13 20:20:02,929 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:02,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,947 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 [2021-07-13 20:20:02,948 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:02,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:02,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:02,961 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 [2021-07-13 20:20:02,962 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:04,298 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 204 DAG size of output: 201 [2021-07-13 20:20:04,299 INFO L628 ElimStorePlain]: treesize reduction 39, result has 97.5 percent of original size [2021-07-13 20:20:04,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,317 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 [2021-07-13 20:20:04,318 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,336 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 [2021-07-13 20:20:04,337 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,356 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 [2021-07-13 20:20:04,357 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:04,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:04,378 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 [2021-07-13 20:20:04,379 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:05,055 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-07-13 20:20:05,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:05,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,073 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 [2021-07-13 20:20:05,074 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:05,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:20:05,093 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:05,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,110 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 [2021-07-13 20:20:05,111 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:05,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:05,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:05,124 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 [2021-07-13 20:20:05,125 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:06,178 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2021-07-13 20:20:06,179 INFO L628 ElimStorePlain]: treesize reduction 40, result has 96.9 percent of original size [2021-07-13 20:20:06,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,197 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 [2021-07-13 20:20:06,199 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:06,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,218 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 [2021-07-13 20:20:06,219 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:06,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,238 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 [2021-07-13 20:20:06,239 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:06,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,251 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 [2021-07-13 20:20:06,252 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:06,714 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-07-13 20:20:06,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:06,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,731 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 [2021-07-13 20:20:06,732 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:06,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,769 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 [2021-07-13 20:20:06,770 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:06,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,786 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 [2021-07-13 20:20:06,788 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:06,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:06,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:06,803 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 [2021-07-13 20:20:06,804 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:07,581 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2021-07-13 20:20:07,581 INFO L628 ElimStorePlain]: treesize reduction 39, result has 96.0 percent of original size [2021-07-13 20:20:07,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,598 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 [2021-07-13 20:20:07,599 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:07,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,616 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 [2021-07-13 20:20:07,617 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:07,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,635 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 [2021-07-13 20:20:07,636 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:07,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,647 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 [2021-07-13 20:20:07,648 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:07,972 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-13 20:20:07,973 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:07,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,988 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 [2021-07-13 20:20:07,989 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:07,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:07,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:20:08,005 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:08,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,019 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 42 treesize of output 24 [2021-07-13 20:20:08,020 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:08,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,032 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 [2021-07-13 20:20:08,033 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:08,544 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-07-13 20:20:08,544 INFO L628 ElimStorePlain]: treesize reduction 39, result has 94.4 percent of original size [2021-07-13 20:20:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,567 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 [2021-07-13 20:20:08,568 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:08,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,583 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 [2021-07-13 20:20:08,584 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:08,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,600 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 [2021-07-13 20:20:08,601 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:08,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:08,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:08,612 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 [2021-07-13 20:20:08,613 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:08,956 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-07-13 20:20:08,957 INFO L628 ElimStorePlain]: treesize reduction 39, result has 92.2 percent of original size [2021-07-13 20:20:08,985 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. [2021-07-13 20:20:08,986 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 24 variables, input treesize:2193, output treesize:460 [2021-07-13 20:20:09,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:09,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:09,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:09,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:09,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:09,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:09,553 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 [2021-07-13 20:20:09,553 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:09,657 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2021-07-13 20:20:09,657 INFO L628 ElimStorePlain]: treesize reduction 83, result has 63.1 percent of original size [2021-07-13 20:20:09,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:09,661 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 [2021-07-13 20:20:09,662 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:09,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:09,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:09,705 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 [2021-07-13 20:20:09,706 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:09,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:09,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:09,711 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:09,769 INFO L628 ElimStorePlain]: treesize reduction 17, result has 83.0 percent of original size [2021-07-13 20:20:09,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:09,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:09,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:09,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:09,774 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:09,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:09,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:09,798 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:277, output treesize:5 [2021-07-13 20:20:09,802 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:09,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680180498] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:09,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:20:09,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2021-07-13 20:20:09,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122524133] [2021-07-13 20:20:09,803 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 20:20:09,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:20:09,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 20:20:09,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2021-07-13 20:20:09,803 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) [2021-07-13 20:20:10,756 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2021-07-13 20:20:11,372 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-07-13 20:20:11,998 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2021-07-13 20:20:12,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:20:12,729 INFO L93 Difference]: Finished difference Result 12100 states and 42051 transitions. [2021-07-13 20:20:12,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-13 20:20:12,729 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 [2021-07-13 20:20:12,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:20:12,755 INFO L225 Difference]: With dead ends: 12100 [2021-07-13 20:20:12,756 INFO L226 Difference]: Without dead ends: 11890 [2021-07-13 20:20:12,756 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 3254.6ms TimeCoverageRelationStatistics Valid=352, Invalid=2198, Unknown=0, NotChecked=0, Total=2550 [2021-07-13 20:20:12,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11890 states. [2021-07-13 20:20:12,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11890 to 7550. [2021-07-13 20:20:12,895 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) [2021-07-13 20:20:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7550 states to 7550 states and 26895 transitions. [2021-07-13 20:20:12,916 INFO L78 Accepts]: Start accepts. Automaton has 7550 states and 26895 transitions. Word has length 33 [2021-07-13 20:20:12,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:20:12,916 INFO L482 AbstractCegarLoop]: Abstraction has 7550 states and 26895 transitions. [2021-07-13 20:20:12,916 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) [2021-07-13 20:20:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 7550 states and 26895 transitions. [2021-07-13 20:20:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:20:12,929 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:20:12,929 INFO L508 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] [2021-07-13 20:20:13,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3583 [2021-07-13 20:20:13,137 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:20:13,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:20:13,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1594024776, now seen corresponding path program 30 times [2021-07-13 20:20:13,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:20:13,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312665649] [2021-07-13 20:20:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:20:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:20:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:13,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:20:13,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312665649] [2021-07-13 20:20:13,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312665649] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:13,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606715852] [2021-07-13 20:20:13,711 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 [2021-07-13 20:20:13,741 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 20:20:13,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:20:13,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-13 20:20:13,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:20:13,832 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 [2021-07-13 20:20:13,833 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:13,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:13,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:13,843 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:20:13,996 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 [2021-07-13 20:20:13,997 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,002 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 [2021-07-13 20:20:14,003 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,009 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 [2021-07-13 20:20:14,010 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,016 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 [2021-07-13 20:20:14,017 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,023 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 40 treesize of output 38 [2021-07-13 20:20:14,024 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,030 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 40 treesize of output 38 [2021-07-13 20:20:14,031 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,037 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 [2021-07-13 20:20:14,037 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,042 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 [2021-07-13 20:20:14,043 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,251 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-07-13 20:20:14,251 INFO L628 ElimStorePlain]: treesize reduction 198, result has 65.4 percent of original size [2021-07-13 20:20:14,253 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-13 20:20:14,253 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:577, output treesize:375 [2021-07-13 20:20:14,449 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 [2021-07-13 20:20:14,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,462 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 [2021-07-13 20:20:14,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,882 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-07-13 20:20:14,883 INFO L628 ElimStorePlain]: treesize reduction 132, result has 83.9 percent of original size [2021-07-13 20:20:14,889 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 [2021-07-13 20:20:14,890 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:14,894 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 [2021-07-13 20:20:14,895 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,095 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-13 20:20:15,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:15,100 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 [2021-07-13 20:20:15,102 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,106 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 [2021-07-13 20:20:15,107 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,267 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-13 20:20:15,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:15,276 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 [2021-07-13 20:20:15,280 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,284 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 [2021-07-13 20:20:15,284 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,448 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-13 20:20:15,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:15,452 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 [2021-07-13 20:20:15,453 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,456 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 [2021-07-13 20:20:15,457 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,622 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-07-13 20:20:15,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:15,627 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 [2021-07-13 20:20:15,628 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,631 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 [2021-07-13 20:20:15,632 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:15,753 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-13 20:20:15,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:15,755 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-07-13 20:20:15,755 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:853, output treesize:509 [2021-07-13 20:20:15,913 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-07-13 20:20:16,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:16,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:16,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:16,313 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:16,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:16,333 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:16,347 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 44 treesize of output 28 [2021-07-13 20:20:16,348 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:17,665 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 295 [2021-07-13 20:20:17,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:17,686 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 44 treesize of output 28 [2021-07-13 20:20:17,687 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:17,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:17,708 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:17,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:17,730 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:17,745 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 44 treesize of output 28 [2021-07-13 20:20:17,746 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:20,182 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2021-07-13 20:20:20,183 INFO L628 ElimStorePlain]: treesize reduction 69, result has 97.0 percent of original size [2021-07-13 20:20:20,197 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 15 [2021-07-13 20:20:20,198 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:20,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:20,211 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:21,471 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 271 DAG size of output: 208 [2021-07-13 20:20:21,472 INFO L628 ElimStorePlain]: treesize reduction 1043, result has 52.0 percent of original size [2021-07-13 20:20:21,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:21,482 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:21,610 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 5 [2021-07-13 20:20:21,611 INFO L628 ElimStorePlain]: treesize reduction 1102, result has 0.5 percent of original size [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_482 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_472 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_483 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_473 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_484 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_474 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_485 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_486 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_475 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_487 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_476 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_477 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_466 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_478 vanished before elimination [2021-07-13 20:20:21,611 INFO L518 ElimStorePlain]: Eliminatee v_prenex_467 vanished before elimination [2021-07-13 20:20:21,612 INFO L518 ElimStorePlain]: Eliminatee v_prenex_479 vanished before elimination [2021-07-13 20:20:21,612 INFO L518 ElimStorePlain]: Eliminatee v_prenex_468 vanished before elimination [2021-07-13 20:20:21,612 INFO L518 ElimStorePlain]: Eliminatee v_prenex_469 vanished before elimination [2021-07-13 20:20:21,612 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:20:21,612 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:20:21,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:21,612 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 24 variables, input treesize:2561, output treesize:5 [2021-07-13 20:20:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:21,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606715852] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:21,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:20:21,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-13 20:20:21,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402083598] [2021-07-13 20:20:21,620 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:20:21,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:20:21,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:20:21,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:20:21,621 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) [2021-07-13 20:20:21,837 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-07-13 20:20:22,660 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-07-13 20:20:22,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:20:22,787 INFO L93 Difference]: Finished difference Result 11685 states and 40866 transitions. [2021-07-13 20:20:22,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-13 20:20:22,788 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 [2021-07-13 20:20:22,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:20:22,813 INFO L225 Difference]: With dead ends: 11685 [2021-07-13 20:20:22,813 INFO L226 Difference]: Without dead ends: 11494 [2021-07-13 20:20:22,813 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1586.3ms TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2021-07-13 20:20:22,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11494 states. [2021-07-13 20:20:22,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11494 to 7586. [2021-07-13 20:20:22,938 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) [2021-07-13 20:20:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 27027 transitions. [2021-07-13 20:20:22,959 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 27027 transitions. Word has length 33 [2021-07-13 20:20:22,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:20:22,959 INFO L482 AbstractCegarLoop]: Abstraction has 7586 states and 27027 transitions. [2021-07-13 20:20:22,959 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) [2021-07-13 20:20:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 27027 transitions. [2021-07-13 20:20:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:20:22,972 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:20:22,972 INFO L508 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] [2021-07-13 20:20:23,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3710 [2021-07-13 20:20:23,173 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:20:23,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:20:23,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096704, now seen corresponding path program 31 times [2021-07-13 20:20:23,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:20:23,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119450179] [2021-07-13 20:20:23,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:20:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:20:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:23,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:20:23,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119450179] [2021-07-13 20:20:23,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119450179] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:23,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174391186] [2021-07-13 20:20:23,617 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 [2021-07-13 20:20:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:20:23,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:20:23,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:20:23,728 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 [2021-07-13 20:20:23,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:23,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:23,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:23,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:20:23,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:23,819 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 [2021-07-13 20:20:23,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:23,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:23,824 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 [2021-07-13 20:20:23,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:23,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:23,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 20:20:23,851 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-07-13 20:20:25,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:25,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:25,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:25,152 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:25,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:25,167 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:25,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:25,179 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:26,135 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-07-13 20:20:26,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:26,148 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 55 treesize of output 37 [2021-07-13 20:20:26,149 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:26,162 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 55 treesize of output 37 [2021-07-13 20:20:26,163 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:26,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:26,178 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:26,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:26,189 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:26,879 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 75 [2021-07-13 20:20:26,880 INFO L628 ElimStorePlain]: treesize reduction 1428, result has 30.6 percent of original size [2021-07-13 20:20:26,880 INFO L518 ElimStorePlain]: Eliminatee v_prenex_492 vanished before elimination [2021-07-13 20:20:26,880 INFO L518 ElimStorePlain]: Eliminatee v_prenex_493 vanished before elimination [2021-07-13 20:20:26,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:26,887 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:26,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:26,894 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:26,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:26,901 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:26,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:26,906 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:27,047 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-13 20:20:27,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:27,053 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 57 treesize of output 37 [2021-07-13 20:20:27,054 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:27,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:27,060 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:27,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:27,067 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:27,070 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 [2021-07-13 20:20:27,071 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:27,147 INFO L628 ElimStorePlain]: treesize reduction 382, result has 15.5 percent of original size [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee v_prenex_496 vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee v_prenex_497 vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee v_prenex_498 vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee v_prenex_499 vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee v_prenex_488 vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee v_prenex_489 vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee v_prenex_500 vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee v_prenex_501 vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:20:27,147 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:20:27,148 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 20:20:27,148 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 16 variables, input treesize:2273, output treesize:70 [2021-07-13 20:20:27,216 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 [2021-07-13 20:20:27,217 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:27,219 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 [2021-07-13 20:20:27,220 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:27,227 INFO L628 ElimStorePlain]: treesize reduction 61, result has 7.6 percent of original size [2021-07-13 20:20:27,227 INFO L518 ElimStorePlain]: Eliminatee C vanished before elimination [2021-07-13 20:20:27,227 INFO L518 ElimStorePlain]: Eliminatee v_prenex_502 vanished before elimination [2021-07-13 20:20:27,228 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:27,228 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-07-13 20:20:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:27,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174391186] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:27,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:20:27,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-13 20:20:27,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616222483] [2021-07-13 20:20:27,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:20:27,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:20:27,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:20:27,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:20:27,233 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) [2021-07-13 20:20:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:20:29,613 INFO L93 Difference]: Finished difference Result 12684 states and 44107 transitions. [2021-07-13 20:20:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-13 20:20:29,613 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 [2021-07-13 20:20:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:20:29,640 INFO L225 Difference]: With dead ends: 12684 [2021-07-13 20:20:29,640 INFO L226 Difference]: Without dead ends: 12540 [2021-07-13 20:20:29,641 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 2123.7ms TimeCoverageRelationStatistics Valid=381, Invalid=2271, Unknown=0, NotChecked=0, Total=2652 [2021-07-13 20:20:29,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12540 states. [2021-07-13 20:20:29,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12540 to 8009. [2021-07-13 20:20:29,787 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) [2021-07-13 20:20:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8009 states to 8009 states and 28631 transitions. [2021-07-13 20:20:29,868 INFO L78 Accepts]: Start accepts. Automaton has 8009 states and 28631 transitions. Word has length 33 [2021-07-13 20:20:29,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:20:29,868 INFO L482 AbstractCegarLoop]: Abstraction has 8009 states and 28631 transitions. [2021-07-13 20:20:29,868 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) [2021-07-13 20:20:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 8009 states and 28631 transitions. [2021-07-13 20:20:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:20:29,880 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:20:29,880 INFO L508 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] [2021-07-13 20:20:30,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3816,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:20:30,084 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:20:30,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:20:30,084 INFO L82 PathProgramCache]: Analyzing trace with hash -919407476, now seen corresponding path program 32 times [2021-07-13 20:20:30,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:20:30,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517004870] [2021-07-13 20:20:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:20:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:20:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:30,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:20:30,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517004870] [2021-07-13 20:20:30,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517004870] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:30,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268098712] [2021-07-13 20:20:30,617 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 [2021-07-13 20:20:30,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:20:30,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:20:30,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:20:30,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:20:30,781 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 [2021-07-13 20:20:30,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:30,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:30,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:30,793 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:20:30,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:30,903 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 [2021-07-13 20:20:30,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:30,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:30,908 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 [2021-07-13 20:20:30,909 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:30,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:30,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 20:20:30,936 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:115 [2021-07-13 20:20:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,136 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 44 treesize of output 36 [2021-07-13 20:20:31,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,142 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 [2021-07-13 20:20:31,143 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,148 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 44 treesize of output 36 [2021-07-13 20:20:31,149 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,154 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 44 treesize of output 36 [2021-07-13 20:20:31,155 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,160 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 [2021-07-13 20:20:31,161 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,166 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 44 treesize of output 36 [2021-07-13 20:20:31,166 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,171 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 [2021-07-13 20:20:31,172 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,176 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 34 treesize of output 26 [2021-07-13 20:20:31,177 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,429 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-07-13 20:20:31,429 INFO L628 ElimStorePlain]: treesize reduction 461, result has 55.4 percent of original size [2021-07-13 20:20:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,434 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 [2021-07-13 20:20:31,435 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,453 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 [2021-07-13 20:20:31,454 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:31,457 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 [2021-07-13 20:20:31,458 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:31,655 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-07-13 20:20:31,655 INFO L628 ElimStorePlain]: treesize reduction 45, result has 90.8 percent of original size [2021-07-13 20:20:31,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-13 20:20:31,657 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:1225, output treesize:443 [2021-07-13 20:20:32,370 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 27 treesize of output 17 [2021-07-13 20:20:32,371 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:33,388 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 680 [2021-07-13 20:20:33,389 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:33,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:33,420 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:34,408 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2021-07-13 20:20:34,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:34,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:34,438 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:35,226 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 342 [2021-07-13 20:20:35,227 INFO L628 ElimStorePlain]: treesize reduction 868, result has 51.3 percent of original size [2021-07-13 20:20:35,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:35,241 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:35,538 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2021-07-13 20:20:35,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:35,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:35,551 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:35,597 INFO L628 ElimStorePlain]: treesize reduction 867, result has 0.6 percent of original size [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_520 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_565 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_521 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_566 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_522 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_567 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_523 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_568 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_524 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_558 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_514 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_515 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_559 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_516 vanished before elimination [2021-07-13 20:20:35,597 INFO L518 ElimStorePlain]: Eliminatee v_prenex_517 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_518 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_519 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_550 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_551 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_552 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_553 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_510 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_554 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_555 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_511 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_556 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_512 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_557 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_513 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_547 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_548 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_549 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_505 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_506 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_507 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_508 vanished before elimination [2021-07-13 20:20:35,598 INFO L518 ElimStorePlain]: Eliminatee v_prenex_509 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_580 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_581 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_582 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_540 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_541 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_542 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_543 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_544 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_545 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_546 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_536 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_537 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_538 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_539 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_570 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_571 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_572 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_573 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_530 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_574 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_575 vanished before elimination [2021-07-13 20:20:35,599 INFO L518 ElimStorePlain]: Eliminatee v_prenex_531 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_576 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_532 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_533 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_577 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_534 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_578 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_579 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_535 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_525 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_569 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_526 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_527 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_528 vanished before elimination [2021-07-13 20:20:35,600 INFO L518 ElimStorePlain]: Eliminatee v_prenex_529 vanished before elimination [2021-07-13 20:20:35,600 INFO L550 ElimStorePlain]: Start of recursive call 1: 80 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:35,601 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 80 variables, input treesize:1841, output treesize:5 [2021-07-13 20:20:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:35,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268098712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:35,609 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:20:35,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2021-07-13 20:20:35,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100460899] [2021-07-13 20:20:35,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 20:20:35,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:20:35,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 20:20:35,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-07-13 20:20:35,609 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) [2021-07-13 20:20:36,854 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2021-07-13 20:20:38,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:20:38,318 INFO L93 Difference]: Finished difference Result 13143 states and 45967 transitions. [2021-07-13 20:20:38,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-13 20:20:38,319 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 [2021-07-13 20:20:38,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:20:38,349 INFO L225 Difference]: With dead ends: 13143 [2021-07-13 20:20:38,350 INFO L226 Difference]: Without dead ends: 12925 [2021-07-13 20:20:38,350 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 2732.0ms TimeCoverageRelationStatistics Valid=421, Invalid=2029, Unknown=0, NotChecked=0, Total=2450 [2021-07-13 20:20:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12925 states. [2021-07-13 20:20:38,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12925 to 7909. [2021-07-13 20:20:38,485 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) [2021-07-13 20:20:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7909 states to 7909 states and 28237 transitions. [2021-07-13 20:20:38,504 INFO L78 Accepts]: Start accepts. Automaton has 7909 states and 28237 transitions. Word has length 33 [2021-07-13 20:20:38,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:20:38,504 INFO L482 AbstractCegarLoop]: Abstraction has 7909 states and 28237 transitions. [2021-07-13 20:20:38,504 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) [2021-07-13 20:20:38,504 INFO L276 IsEmpty]: Start isEmpty. Operand 7909 states and 28237 transitions. [2021-07-13 20:20:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:20:38,517 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:20:38,517 INFO L508 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] [2021-07-13 20:20:38,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4117,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:20:38,718 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:20:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:20:38,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1958616328, now seen corresponding path program 33 times [2021-07-13 20:20:38,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:20:38,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559281273] [2021-07-13 20:20:38,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:20:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:20:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:39,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:20:39,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559281273] [2021-07-13 20:20:39,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559281273] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:39,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715740377] [2021-07-13 20:20:39,174 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 [2021-07-13 20:20:39,202 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 20:20:39,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:20:39,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 20:20:39,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:20:39,286 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 [2021-07-13 20:20:39,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:39,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:39,297 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:39,297 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-13 20:20:39,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:39,375 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 [2021-07-13 20:20:39,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:39,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:39,380 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 [2021-07-13 20:20:39,380 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:39,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:39,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 20:20:39,408 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:113 [2021-07-13 20:20:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:39,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:39,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:39,625 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-13 20:20:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:39,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 20:20:39,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:39,631 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:39,726 INFO L628 ElimStorePlain]: treesize reduction 128, result has 54.3 percent of original size [2021-07-13 20:20:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:39,729 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 [2021-07-13 20:20:39,730 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:39,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:39,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 20:20:39,767 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:271, output treesize:156 [2021-07-13 20:20:41,476 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 27 treesize of output 17 [2021-07-13 20:20:41,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,488 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 29 treesize of output 17 [2021-07-13 20:20:41,488 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:41,500 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:41,511 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,521 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 29 treesize of output 17 [2021-07-13 20:20:41,522 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:41,533 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:41,545 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:41,556 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,566 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 27 treesize of output 17 [2021-07-13 20:20:41,567 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,577 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 29 treesize of output 17 [2021-07-13 20:20:41,578 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,588 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 27 treesize of output 17 [2021-07-13 20:20:41,589 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:41,600 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,610 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 29 treesize of output 17 [2021-07-13 20:20:41,611 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:20:41,622 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:41,633 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:41,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:41,641 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:43,622 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-07-13 20:20:43,622 INFO L628 ElimStorePlain]: treesize reduction 148, result has 94.8 percent of original size [2021-07-13 20:20:43,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:43,633 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:43,642 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 15 [2021-07-13 20:20:43,642 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:43,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:43,652 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:43,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:43,660 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,302 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2021-07-13 20:20:44,303 INFO L628 ElimStorePlain]: treesize reduction 1841, result has 29.1 percent of original size [2021-07-13 20:20:44,303 INFO L518 ElimStorePlain]: Eliminatee v_prenex_584 vanished before elimination [2021-07-13 20:20:44,303 INFO L518 ElimStorePlain]: Eliminatee v_prenex_585 vanished before elimination [2021-07-13 20:20:44,308 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 20 treesize of output 10 [2021-07-13 20:20:44,309 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:44,315 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,318 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:44,324 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,327 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:44,333 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,337 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,340 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,343 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,346 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,349 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,352 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,360 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,363 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,366 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,368 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,369 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:44,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:44,412 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,415 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,417 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:20:44,419 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:44,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:44,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 20:20:44,434 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 6 variables, input treesize:3473, output treesize:28 [2021-07-13 20:20:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:44,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715740377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:44,481 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:20:44,481 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-07-13 20:20:44,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133717524] [2021-07-13 20:20:44,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-13 20:20:44,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:20:44,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-13 20:20:44,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2021-07-13 20:20:44,482 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) [2021-07-13 20:20:46,769 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-07-13 20:20:46,941 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-07-13 20:20:47,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:20:47,001 INFO L93 Difference]: Finished difference Result 11809 states and 41370 transitions. [2021-07-13 20:20:47,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-13 20:20:47,002 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 [2021-07-13 20:20:47,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:20:47,030 INFO L225 Difference]: With dead ends: 11809 [2021-07-13 20:20:47,030 INFO L226 Difference]: Without dead ends: 11668 [2021-07-13 20:20:47,031 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2661.9ms TimeCoverageRelationStatistics Valid=365, Invalid=2391, Unknown=0, NotChecked=0, Total=2756 [2021-07-13 20:20:47,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2021-07-13 20:20:47,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 7941. [2021-07-13 20:20:47,172 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) [2021-07-13 20:20:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 28321 transitions. [2021-07-13 20:20:47,193 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 28321 transitions. Word has length 33 [2021-07-13 20:20:47,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:20:47,193 INFO L482 AbstractCegarLoop]: Abstraction has 7941 states and 28321 transitions. [2021-07-13 20:20:47,193 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) [2021-07-13 20:20:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 28321 transitions. [2021-07-13 20:20:47,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-13 20:20:47,206 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:20:47,206 INFO L508 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] [2021-07-13 20:20:47,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4147 [2021-07-13 20:20:47,407 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:20:47,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:20:47,407 INFO L82 PathProgramCache]: Analyzing trace with hash -617777642, now seen corresponding path program 34 times [2021-07-13 20:20:47,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:20:47,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36873070] [2021-07-13 20:20:47,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:20:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:20:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:47,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:20:47,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36873070] [2021-07-13 20:20:47,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36873070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:47,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186179630] [2021-07-13 20:20:47,750 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 [2021-07-13 20:20:47,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:20:47,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:20:47,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 20:20:47,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:20:47,847 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 [2021-07-13 20:20:47,847 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:47,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:47,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:47,857 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:48 [2021-07-13 20:20:47,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:47,933 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 [2021-07-13 20:20:47,934 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:47,938 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 [2021-07-13 20:20:47,939 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:47,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:47,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-13 20:20:47,965 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:113, output treesize:113 [2021-07-13 20:20:48,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:48,032 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 [2021-07-13 20:20:48,033 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:48,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:48,036 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 [2021-07-13 20:20:48,037 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:48,082 INFO L628 ElimStorePlain]: treesize reduction 77, result has 56.0 percent of original size [2021-07-13 20:20:48,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:20:48,085 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 [2021-07-13 20:20:48,086 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:48,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:48,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 20:20:48,103 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:219, output treesize:74 [2021-07-13 20:20:49,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:49,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:49,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:49,720 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:49,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:49,744 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:49,757 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 27 treesize of output 17 [2021-07-13 20:20:49,759 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:52,217 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 287 DAG size of output: 284 [2021-07-13 20:20:52,218 INFO L628 ElimStorePlain]: treesize reduction 50, result has 97.7 percent of original size [2021-07-13 20:20:52,249 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 27 treesize of output 17 [2021-07-13 20:20:52,250 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:52,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:52,270 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:52,288 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 27 treesize of output 17 [2021-07-13 20:20:52,289 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:52,303 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 17 [2021-07-13 20:20:52,304 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:53,375 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 273 [2021-07-13 20:20:53,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:20:53,390 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 25 treesize of output 15 [2021-07-13 20:20:53,391 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:53,402 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 25 treesize of output 15 [2021-07-13 20:20:53,403 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:55,354 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-13 20:20:55,354 INFO L628 ElimStorePlain]: treesize reduction 140, result has 92.7 percent of original size [2021-07-13 20:20:55,370 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 29 treesize of output 17 [2021-07-13 20:20:55,371 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:55,386 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 29 treesize of output 17 [2021-07-13 20:20:55,387 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:55,398 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 29 treesize of output 17 [2021-07-13 20:20:55,399 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:57,128 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2021-07-13 20:20:57,129 INFO L628 ElimStorePlain]: treesize reduction 25, result has 98.5 percent of original size [2021-07-13 20:20:57,142 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 25 treesize of output 15 [2021-07-13 20:20:57,143 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:57,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select 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 [2021-07-13 20:20:57,154 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:20:57,494 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 5 [2021-07-13 20:20:57,494 INFO L628 ElimStorePlain]: treesize reduction 1640, result has 0.3 percent of original size [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_595 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_596 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_597 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_598 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_610 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_599 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_600 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_589 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_601 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_602 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_603 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_604 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_605 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_606 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_607 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_608 vanished before elimination [2021-07-13 20:20:57,495 INFO L518 ElimStorePlain]: Eliminatee v_prenex_609 vanished before elimination [2021-07-13 20:20:57,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 24 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 20:20:57,496 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 24 variables, input treesize:2209, output treesize:5 [2021-07-13 20:20:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:20:57,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186179630] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:57,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:20:57,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-07-13 20:20:57,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034740496] [2021-07-13 20:20:57,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 20:20:57,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:20:57,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 20:20:57,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-07-13 20:20:57,504 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) [2021-07-13 20:20:57,767 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-13 20:20:59,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:20:59,444 INFO L93 Difference]: Finished difference Result 13846 states and 47410 transitions. [2021-07-13 20:20:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-13 20:20:59,444 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 [2021-07-13 20:20:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:20:59,477 INFO L225 Difference]: With dead ends: 13846 [2021-07-13 20:20:59,477 INFO L226 Difference]: Without dead ends: 13580 [2021-07-13 20:20:59,477 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 1831.7ms TimeCoverageRelationStatistics Valid=413, Invalid=1749, Unknown=0, NotChecked=0, Total=2162 [2021-07-13 20:20:59,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2021-07-13 20:20:59,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 7897. [2021-07-13 20:20:59,642 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) [2021-07-13 20:20:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7897 states to 7897 states and 28199 transitions. [2021-07-13 20:20:59,661 INFO L78 Accepts]: Start accepts. Automaton has 7897 states and 28199 transitions. Word has length 33 [2021-07-13 20:20:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:20:59,661 INFO L482 AbstractCegarLoop]: Abstraction has 7897 states and 28199 transitions. [2021-07-13 20:20:59,661 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) [2021-07-13 20:20:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 7897 states and 28199 transitions. [2021-07-13 20:20:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:20:59,674 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:20:59,674 INFO L508 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] [2021-07-13 20:20:59,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4721,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:20:59,875 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:20:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:20:59,875 INFO L82 PathProgramCache]: Analyzing trace with hash -302436886, now seen corresponding path program 35 times [2021-07-13 20:20:59,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:20:59,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707427956] [2021-07-13 20:20:59,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:20:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:20:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 20:20:59,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:20:59,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707427956] [2021-07-13 20:20:59,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707427956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:59,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107818947] [2021-07-13 20:20:59,900 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 [2021-07-13 20:20:59,931 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 20:20:59,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:20:59,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:20:59,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:20:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 20:20:59,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107818947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:20:59,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:20:59,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-13 20:20:59,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769803062] [2021-07-13 20:20:59,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 20:20:59,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:20:59,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 20:20:59,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-13 20:20:59,976 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) [2021-07-13 20:21:00,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:21:00,125 INFO L93 Difference]: Finished difference Result 12284 states and 42934 transitions. [2021-07-13 20:21:00,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 20:21:00,126 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 [2021-07-13 20:21:00,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:21:00,157 INFO L225 Difference]: With dead ends: 12284 [2021-07-13 20:21:00,157 INFO L226 Difference]: Without dead ends: 12248 [2021-07-13 20:21:00,158 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 43.5ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-07-13 20:21:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12248 states. [2021-07-13 20:21:00,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12248 to 10329. [2021-07-13 20:21:00,406 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) [2021-07-13 20:21:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10329 states to 10329 states and 37408 transitions. [2021-07-13 20:21:00,434 INFO L78 Accepts]: Start accepts. Automaton has 10329 states and 37408 transitions. Word has length 35 [2021-07-13 20:21:00,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:21:00,434 INFO L482 AbstractCegarLoop]: Abstraction has 10329 states and 37408 transitions. [2021-07-13 20:21:00,434 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) [2021-07-13 20:21:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 10329 states and 37408 transitions. [2021-07-13 20:21:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:21:00,451 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:21:00,451 INFO L508 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] [2021-07-13 20:21:00,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5156 [2021-07-13 20:21:00,652 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:21:00,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:21:00,652 INFO L82 PathProgramCache]: Analyzing trace with hash 612932962, now seen corresponding path program 36 times [2021-07-13 20:21:00,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:21:00,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875478444] [2021-07-13 20:21:00,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:21:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:21:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 20:21:00,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:21:00,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875478444] [2021-07-13 20:21:00,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875478444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:21:00,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883770784] [2021-07-13 20:21:00,669 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 [2021-07-13 20:21:00,703 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 20:21:00,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:21:00,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:21:00,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:21:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 20:21:00,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883770784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:21:00,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:21:00,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-13 20:21:00,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427116424] [2021-07-13 20:21:00,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 20:21:00,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:21:00,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 20:21:00,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-13 20:21:00,738 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) [2021-07-13 20:21:00,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:21:00,839 INFO L93 Difference]: Finished difference Result 11882 states and 41775 transitions. [2021-07-13 20:21:00,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 20:21:00,839 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 [2021-07-13 20:21:00,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:21:00,867 INFO L225 Difference]: With dead ends: 11882 [2021-07-13 20:21:00,867 INFO L226 Difference]: Without dead ends: 11882 [2021-07-13 20:21:00,867 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-07-13 20:21:00,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11882 states. [2021-07-13 20:21:01,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11882 to 9465. [2021-07-13 20:21:01,045 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) [2021-07-13 20:21:01,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9465 states to 9465 states and 33942 transitions. [2021-07-13 20:21:01,070 INFO L78 Accepts]: Start accepts. Automaton has 9465 states and 33942 transitions. Word has length 35 [2021-07-13 20:21:01,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:21:01,070 INFO L482 AbstractCegarLoop]: Abstraction has 9465 states and 33942 transitions. [2021-07-13 20:21:01,070 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) [2021-07-13 20:21:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 9465 states and 33942 transitions. [2021-07-13 20:21:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:21:01,085 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:21:01,085 INFO L508 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] [2021-07-13 20:21:01,285 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5157 [2021-07-13 20:21:01,286 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:21:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:21:01,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1946736312, now seen corresponding path program 37 times [2021-07-13 20:21:01,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:21:01,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358094495] [2021-07-13 20:21:01,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:21:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:21:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:21:01,312 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:21:01,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358094495] [2021-07-13 20:21:01,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358094495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:21:01,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814303303] [2021-07-13 20:21:01,312 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 [2021-07-13 20:21:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:21:01,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:21:01,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:21:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:21:01,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814303303] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:21:01,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:21:01,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-13 20:21:01,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099394182] [2021-07-13 20:21:01,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 20:21:01,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:21:01,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 20:21:01,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-13 20:21:01,375 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) [2021-07-13 20:21:01,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:21:01,494 INFO L93 Difference]: Finished difference Result 13818 states and 48445 transitions. [2021-07-13 20:21:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 20:21:01,495 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 [2021-07-13 20:21:01,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:21:01,532 INFO L225 Difference]: With dead ends: 13818 [2021-07-13 20:21:01,532 INFO L226 Difference]: Without dead ends: 13785 [2021-07-13 20:21:01,532 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 20.7ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-07-13 20:21:01,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13785 states. [2021-07-13 20:21:01,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13785 to 11062. [2021-07-13 20:21:01,859 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) [2021-07-13 20:21:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 40395 transitions. [2021-07-13 20:21:01,888 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 40395 transitions. Word has length 35 [2021-07-13 20:21:01,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:21:01,888 INFO L482 AbstractCegarLoop]: Abstraction has 11062 states and 40395 transitions. [2021-07-13 20:21:01,888 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) [2021-07-13 20:21:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 40395 transitions. [2021-07-13 20:21:01,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:21:01,905 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:21:01,906 INFO L508 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] [2021-07-13 20:21:02,106 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5158,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:21:02,106 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:21:02,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:21:02,106 INFO L82 PathProgramCache]: Analyzing trace with hash 698919468, now seen corresponding path program 38 times [2021-07-13 20:21:02,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:21:02,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117575511] [2021-07-13 20:21:02,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:21:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:21:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:21:02,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:21:02,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117575511] [2021-07-13 20:21:02,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117575511] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:21:02,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077542818] [2021-07-13 20:21:02,122 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 [2021-07-13 20:21:02,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:21:02,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:21:02,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:21:02,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:21:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:21:02,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077542818] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:21:02,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:21:02,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-13 20:21:02,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253099676] [2021-07-13 20:21:02,214 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 20:21:02,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:21:02,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 20:21:02,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-13 20:21:02,214 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) [2021-07-13 20:21:02,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:21:02,326 INFO L93 Difference]: Finished difference Result 14568 states and 51142 transitions. [2021-07-13 20:21:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 20:21:02,326 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 [2021-07-13 20:21:02,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:21:02,362 INFO L225 Difference]: With dead ends: 14568 [2021-07-13 20:21:02,362 INFO L226 Difference]: Without dead ends: 14568 [2021-07-13 20:21:02,362 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 21.6ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-07-13 20:21:02,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14568 states. [2021-07-13 20:21:02,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14568 to 11105. [2021-07-13 20:21:02,573 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) [2021-07-13 20:21:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11105 states to 11105 states and 40522 transitions. [2021-07-13 20:21:02,602 INFO L78 Accepts]: Start accepts. Automaton has 11105 states and 40522 transitions. Word has length 35 [2021-07-13 20:21:02,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:21:02,603 INFO L482 AbstractCegarLoop]: Abstraction has 11105 states and 40522 transitions. [2021-07-13 20:21:02,603 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) [2021-07-13 20:21:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 11105 states and 40522 transitions. [2021-07-13 20:21:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:21:02,620 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:21:02,620 INFO L508 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] [2021-07-13 20:21:02,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5159,38 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:21:02,821 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:21:02,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:21:02,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1570214760, now seen corresponding path program 39 times [2021-07-13 20:21:02,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:21:02,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851126445] [2021-07-13 20:21:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:21:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:21:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 20:21:02,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:21:02,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851126445] [2021-07-13 20:21:02,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851126445] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:21:02,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879768456] [2021-07-13 20:21:02,839 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 [2021-07-13 20:21:02,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 20:21:02,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:21:02,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-13 20:21:02,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:21:03,003 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 [2021-07-13 20:21:03,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:03,008 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 [2021-07-13 20:21:03,009 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:03,013 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 [2021-07-13 20:21:03,014 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:03,018 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 [2021-07-13 20:21:03,018 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:03,087 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:03,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-13 20:21:03,088 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:245, output treesize:241 [2021-07-13 20:21:03,418 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-07-13 20:21:04,123 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-13 20:21:04,974 INFO L446 ElimStorePlain]: Different costs {1=[v_C_64], 190=[A, B]} [2021-07-13 20:21:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:04,990 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 [2021-07-13 20:21:04,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,007 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 [2021-07-13 20:21:05,008 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,023 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 [2021-07-13 20:21:05,024 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,039 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 [2021-07-13 20:21:05,040 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,056 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 30 treesize of output 32 [2021-07-13 20:21:05,057 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,073 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 [2021-07-13 20:21:05,074 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,090 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 [2021-07-13 20:21:05,091 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,107 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 [2021-07-13 20:21:05,108 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,123 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 [2021-07-13 20:21:05,124 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,141 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 [2021-07-13 20:21:05,142 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,158 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 [2021-07-13 20:21:05,158 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,175 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 [2021-07-13 20:21:05,175 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,192 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 [2021-07-13 20:21:05,193 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,210 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 [2021-07-13 20:21:05,210 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,227 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 [2021-07-13 20:21:05,228 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,242 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 [2021-07-13 20:21:05,243 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,763 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-07-13 20:21:05,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,821 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:05,821 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 [2021-07-13 20:21:05,862 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:05,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,928 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:05,928 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 [2021-07-13 20:21:05,938 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:05,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:05,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:21:06,016 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,085 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,086 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 [2021-07-13 20:21:06,141 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:06,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,217 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,218 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 [2021-07-13 20:21:06,261 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:06,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,336 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,336 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 [2021-07-13 20:21:06,390 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:06,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,472 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,473 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 [2021-07-13 20:21:06,537 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,620 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,621 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 [2021-07-13 20:21:06,680 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:06,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,762 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,763 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 [2021-07-13 20:21:06,780 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,865 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,866 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 [2021-07-13 20:21:06,886 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:06,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:06,973 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:06,974 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 [2021-07-13 20:21:07,032 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:07,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,121 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:07,121 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 [2021-07-13 20:21:07,132 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:07,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,219 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:07,219 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 [2021-07-13 20:21:07,274 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,370 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:07,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:21:07,393 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:07,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,485 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:07,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:21:07,554 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:07,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:07,643 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:07,644 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 [2021-07-13 20:21:07,653 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:21:12,550 WARN L205 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 648 DAG size of output: 443 [2021-07-13 20:21:12,551 INFO L628 ElimStorePlain]: treesize reduction 4722, result has 47.7 percent of original size [2021-07-13 20:21:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:12,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:12,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:12,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:12,621 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 [2021-07-13 20:21:13,139 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 4 xjuncts. [2021-07-13 20:21:13,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:13,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:13,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:13,229 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:13,229 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 [2021-07-13 20:21:13,526 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 241 [2021-07-13 20:21:13,885 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 6 xjuncts. [2021-07-13 20:21:13,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:13,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:13,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:13,979 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:13,979 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 [2021-07-13 20:21:14,855 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 5 xjuncts. [2021-07-13 20:21:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:14,965 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:14,965 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 [2021-07-13 20:21:15,494 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 5 xjuncts. [2021-07-13 20:21:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:15,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:15,614 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:15,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:21:16,475 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-07-13 20:21:16,592 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 383 [2021-07-13 20:21:16,723 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 387 [2021-07-13 20:21:17,213 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-07-13 20:21:17,333 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-07-13 20:21:17,455 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 411 [2021-07-13 20:21:17,480 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2021-07-13 20:21:17,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:17,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:17,615 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:17,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-07-13 20:21:18,220 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-07-13 20:21:18,337 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 312 [2021-07-13 20:21:18,470 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 315 [2021-07-13 20:21:19,690 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-07-13 20:21:19,882 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-07-13 20:21:20,082 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 480 [2021-07-13 20:21:20,111 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 6 xjuncts. [2021-07-13 20:21:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:20,257 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:20,258 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 [2021-07-13 20:21:20,993 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 477 [2021-07-13 20:21:21,645 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-07-13 20:21:21,784 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-07-13 20:21:21,925 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 479 [2021-07-13 20:21:21,954 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 3 xjuncts. [2021-07-13 20:21:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:22,132 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:22,132 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 [2021-07-13 20:21:22,642 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-07-13 20:21:22,776 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-07-13 20:21:22,896 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2021-07-13 20:21:23,724 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 231 [2021-07-13 20:21:24,358 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-07-13 20:21:24,565 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-07-13 20:21:24,770 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 429 [2021-07-13 20:21:24,801 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 5 xjuncts. [2021-07-13 20:21:24,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:24,981 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:24,982 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 [2021-07-13 20:21:25,493 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 4 xjuncts. [2021-07-13 20:21:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:25,683 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:25,684 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 [2021-07-13 20:21:26,118 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 5 xjuncts. [2021-07-13 20:21:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:26,302 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:26,303 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 [2021-07-13 20:21:26,806 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:26,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:27,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:27,017 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 [2021-07-13 20:21:28,337 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-07-13 20:21:28,461 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-07-13 20:21:28,586 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2021-07-13 20:21:28,609 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 5 xjuncts. [2021-07-13 20:21:28,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:28,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:28,825 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:28,826 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 [2021-07-13 20:21:29,472 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 4 xjuncts. [2021-07-13 20:21:29,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:29,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:29,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:29,703 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-07-13 20:21:29,704 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:29,704 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 [2021-07-13 20:21:31,036 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-07-13 20:21:31,164 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-07-13 20:21:31,285 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2021-07-13 20:21:31,305 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 4 xjuncts. [2021-07-13 20:21:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:31,526 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:31,526 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 [2021-07-13 20:21:32,022 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2021-07-13 20:21:32,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:32,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:32,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:21:32,221 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:21:32,222 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 [2021-07-13 20:21:33,228 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-07-13 20:21:33,375 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 463 [2021-07-13 20:21:33,539 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 467 [2021-07-13 20:21:34,277 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-07-13 20:21:34,397 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-07-13 20:21:34,511 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 416 [2021-07-13 20:21:34,541 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 7 xjuncts. [2021-07-13 20:21:56,467 WARN L205 SmtUtils]: Spent 21.92 s on a formula simplification. DAG size of input: 3688 DAG size of output: 498 [2021-07-13 20:21:56,469 INFO L628 ElimStorePlain]: treesize reduction 70453, result has 4.6 percent of original size [2021-07-13 20:21:57,417 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. [2021-07-13 20:21:57,417 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 20 variables, input treesize:1537, output treesize:4101 [2021-07-13 20:21:58,916 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 788 DAG size of output: 203 [2021-07-13 20:21:59,653 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 116 [2021-07-13 20:22:00,708 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 173 [2021-07-13 20:22:01,219 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2021-07-13 20:22:01,765 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]} [2021-07-13 20:22:01,776 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 [2021-07-13 20:22:01,777 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:02,771 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 184 [2021-07-13 20:22:02,772 INFO L628 ElimStorePlain]: treesize reduction 262, result has 76.7 percent of original size [2021-07-13 20:22:02,780 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 [2021-07-13 20:22:02,781 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:03,541 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-07-13 20:22:03,541 INFO L628 ElimStorePlain]: treesize reduction 78, result has 90.9 percent of original size [2021-07-13 20:22:03,542 INFO L518 ElimStorePlain]: Eliminatee v_prenex_700 vanished before elimination [2021-07-13 20:22:03,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:03,559 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 [2021-07-13 20:22:03,562 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-13 20:22:03,574 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 [2021-07-13 20:22:03,576 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:04,305 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2021-07-13 20:22:04,306 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-07-13 20:22:04,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:04,316 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 [2021-07-13 20:22:04,317 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:04,323 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:22:04,323 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:04,656 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-07-13 20:22:04,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:04,656 INFO L518 ElimStorePlain]: Eliminatee v_prenex_709 vanished before elimination [2021-07-13 20:22:04,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:04,666 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 [2021-07-13 20:22:04,667 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:04,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:22:04,674 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:04,988 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-07-13 20:22:04,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:04,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:04,999 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 [2021-07-13 20:22:05,000 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:05,025 INFO L354 Elim1Store]: treesize reduction 8, result has 57.9 percent of original size [2021-07-13 20:22:05,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:22:05,027 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:05,305 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-13 20:22:05,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:05,315 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 [2021-07-13 20:22:05,316 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:05,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-13 20:22:05,322 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:05,589 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-07-13 20:22:05,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:05,614 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:05,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:22:05,621 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2021-07-13 20:22:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:05,630 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 [2021-07-13 20:22:05,630 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:06,128 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-07-13 20:22:06,129 INFO L628 ElimStorePlain]: treesize reduction 20, result has 96.6 percent of original size [2021-07-13 20:22:06,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:06,147 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:06,147 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 1 case distinctions, treesize of input 20 treesize of output 20 [2021-07-13 20:22:06,150 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-07-13 20:22:06,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:06,158 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 [2021-07-13 20:22:06,159 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:06,603 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-07-13 20:22:06,604 INFO L628 ElimStorePlain]: treesize reduction 6, result has 98.9 percent of original size [2021-07-13 20:22:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:06,625 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:06,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:22:06,631 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2021-07-13 20:22:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:06,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:06,645 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:06,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:22:06,648 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2021-07-13 20:22:07,083 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2021-07-13 20:22:07,083 INFO L628 ElimStorePlain]: treesize reduction 13, result has 97.5 percent of original size [2021-07-13 20:22:07,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:07,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:07,101 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:07,101 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 [2021-07-13 20:22:07,104 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:07,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:07,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:07,137 INFO L354 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2021-07-13 20:22:07,137 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 [2021-07-13 20:22:07,141 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:07,343 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-07-13 20:22:07,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:07,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:07,365 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:07,366 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 [2021-07-13 20:22:07,373 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2021-07-13 20:22:07,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:07,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:22:07,390 INFO L354 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2021-07-13 20:22:07,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-07-13 20:22:07,391 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:22:07,582 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-13 20:22:07,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:22:07,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 14 dim-1 vars, End of recursive call: and 14 xjuncts. [2021-07-13 20:22:07,599 INFO L247 ElimStorePlain]: Needed 23 recursive calls to eliminate 25 variables, input treesize:1131, output treesize:240 [2021-07-13 20:22:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:22:07,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879768456] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:22:07,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:22:07,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 16] total 21 [2021-07-13 20:22:07,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496014985] [2021-07-13 20:22:07,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-13 20:22:07,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:22:07,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-13 20:22:07,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-07-13 20:22:07,736 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) [2021-07-13 20:22:08,869 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-07-13 20:22:10,389 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2021-07-13 20:22:10,626 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-07-13 20:22:12,281 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2021-07-13 20:22:12,821 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-07-13 20:22:13,065 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-07-13 20:22:14,198 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2021-07-13 20:22:14,862 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-07-13 20:22:15,339 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-07-13 20:22:16,110 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-07-13 20:22:18,692 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 300 DAG size of output: 191 [2021-07-13 20:22:19,984 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2021-07-13 20:22:20,405 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-07-13 20:22:21,059 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2021-07-13 20:22:21,728 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-07-13 20:22:22,847 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 263 [2021-07-13 20:22:23,859 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2021-07-13 20:22:24,907 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-07-13 20:22:25,561 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-07-13 20:22:26,243 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 234 [2021-07-13 20:22:26,650 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-07-13 20:22:27,519 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2021-07-13 20:22:28,385 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2021-07-13 20:22:29,319 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2021-07-13 20:22:31,531 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 330 DAG size of output: 324 [2021-07-13 20:22:34,264 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 301 DAG size of output: 192 [2021-07-13 20:22:34,766 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 141 [2021-07-13 20:22:35,564 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2021-07-13 20:22:36,545 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2021-07-13 20:22:39,256 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 367 DAG size of output: 226 [2021-07-13 20:22:40,417 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2021-07-13 20:22:43,061 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 330 DAG size of output: 326 [2021-07-13 20:22:45,970 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 301 DAG size of output: 194 [2021-07-13 20:22:48,087 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 328 DAG size of output: 322 [2021-07-13 20:22:48,610 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-13 20:22:49,044 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-13 20:22:51,907 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 299 DAG size of output: 190 [2021-07-13 20:22:54,345 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 328 DAG size of output: 324 [2021-07-13 20:22:54,830 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-13 20:22:55,123 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-13 20:22:57,686 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 368 DAG size of output: 227 [2021-07-13 20:23:00,654 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 299 DAG size of output: 192 [2021-07-13 20:23:01,074 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-13 20:23:04,031 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 368 DAG size of output: 229 [2021-07-13 20:23:04,345 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-07-13 20:23:04,779 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-13 20:23:05,086 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-07-13 20:23:07,006 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 242 DAG size of output: 226 [2021-07-13 20:23:07,369 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-13 20:23:09,593 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 366 DAG size of output: 225 [2021-07-13 20:23:11,598 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2021-07-13 20:23:14,212 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 366 DAG size of output: 227 [2021-07-13 20:23:14,639 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-07-13 20:23:15,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:15,244 INFO L93 Difference]: Finished difference Result 21822 states and 74959 transitions. [2021-07-13 20:23:15,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-13 20:23:15,244 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 [2021-07-13 20:23:15,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:15,298 INFO L225 Difference]: With dead ends: 21822 [2021-07-13 20:23:15,298 INFO L226 Difference]: Without dead ends: 21590 [2021-07-13 20:23:15,300 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 14 SyntacticMatches, 7 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4587 ImplicationChecksByTransitivity, 66242.6ms TimeCoverageRelationStatistics Valid=2020, Invalid=10190, Unknown=0, NotChecked=0, Total=12210 [2021-07-13 20:23:15,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21590 states. [2021-07-13 20:23:15,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21590 to 10647. [2021-07-13 20:23:15,578 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) [2021-07-13 20:23:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10647 states to 10647 states and 38670 transitions. [2021-07-13 20:23:15,606 INFO L78 Accepts]: Start accepts. Automaton has 10647 states and 38670 transitions. Word has length 35 [2021-07-13 20:23:15,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:15,606 INFO L482 AbstractCegarLoop]: Abstraction has 10647 states and 38670 transitions. [2021-07-13 20:23:15,606 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) [2021-07-13 20:23:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 10647 states and 38670 transitions. [2021-07-13 20:23:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:23:15,623 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:15,623 INFO L508 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] [2021-07-13 20:23:15,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5160,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:23:15,838 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:15,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:15,838 INFO L82 PathProgramCache]: Analyzing trace with hash 816089412, now seen corresponding path program 40 times [2021-07-13 20:23:15,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:15,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782539844] [2021-07-13 20:23:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:23:15,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:15,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782539844] [2021-07-13 20:23:15,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782539844] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:15,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979930837] [2021-07-13 20:23:15,859 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) [2021-07-13 20:23:15,894 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:23:15,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:23:15,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:15,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:23:15,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979930837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:15,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:15,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-13 20:23:15,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985330766] [2021-07-13 20:23:15,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 20:23:15,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:15,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 20:23:15,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 20:23:15,973 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) [2021-07-13 20:23:16,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:16,114 INFO L93 Difference]: Finished difference Result 12594 states and 44270 transitions. [2021-07-13 20:23:16,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 20:23:16,115 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 [2021-07-13 20:23:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:16,147 INFO L225 Difference]: With dead ends: 12594 [2021-07-13 20:23:16,147 INFO L226 Difference]: Without dead ends: 12570 [2021-07-13 20:23:16,147 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-07-13 20:23:16,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12570 states. [2021-07-13 20:23:16,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12570 to 10369. [2021-07-13 20:23:16,347 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) [2021-07-13 20:23:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10369 states to 10369 states and 37823 transitions. [2021-07-13 20:23:16,374 INFO L78 Accepts]: Start accepts. Automaton has 10369 states and 37823 transitions. Word has length 35 [2021-07-13 20:23:16,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:16,374 INFO L482 AbstractCegarLoop]: Abstraction has 10369 states and 37823 transitions. [2021-07-13 20:23:16,374 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) [2021-07-13 20:23:16,374 INFO L276 IsEmpty]: Start isEmpty. Operand 10369 states and 37823 transitions. [2021-07-13 20:23:16,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:23:16,391 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:16,391 INFO L508 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] [2021-07-13 20:23:16,591 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10345 [2021-07-13 20:23:16,591 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:16,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:16,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1386836804, now seen corresponding path program 41 times [2021-07-13 20:23:16,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:16,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296040041] [2021-07-13 20:23:16,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:23:16,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:16,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296040041] [2021-07-13 20:23:16,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296040041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:16,608 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950058271] [2021-07-13 20:23:16,608 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 [2021-07-13 20:23:16,649 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-13 20:23:16,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:23:16,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:16,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:23:16,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950058271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:16,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:16,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-13 20:23:16,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727608201] [2021-07-13 20:23:16,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 20:23:16,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:16,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 20:23:16,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-13 20:23:16,678 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) [2021-07-13 20:23:16,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:16,814 INFO L93 Difference]: Finished difference Result 15040 states and 53745 transitions. [2021-07-13 20:23:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 20:23:16,814 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 [2021-07-13 20:23:16,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:16,856 INFO L225 Difference]: With dead ends: 15040 [2021-07-13 20:23:16,856 INFO L226 Difference]: Without dead ends: 15001 [2021-07-13 20:23:16,856 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-07-13 20:23:16,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15001 states. [2021-07-13 20:23:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15001 to 13247. [2021-07-13 20:23:17,125 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) [2021-07-13 20:23:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13247 states to 13247 states and 48948 transitions. [2021-07-13 20:23:17,165 INFO L78 Accepts]: Start accepts. Automaton has 13247 states and 48948 transitions. Word has length 35 [2021-07-13 20:23:17,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:17,166 INFO L482 AbstractCegarLoop]: Abstraction has 13247 states and 48948 transitions. [2021-07-13 20:23:17,166 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) [2021-07-13 20:23:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 13247 states and 48948 transitions. [2021-07-13 20:23:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:23:17,190 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:17,190 INFO L508 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] [2021-07-13 20:23:17,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10346,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:23:17,393 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:17,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:17,393 INFO L82 PathProgramCache]: Analyzing trace with hash -262474712, now seen corresponding path program 42 times [2021-07-13 20:23:17,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:17,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392017908] [2021-07-13 20:23:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:23:17,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:17,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392017908] [2021-07-13 20:23:17,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392017908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:17,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29463303] [2021-07-13 20:23:17,410 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 [2021-07-13 20:23:17,454 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 20:23:17,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:23:17,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-13 20:23:17,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 20:23:17,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29463303] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:17,524 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:17,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-07-13 20:23:17,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012811130] [2021-07-13 20:23:17,525 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-13 20:23:17,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:17,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-13 20:23:17,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-07-13 20:23:17,525 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) [2021-07-13 20:23:18,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:18,614 INFO L93 Difference]: Finished difference Result 32581 states and 108614 transitions. [2021-07-13 20:23:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 20:23:18,614 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 [2021-07-13 20:23:18,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:18,705 INFO L225 Difference]: With dead ends: 32581 [2021-07-13 20:23:18,705 INFO L226 Difference]: Without dead ends: 32062 [2021-07-13 20:23:18,705 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1795 ImplicationChecksByTransitivity, 533.1ms TimeCoverageRelationStatistics Valid=1195, Invalid=3775, Unknown=0, NotChecked=0, Total=4970 [2021-07-13 20:23:18,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32062 states. [2021-07-13 20:23:19,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32062 to 12636. [2021-07-13 20:23:19,083 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) [2021-07-13 20:23:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12636 states to 12636 states and 46428 transitions. [2021-07-13 20:23:19,124 INFO L78 Accepts]: Start accepts. Automaton has 12636 states and 46428 transitions. Word has length 35 [2021-07-13 20:23:19,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:19,124 INFO L482 AbstractCegarLoop]: Abstraction has 12636 states and 46428 transitions. [2021-07-13 20:23:19,125 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) [2021-07-13 20:23:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 12636 states and 46428 transitions. [2021-07-13 20:23:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:23:19,145 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:19,145 INFO L508 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] [2021-07-13 20:23:19,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10347 [2021-07-13 20:23:19,348 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:19,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:19,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1986810880, now seen corresponding path program 43 times [2021-07-13 20:23:19,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:19,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089070080] [2021-07-13 20:23:19,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 20:23:19,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:19,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089070080] [2021-07-13 20:23:19,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089070080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:19,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298360736] [2021-07-13 20:23:19,368 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 [2021-07-13 20:23:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:19,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:19,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 20:23:19,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298360736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:19,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:19,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-13 20:23:19,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389716575] [2021-07-13 20:23:19,424 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 20:23:19,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:19,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 20:23:19,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 20:23:19,425 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) [2021-07-13 20:23:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:19,597 INFO L93 Difference]: Finished difference Result 23526 states and 84900 transitions. [2021-07-13 20:23:19,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 20:23:19,598 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 [2021-07-13 20:23:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:19,658 INFO L225 Difference]: With dead ends: 23526 [2021-07-13 20:23:19,658 INFO L226 Difference]: Without dead ends: 23412 [2021-07-13 20:23:19,659 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-07-13 20:23:19,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23412 states. [2021-07-13 20:23:20,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23412 to 19623. [2021-07-13 20:23:20,068 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) [2021-07-13 20:23:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19623 states to 19623 states and 72955 transitions. [2021-07-13 20:23:20,124 INFO L78 Accepts]: Start accepts. Automaton has 19623 states and 72955 transitions. Word has length 35 [2021-07-13 20:23:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:20,124 INFO L482 AbstractCegarLoop]: Abstraction has 19623 states and 72955 transitions. [2021-07-13 20:23:20,124 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) [2021-07-13 20:23:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 19623 states and 72955 transitions. [2021-07-13 20:23:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:23:20,153 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:20,154 INFO L508 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] [2021-07-13 20:23:20,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10348,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:23:20,354 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:20,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:20,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1730689920, now seen corresponding path program 44 times [2021-07-13 20:23:20,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:20,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575965112] [2021-07-13 20:23:20,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 20:23:20,386 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:20,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575965112] [2021-07-13 20:23:20,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575965112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:20,386 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657803026] [2021-07-13 20:23:20,386 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 [2021-07-13 20:23:20,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:23:20,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:23:20,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:20,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 20:23:20,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657803026] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:20,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:20,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-07-13 20:23:20,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373997854] [2021-07-13 20:23:20,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 20:23:20,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:20,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 20:23:20,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-07-13 20:23:20,452 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) [2021-07-13 20:23:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:20,668 INFO L93 Difference]: Finished difference Result 24857 states and 88380 transitions. [2021-07-13 20:23:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 20:23:20,669 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 [2021-07-13 20:23:20,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:20,732 INFO L225 Difference]: With dead ends: 24857 [2021-07-13 20:23:20,732 INFO L226 Difference]: Without dead ends: 24857 [2021-07-13 20:23:20,733 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 51.2ms TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-07-13 20:23:20,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24857 states. [2021-07-13 20:23:21,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24857 to 20199. [2021-07-13 20:23:21,326 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) [2021-07-13 20:23:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 74440 transitions. [2021-07-13 20:23:21,384 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 74440 transitions. Word has length 35 [2021-07-13 20:23:21,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:21,384 INFO L482 AbstractCegarLoop]: Abstraction has 20199 states and 74440 transitions. [2021-07-13 20:23:21,384 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) [2021-07-13 20:23:21,384 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 74440 transitions. [2021-07-13 20:23:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 20:23:21,462 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:21,462 INFO L508 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] [2021-07-13 20:23:21,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10349,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:23:21,673 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:21,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:21,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1660535036, now seen corresponding path program 45 times [2021-07-13 20:23:21,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:21,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715222922] [2021-07-13 20:23:21,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 20:23:21,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:21,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715222922] [2021-07-13 20:23:21,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715222922] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:21,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413321536] [2021-07-13 20:23:21,707 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 [2021-07-13 20:23:21,733 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 20:23:21,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:23:21,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:21,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 20:23:21,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413321536] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:21,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:21,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-07-13 20:23:21,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393838590] [2021-07-13 20:23:21,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 20:23:21,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:21,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 20:23:21,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-13 20:23:21,767 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) [2021-07-13 20:23:22,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:22,003 INFO L93 Difference]: Finished difference Result 23811 states and 85228 transitions. [2021-07-13 20:23:22,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 20:23:22,003 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 [2021-07-13 20:23:22,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:22,065 INFO L225 Difference]: With dead ends: 23811 [2021-07-13 20:23:22,066 INFO L226 Difference]: Without dead ends: 23731 [2021-07-13 20:23:22,066 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 39.3ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-07-13 20:23:22,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23731 states. [2021-07-13 20:23:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23731 to 20741. [2021-07-13 20:23:22,498 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) [2021-07-13 20:23:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20741 states to 20741 states and 75913 transitions. [2021-07-13 20:23:22,558 INFO L78 Accepts]: Start accepts. Automaton has 20741 states and 75913 transitions. Word has length 35 [2021-07-13 20:23:22,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:22,558 INFO L482 AbstractCegarLoop]: Abstraction has 20741 states and 75913 transitions. [2021-07-13 20:23:22,558 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) [2021-07-13 20:23:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 20741 states and 75913 transitions. [2021-07-13 20:23:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 20:23:22,590 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:22,590 INFO L508 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] [2021-07-13 20:23:22,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10350 [2021-07-13 20:23:22,791 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:22,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:22,791 INFO L82 PathProgramCache]: Analyzing trace with hash -525066968, now seen corresponding path program 46 times [2021-07-13 20:23:22,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:22,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422428266] [2021-07-13 20:23:22,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 20:23:22,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:22,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422428266] [2021-07-13 20:23:22,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422428266] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:22,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848899393] [2021-07-13 20:23:22,816 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 [2021-07-13 20:23:22,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 20:23:22,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:23:22,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:22,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 20:23:22,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848899393] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:22,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:22,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-13 20:23:22,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684090439] [2021-07-13 20:23:22,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 20:23:22,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:22,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 20:23:22,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-07-13 20:23:22,890 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) [2021-07-13 20:23:24,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:24,050 INFO L93 Difference]: Finished difference Result 63883 states and 227418 transitions. [2021-07-13 20:23:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-13 20:23:24,050 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 [2021-07-13 20:23:24,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:24,409 INFO L225 Difference]: With dead ends: 63883 [2021-07-13 20:23:24,409 INFO L226 Difference]: Without dead ends: 61708 [2021-07-13 20:23:24,409 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 342.0ms TimeCoverageRelationStatistics Valid=605, Invalid=1747, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 20:23:24,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61708 states. [2021-07-13 20:23:25,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61708 to 37262. [2021-07-13 20:23:25,707 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) [2021-07-13 20:23:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37262 states to 37262 states and 137768 transitions. [2021-07-13 20:23:25,838 INFO L78 Accepts]: Start accepts. Automaton has 37262 states and 137768 transitions. Word has length 36 [2021-07-13 20:23:25,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:25,838 INFO L482 AbstractCegarLoop]: Abstraction has 37262 states and 137768 transitions. [2021-07-13 20:23:25,838 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) [2021-07-13 20:23:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 37262 states and 137768 transitions. [2021-07-13 20:23:25,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-07-13 20:23:25,900 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:25,900 INFO L508 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] [2021-07-13 20:23:26,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10351,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:23:26,101 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:26,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:26,101 INFO L82 PathProgramCache]: Analyzing trace with hash 320234802, now seen corresponding path program 47 times [2021-07-13 20:23:26,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:26,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082223740] [2021-07-13 20:23:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:23:26,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:26,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082223740] [2021-07-13 20:23:26,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082223740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:26,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607013969] [2021-07-13 20:23:26,118 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 [2021-07-13 20:23:26,283 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 20:23:26,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:23:26,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:26,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 20:23:26,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607013969] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:26,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:26,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-07-13 20:23:26,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252325983] [2021-07-13 20:23:26,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-13 20:23:26,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:26,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-13 20:23:26,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-07-13 20:23:26,340 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) [2021-07-13 20:23:27,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:27,401 INFO L93 Difference]: Finished difference Result 51360 states and 178973 transitions. [2021-07-13 20:23:27,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-13 20:23:27,401 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 [2021-07-13 20:23:27,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:27,570 INFO L225 Difference]: With dead ends: 51360 [2021-07-13 20:23:27,570 INFO L226 Difference]: Without dead ends: 51245 [2021-07-13 20:23:27,571 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 465.4ms TimeCoverageRelationStatistics Valid=900, Invalid=3260, Unknown=0, NotChecked=0, Total=4160 [2021-07-13 20:23:27,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51245 states. [2021-07-13 20:23:28,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51245 to 29984. [2021-07-13 20:23:28,374 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) [2021-07-13 20:23:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29984 states to 29984 states and 109391 transitions. [2021-07-13 20:23:28,582 INFO L78 Accepts]: Start accepts. Automaton has 29984 states and 109391 transitions. Word has length 36 [2021-07-13 20:23:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:28,583 INFO L482 AbstractCegarLoop]: Abstraction has 29984 states and 109391 transitions. [2021-07-13 20:23:28,583 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) [2021-07-13 20:23:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 29984 states and 109391 transitions. [2021-07-13 20:23:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-07-13 20:23:28,650 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:28,650 INFO L508 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] [2021-07-13 20:23:28,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10352 [2021-07-13 20:23:28,853 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:28,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:28,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1611245554, now seen corresponding path program 48 times [2021-07-13 20:23:28,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:28,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602726841] [2021-07-13 20:23:28,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 20:23:28,870 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:28,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602726841] [2021-07-13 20:23:28,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602726841] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:28,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175116023] [2021-07-13 20:23:28,871 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 [2021-07-13 20:23:28,898 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 20:23:28,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:23:28,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 20:23:28,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 20:23:28,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175116023] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:28,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:28,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-13 20:23:28,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750085615] [2021-07-13 20:23:28,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-13 20:23:28,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:28,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-13 20:23:28,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-13 20:23:28,957 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) [2021-07-13 20:23:29,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:29,980 INFO L93 Difference]: Finished difference Result 88037 states and 316542 transitions. [2021-07-13 20:23:29,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-13 20:23:29,980 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 [2021-07-13 20:23:29,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:30,454 INFO L225 Difference]: With dead ends: 88037 [2021-07-13 20:23:30,454 INFO L226 Difference]: Without dead ends: 87306 [2021-07-13 20:23:30,454 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 273.3ms TimeCoverageRelationStatistics Valid=407, Invalid=999, Unknown=0, NotChecked=0, Total=1406 [2021-07-13 20:23:30,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87306 states. [2021-07-13 20:23:32,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87306 to 51414. [2021-07-13 20:23:32,113 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) [2021-07-13 20:23:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51414 states to 51414 states and 190781 transitions. [2021-07-13 20:23:32,291 INFO L78 Accepts]: Start accepts. Automaton has 51414 states and 190781 transitions. Word has length 37 [2021-07-13 20:23:32,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:32,291 INFO L482 AbstractCegarLoop]: Abstraction has 51414 states and 190781 transitions. [2021-07-13 20:23:32,291 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) [2021-07-13 20:23:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 51414 states and 190781 transitions. [2021-07-13 20:23:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 20:23:32,585 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:32,585 INFO L508 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] [2021-07-13 20:23:32,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10353,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:23:32,800 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:32,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:32,801 INFO L82 PathProgramCache]: Analyzing trace with hash -788362708, now seen corresponding path program 49 times [2021-07-13 20:23:32,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:32,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323197593] [2021-07-13 20:23:32,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-13 20:23:32,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:32,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323197593] [2021-07-13 20:23:32,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323197593] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:32,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387098993] [2021-07-13 20:23:32,831 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 [2021-07-13 20:23:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:32,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:32,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 20:23:32,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387098993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:32,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:32,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-13 20:23:32,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041468711] [2021-07-13 20:23:32,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 20:23:32,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:32,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 20:23:32,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-07-13 20:23:32,920 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) [2021-07-13 20:23:34,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:34,170 INFO L93 Difference]: Finished difference Result 86651 states and 306862 transitions. [2021-07-13 20:23:34,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-13 20:23:34,171 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 [2021-07-13 20:23:34,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:34,661 INFO L225 Difference]: With dead ends: 86651 [2021-07-13 20:23:34,661 INFO L226 Difference]: Without dead ends: 86380 [2021-07-13 20:23:34,661 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 378.0ms TimeCoverageRelationStatistics Valid=759, Invalid=2321, Unknown=0, NotChecked=0, Total=3080 [2021-07-13 20:23:34,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86380 states. [2021-07-13 20:23:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86380 to 59748. [2021-07-13 20:23:36,063 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) [2021-07-13 20:23:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59748 states to 59748 states and 221525 transitions. [2021-07-13 20:23:36,514 INFO L78 Accepts]: Start accepts. Automaton has 59748 states and 221525 transitions. Word has length 38 [2021-07-13 20:23:36,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:36,514 INFO L482 AbstractCegarLoop]: Abstraction has 59748 states and 221525 transitions. [2021-07-13 20:23:36,514 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) [2021-07-13 20:23:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 59748 states and 221525 transitions. [2021-07-13 20:23:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-13 20:23:36,608 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:36,608 INFO L508 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] [2021-07-13 20:23:36,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10354 [2021-07-13 20:23:36,809 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:36,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:36,809 INFO L82 PathProgramCache]: Analyzing trace with hash 196735476, now seen corresponding path program 50 times [2021-07-13 20:23:36,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:36,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080813711] [2021-07-13 20:23:36,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-13 20:23:36,829 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:23:36,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080813711] [2021-07-13 20:23:36,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080813711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:36,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953200436] [2021-07-13 20:23:36,829 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 [2021-07-13 20:23:36,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 20:23:36,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:23:36,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-13 20:23:36,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:23:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 20:23:36,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953200436] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:23:36,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 20:23:36,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-07-13 20:23:36,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760100671] [2021-07-13 20:23:36,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 20:23:36,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 20:23:36,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 20:23:36,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-07-13 20:23:36,933 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) [2021-07-13 20:23:38,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 20:23:38,485 INFO L93 Difference]: Finished difference Result 72805 states and 259035 transitions. [2021-07-13 20:23:38,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 20:23:38,486 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 [2021-07-13 20:23:38,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 20:23:38,735 INFO L225 Difference]: With dead ends: 72805 [2021-07-13 20:23:38,735 INFO L226 Difference]: Without dead ends: 72671 [2021-07-13 20:23:38,736 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 402.3ms TimeCoverageRelationStatistics Valid=750, Invalid=2220, Unknown=0, NotChecked=0, Total=2970 [2021-07-13 20:23:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72671 states. [2021-07-13 20:23:39,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72671 to 55854. [2021-07-13 20:23:39,995 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) [2021-07-13 20:23:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55854 states to 55854 states and 206617 transitions. [2021-07-13 20:23:40,423 INFO L78 Accepts]: Start accepts. Automaton has 55854 states and 206617 transitions. Word has length 38 [2021-07-13 20:23:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 20:23:40,423 INFO L482 AbstractCegarLoop]: Abstraction has 55854 states and 206617 transitions. [2021-07-13 20:23:40,423 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) [2021-07-13 20:23:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 55854 states and 206617 transitions. [2021-07-13 20:23:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-07-13 20:23:40,530 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 20:23:40,530 INFO L508 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] [2021-07-13 20:23:40,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10355 [2021-07-13 20:23:40,730 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 20:23:40,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 20:23:40,731 INFO L82 PathProgramCache]: Analyzing trace with hash 672084132, now seen corresponding path program 51 times [2021-07-13 20:23:40,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 20:23:40,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663324890] [2021-07-13 20:23:40,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 20:23:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 20:23:41,301 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 17 [2021-07-13 20:23:41,937 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-07-13 20:23:42,335 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 45 [2021-07-13 20:23:53,171 WARN L205 SmtUtils]: Spent 10.83 s on a formula simplification. DAG size of input: 245 DAG size of output: 296 [2021-07-13 20:23:53,622 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 41 [2021-07-13 20:24:02,779 WARN L205 SmtUtils]: Spent 9.15 s on a formula simplification. DAG size of input: 253 DAG size of output: 299 [2021-07-13 20:24:02,940 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 299 [2021-07-13 20:24:03,517 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2021-07-13 20:24:09,449 WARN L205 SmtUtils]: Spent 5.93 s on a formula simplification. DAG size of input: 258 DAG size of output: 222 [2021-07-13 20:24:09,565 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-07-13 20:24:09,913 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 46 [2021-07-13 20:24:15,280 WARN L205 SmtUtils]: Spent 5.36 s on a formula simplification. DAG size of input: 251 DAG size of output: 217 [2021-07-13 20:24:15,683 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 40 [2021-07-13 20:24:21,761 WARN L205 SmtUtils]: Spent 6.08 s on a formula simplification. DAG size of input: 233 DAG size of output: 205 [2021-07-13 20:24:22,136 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 42 [2021-07-13 20:24:28,332 WARN L205 SmtUtils]: Spent 6.19 s on a formula simplification. DAG size of input: 232 DAG size of output: 200 [2021-07-13 20:24:28,756 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2021-07-13 20:24:34,038 WARN L205 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 228 DAG size of output: 193 [2021-07-13 20:24:34,385 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2021-07-13 20:24:36,096 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 174 DAG size of output: 122 [2021-07-13 20:24:36,253 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 35 [2021-07-13 20:24:37,929 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 171 DAG size of output: 119 [2021-07-13 20:24:38,094 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2021-07-13 20:24:38,506 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 49 [2021-07-13 20:24:38,703 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2021-07-13 20:24:38,856 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 22 [2021-07-13 20:24:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 20:24:38,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 20:24:38,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663324890] [2021-07-13 20:24:38,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663324890] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 20:24:38,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264020937] [2021-07-13 20:24:38,902 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 [2021-07-13 20:24:38,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 20:24:38,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 20:24:38,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-13 20:24:38,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 20:24:42,651 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 157 [2021-07-13 20:24:46,797 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 856 [2021-07-13 20:24:49,014 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 [2021-07-13 20:24:49,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,070 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 [2021-07-13 20:24:49,071 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,125 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 [2021-07-13 20:24:49,126 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,184 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 [2021-07-13 20:24:49,184 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,241 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 [2021-07-13 20:24:49,242 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,296 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 [2021-07-13 20:24:49,297 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,353 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 [2021-07-13 20:24:49,354 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,421 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 [2021-07-13 20:24:49,422 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,481 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 [2021-07-13 20:24:49,482 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,545 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 [2021-07-13 20:24:49,546 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,611 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 [2021-07-13 20:24:49,612 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,674 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 [2021-07-13 20:24:49,674 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,737 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 [2021-07-13 20:24:49,738 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,801 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 [2021-07-13 20:24:49,802 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,865 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 [2021-07-13 20:24:49,866 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,930 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 [2021-07-13 20:24:49,931 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:49,995 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 [2021-07-13 20:24:49,996 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,063 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 [2021-07-13 20:24:50,064 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,129 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 [2021-07-13 20:24:50,130 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,200 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 [2021-07-13 20:24:50,201 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,268 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 [2021-07-13 20:24:50,268 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,338 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 [2021-07-13 20:24:50,338 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,407 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 18 treesize of output 17 [2021-07-13 20:24:50,408 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,479 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 [2021-07-13 20:24:50,479 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,553 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 [2021-07-13 20:24:50,554 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,625 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 [2021-07-13 20:24:50,626 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,699 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 [2021-07-13 20:24:50,699 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,771 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 [2021-07-13 20:24:50,772 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,844 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 [2021-07-13 20:24:50,845 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,919 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 [2021-07-13 20:24:50,920 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:50,995 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 [2021-07-13 20:24:50,995 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,070 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 [2021-07-13 20:24:51,071 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,146 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 [2021-07-13 20:24:51,147 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,229 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 [2021-07-13 20:24:51,230 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,306 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 [2021-07-13 20:24:51,306 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,384 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 [2021-07-13 20:24:51,385 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,463 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 [2021-07-13 20:24:51,473 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,562 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 [2021-07-13 20:24:51,563 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,656 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 [2021-07-13 20:24:51,657 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,765 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 [2021-07-13 20:24:51,766 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,851 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 [2021-07-13 20:24:51,852 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:51,940 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 [2021-07-13 20:24:51,941 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,026 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 [2021-07-13 20:24:52,027 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,111 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 [2021-07-13 20:24:52,111 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,203 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 [2021-07-13 20:24:52,204 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,290 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 [2021-07-13 20:24:52,291 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,375 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 [2021-07-13 20:24:52,376 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,462 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 [2021-07-13 20:24:52,463 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,552 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 [2021-07-13 20:24:52,552 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,650 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 18 treesize of output 17 [2021-07-13 20:24:52,651 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,739 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 [2021-07-13 20:24:52,740 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,829 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 [2021-07-13 20:24:52,830 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:52,922 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 [2021-07-13 20:24:52,923 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,062 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 [2021-07-13 20:24:53,063 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,152 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 [2021-07-13 20:24:53,153 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,245 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 [2021-07-13 20:24:53,246 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,338 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 [2021-07-13 20:24:53,338 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,430 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 [2021-07-13 20:24:53,430 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,525 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 [2021-07-13 20:24:53,525 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,621 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 [2021-07-13 20:24:53,621 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,716 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 [2021-07-13 20:24:53,717 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,813 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 [2021-07-13 20:24:53,814 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:53,908 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 [2021-07-13 20:24:53,909 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:54,009 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 [2021-07-13 20:24:54,010 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 20:24:57,501 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 736 [2021-07-13 20:24:57,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:24:57,619 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. [2021-07-13 20:24:57,620 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:5793, output treesize:5729 [2021-07-13 20:25:02,051 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 864 [2021-07-13 20:25:03,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,263 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 [2021-07-13 20:25:03,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,330 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 [2021-07-13 20:25:03,331 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,432 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 [2021-07-13 20:25:03,433 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,508 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 [2021-07-13 20:25:03,509 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,578 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 36 treesize of output 38 [2021-07-13 20:25:03,579 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,649 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 36 treesize of output 38 [2021-07-13 20:25:03,650 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,721 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 [2021-07-13 20:25:03,722 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,792 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 [2021-07-13 20:25:03,793 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:03,943 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 [2021-07-13 20:25:03,944 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,014 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 [2021-07-13 20:25:04,015 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,089 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 [2021-07-13 20:25:04,090 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,174 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 [2021-07-13 20:25:04,175 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,256 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 [2021-07-13 20:25:04,257 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,377 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 [2021-07-13 20:25:04,378 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,456 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 [2021-07-13 20:25:04,457 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,539 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 [2021-07-13 20:25:04,540 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,615 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 36 treesize of output 38 [2021-07-13 20:25:04,616 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,696 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 [2021-07-13 20:25:04,697 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,775 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 [2021-07-13 20:25:04,776 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,853 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 [2021-07-13 20:25:04,854 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:04,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:04,932 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 [2021-07-13 20:25:04,932 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,012 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 [2021-07-13 20:25:05,013 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,095 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 [2021-07-13 20:25:05,096 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,194 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 36 treesize of output 38 [2021-07-13 20:25:05,195 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,286 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 36 treesize of output 38 [2021-07-13 20:25:05,289 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,385 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 [2021-07-13 20:25:05,386 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,480 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 [2021-07-13 20:25:05,481 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,572 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 36 treesize of output 38 [2021-07-13 20:25:05,573 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,673 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 [2021-07-13 20:25:05,674 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,760 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 [2021-07-13 20:25:05,761 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,857 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 [2021-07-13 20:25:05,858 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:05,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:05,947 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 [2021-07-13 20:25:05,948 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,035 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 [2021-07-13 20:25:06,036 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,128 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 [2021-07-13 20:25:06,129 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,220 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 [2021-07-13 20:25:06,221 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,311 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 36 treesize of output 38 [2021-07-13 20:25:06,312 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,402 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 [2021-07-13 20:25:06,403 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,488 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 [2021-07-13 20:25:06,489 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,578 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 36 treesize of output 38 [2021-07-13 20:25:06,579 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,668 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 [2021-07-13 20:25:06,670 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,765 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 [2021-07-13 20:25:06,771 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,890 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 [2021-07-13 20:25:06,891 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:06,991 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 [2021-07-13 20:25:06,992 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,095 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 [2021-07-13 20:25:07,096 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,192 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 [2021-07-13 20:25:07,193 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,285 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 [2021-07-13 20:25:07,286 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,395 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 [2021-07-13 20:25:07,396 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,504 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 [2021-07-13 20:25:07,505 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,677 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 [2021-07-13 20:25:07,678 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,779 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 36 treesize of output 38 [2021-07-13 20:25:07,780 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,879 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 [2021-07-13 20:25:07,880 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:07,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:07,986 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 [2021-07-13 20:25:07,987 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,099 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 [2021-07-13 20:25:08,100 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,205 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 [2021-07-13 20:25:08,206 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,311 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 36 treesize of output 38 [2021-07-13 20:25:08,312 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,415 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 [2021-07-13 20:25:08,416 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,520 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 [2021-07-13 20:25:08,522 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,624 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 [2021-07-13 20:25:08,625 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,734 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 [2021-07-13 20:25:08,734 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,839 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 [2021-07-13 20:25:08,840 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:08,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:08,947 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 [2021-07-13 20:25:08,948 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:09,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:09,055 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 [2021-07-13 20:25:09,056 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:09,168 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 [2021-07-13 20:25:09,169 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:09,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 20:25:09,275 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 [2021-07-13 20:25:09,276 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:13,080 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification that was a NOOP. DAG size: 744 [2021-07-13 20:25:13,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:25:13,208 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. [2021-07-13 20:25:13,208 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 65 variables, input treesize:6881, output treesize:6817 [2021-07-13 20:25:18,306 WARN L205 SmtUtils]: Spent 4.31 s on a formula simplification that was a NOOP. DAG size: 872 [2021-07-13 20:25:24,236 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification that was a NOOP. DAG size: 873 [2021-07-13 20:25:24,510 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 887 [2021-07-13 20:25:25,927 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]} [2021-07-13 20:25:26,082 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 [2021-07-13 20:25:26,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:34,208 WARN L205 SmtUtils]: Spent 8.12 s on a formula simplification that was a NOOP. DAG size: 2383 [2021-07-13 20:25:34,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:25:34,362 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 [2021-07-13 20:25:34,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:43,003 WARN L205 SmtUtils]: Spent 8.64 s on a formula simplification that was a NOOP. DAG size: 2379 [2021-07-13 20:25:43,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:25:43,157 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 [2021-07-13 20:25:43,158 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:51,537 WARN L205 SmtUtils]: Spent 8.38 s on a formula simplification that was a NOOP. DAG size: 2375 [2021-07-13 20:25:51,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:25:51,700 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 [2021-07-13 20:25:51,701 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 20:25:59,923 WARN L205 SmtUtils]: Spent 8.22 s on a formula simplification that was a NOOP. DAG size: 2371 [2021-07-13 20:25:59,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:26:00,090 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 [2021-07-13 20:26:00,091 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 20:26:08,365 WARN L205 SmtUtils]: Spent 8.27 s on a formula simplification that was a NOOP. DAG size: 2367 [2021-07-13 20:26:08,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:26:08,514 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 [2021-07-13 20:26:08,515 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 20:26:17,191 WARN L205 SmtUtils]: Spent 8.67 s on a formula simplification that was a NOOP. DAG size: 2363 [2021-07-13 20:26:17,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:26:17,351 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 [2021-07-13 20:26:17,353 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 20:26:25,674 WARN L205 SmtUtils]: Spent 8.32 s on a formula simplification that was a NOOP. DAG size: 2359 [2021-07-13 20:26:25,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:26:25,837 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 [2021-07-13 20:26:25,838 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 20:26:33,760 WARN L205 SmtUtils]: Spent 7.92 s on a formula simplification that was a NOOP. DAG size: 2355 [2021-07-13 20:26:33,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:26:33,920 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 [2021-07-13 20:26:33,921 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 20:26:42,347 WARN L205 SmtUtils]: Spent 8.42 s on a formula simplification that was a NOOP. DAG size: 2351 [2021-07-13 20:26:42,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:26:42,504 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 [2021-07-13 20:26:42,506 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 20:26:50,186 WARN L205 SmtUtils]: Spent 7.68 s on a formula simplification that was a NOOP. DAG size: 2347 [2021-07-13 20:26:50,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:26:50,354 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 [2021-07-13 20:26:50,358 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 20:26:58,148 WARN L205 SmtUtils]: Spent 7.79 s on a formula simplification that was a NOOP. DAG size: 2343 [2021-07-13 20:26:58,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:26:58,316 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 [2021-07-13 20:26:58,318 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 20:27:06,540 WARN L205 SmtUtils]: Spent 8.22 s on a formula simplification that was a NOOP. DAG size: 2339 [2021-07-13 20:27:06,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:27:06,694 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 [2021-07-13 20:27:06,695 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 20:27:14,387 WARN L205 SmtUtils]: Spent 7.69 s on a formula simplification that was a NOOP. DAG size: 2335 [2021-07-13 20:27:14,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:27:14,538 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 [2021-07-13 20:27:14,539 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 20:27:22,565 WARN L205 SmtUtils]: Spent 8.02 s on a formula simplification that was a NOOP. DAG size: 2331 [2021-07-13 20:27:22,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:27:22,741 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 [2021-07-13 20:27:22,742 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 20:27:30,656 WARN L205 SmtUtils]: Spent 7.91 s on a formula simplification that was a NOOP. DAG size: 2327 [2021-07-13 20:27:30,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 20:27:30,815 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 [2021-07-13 20:27:30,816 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 20:27:36,512 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new [2021-07-13 20:27:36,513 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-13 20:27:36,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10356,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 20:27:36,714 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:238) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 56 more [2021-07-13 20:27:36,719 INFO L168 Benchmark]: Toolchain (without parser) took 819531.80 ms. Allocated memory was 207.6 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 187.5 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 6.1 GB. Max. memory is 8.0 GB. [2021-07-13 20:27:36,719 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 207.6 MB. Free memory is still 188.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-13 20:27:36,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.03 ms. Allocated memory is still 207.6 MB. Free memory was 187.4 MB in the beginning and 186.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 20:27:36,719 INFO L168 Benchmark]: Boogie Preprocessor took 12.27 ms. Allocated memory is still 207.6 MB. Free memory was 186.1 MB in the beginning and 185.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 20:27:36,719 INFO L168 Benchmark]: RCFGBuilder took 273.61 ms. Allocated memory is still 207.6 MB. Free memory was 184.9 MB in the beginning and 170.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-13 20:27:36,719 INFO L168 Benchmark]: TraceAbstraction took 819210.67 ms. Allocated memory was 207.6 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 169.9 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 6.1 GB. Max. memory is 8.0 GB. [2021-07-13 20:27:36,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 207.6 MB. Free memory is still 188.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.03 ms. Allocated memory is still 207.6 MB. Free memory was 187.4 MB in the beginning and 186.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.27 ms. Allocated memory is still 207.6 MB. Free memory was 186.1 MB in the beginning and 185.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 273.61 ms. Allocated memory is still 207.6 MB. Free memory was 184.9 MB in the beginning and 170.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 819210.67 ms. Allocated memory was 207.6 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 169.9 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 6.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...