/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 05:25:48,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 05:25:48,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 05:25:48,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 05:25:49,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 05:25:49,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 05:25:49,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 05:25:49,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 05:25:49,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 05:25:49,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 05:25:49,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 05:25:49,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 05:25:49,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 05:25:49,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 05:25:49,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 05:25:49,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 05:25:49,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 05:25:49,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 05:25:49,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 05:25:49,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 05:25:49,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-05 05:25:49,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 05:25:49,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 05:25:49,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 05:25:49,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 05:25:49,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 05:25:49,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 05:25:49,045 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 05:25:49,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 05:25:49,045 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 05:25:49,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 05:25:49,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 05:25:49,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 05:25:49,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 05:25:49,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 05:25:49,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 05:25:49,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 05:25:49,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 05:25:49,301 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-05 05:25:49,302 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-05 05:25:49,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl [2021-06-05 05:25:49,303 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl' [2021-06-05 05:25:49,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 05:25:49,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-05 05:25:49,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 05:25:49,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 05:25:49,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 05:25:49,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 05:25:49,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 05:25:49,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 05:25:49,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 05:25:49,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... [2021-06-05 05:25:49,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 05:25:49,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 05:25:49,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 05:25:49,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 05:25:49,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 05:25:49,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-05 05:25:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-05 05:25:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-05 05:25:49,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-05 05:25:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-05 05:25:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-05 05:25:49,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-05 05:25:49,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 05:25:49,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 05:25:49,446 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 05:25:49,577 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 05:25:49,577 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-05 05:25:49,578 INFO L202 PluginConnector]: Adding new model counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 05:25:49 BoogieIcfgContainer [2021-06-05 05:25:49,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 05:25:49,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 05:25:49,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 05:25:49,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 05:25:49,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.06 05:25:49" (1/2) ... [2021-06-05 05:25:49,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d0226 and model type counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 05:25:49, skipping insertion in model container [2021-06-05 05:25:49,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 05:25:49" (2/2) ... [2021-06-05 05:25:49,583 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-fun.wvr.bpl [2021-06-05 05:25:49,587 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 05:25:49,587 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 05:25:49,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 05:25:49,588 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 05:25:49,610 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-05 05:25:49,641 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 05:25:49,665 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 05:25:49,666 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 05:25:49,666 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 05:25:49,666 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 05:25:49,666 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 05:25:49,666 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 05:25:49,666 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 05:25:49,666 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 05:25:49,684 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 22 transitions, 60 flow [2021-06-05 05:25:49,709 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34 states, 32 states have (on average 1.8125) internal successors, (58), 33 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.8125) internal successors, (58), 33 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-06-05 05:25:49,715 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:49,715 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:49,716 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:49,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:49,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1451168716, now seen corresponding path program 1 times [2021-06-05 05:25:49,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:49,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121362931] [2021-06-05 05:25:49,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:49,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:49,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121362931] [2021-06-05 05:25:49,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121362931] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 05:25:49,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 05:25:49,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 05:25:49,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230080753] [2021-06-05 05:25:49,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 05:25:49,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:49,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 05:25:49,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 05:25:49,850 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.8125) internal successors, (58), 33 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) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:49,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:49,876 INFO L93 Difference]: Finished difference Result 57 states and 105 transitions. [2021-06-05 05:25:49,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 05:25:49,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-06-05 05:25:49,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:49,884 INFO L225 Difference]: With dead ends: 57 [2021-06-05 05:25:49,885 INFO L226 Difference]: Without dead ends: 50 [2021-06-05 05:25:49,886 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 05:25:49,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-06-05 05:25:49,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2021-06-05 05:25:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.85) internal successors, (74), 40 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 74 transitions. [2021-06-05 05:25:49,918 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 74 transitions. Word has length 14 [2021-06-05 05:25:49,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:49,920 INFO L482 AbstractCegarLoop]: Abstraction has 41 states and 74 transitions. [2021-06-05 05:25:49,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-06-05 05:25:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 05:25:49,921 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:49,921 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:49,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 05:25:49,921 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:49,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:49,925 INFO L82 PathProgramCache]: Analyzing trace with hash -334624586, now seen corresponding path program 1 times [2021-06-05 05:25:49,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:49,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226954249] [2021-06-05 05:25:49,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:50,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:50,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226954249] [2021-06-05 05:25:50,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226954249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:50,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48163725] [2021-06-05 05:25:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:50,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-05 05:25:50,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:50,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48163725] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:50,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:50,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-06-05 05:25:50,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75714849] [2021-06-05 05:25:50,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-05 05:25:50,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:50,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-05 05:25:50,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-05 05:25:50,223 INFO L87 Difference]: Start difference. First operand 41 states and 74 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:50,330 INFO L93 Difference]: Finished difference Result 68 states and 120 transitions. [2021-06-05 05:25:50,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 05:25:50,331 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 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 16 [2021-06-05 05:25:50,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:50,333 INFO L225 Difference]: With dead ends: 68 [2021-06-05 05:25:50,333 INFO L226 Difference]: Without dead ends: 68 [2021-06-05 05:25:50,334 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 117.6ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:25:50,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-06-05 05:25:50,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 41. [2021-06-05 05:25:50,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.9) internal successors, (76), 40 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 76 transitions. [2021-06-05 05:25:50,344 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 76 transitions. Word has length 16 [2021-06-05 05:25:50,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:50,345 INFO L482 AbstractCegarLoop]: Abstraction has 41 states and 76 transitions. [2021-06-05 05:25:50,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-06-05 05:25:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 05:25:50,347 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:50,347 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:50,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-05 05:25:50,561 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:50,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:50,562 INFO L82 PathProgramCache]: Analyzing trace with hash 368180722, now seen corresponding path program 1 times [2021-06-05 05:25:50,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:50,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761018820] [2021-06-05 05:25:50,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:50,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:50,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761018820] [2021-06-05 05:25:50,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761018820] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 05:25:50,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 05:25:50,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 05:25:50,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197439781] [2021-06-05 05:25:50,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 05:25:50,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:50,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 05:25:50,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-05 05:25:50,609 INFO L87 Difference]: Start difference. First operand 41 states and 76 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:50,687 INFO L93 Difference]: Finished difference Result 71 states and 125 transitions. [2021-06-05 05:25:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 05:25:50,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-06-05 05:25:50,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:50,691 INFO L225 Difference]: With dead ends: 71 [2021-06-05 05:25:50,696 INFO L226 Difference]: Without dead ends: 66 [2021-06-05 05:25:50,696 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 45.0ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-06-05 05:25:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-06-05 05:25:50,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 49. [2021-06-05 05:25:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.8958333333333333) internal successors, (91), 48 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 91 transitions. [2021-06-05 05:25:50,700 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 91 transitions. Word has length 16 [2021-06-05 05:25:50,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:50,700 INFO L482 AbstractCegarLoop]: Abstraction has 49 states and 91 transitions. [2021-06-05 05:25:50,700 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2021-06-05 05:25:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 05:25:50,701 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:50,701 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:50,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 05:25:50,701 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:50,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:50,701 INFO L82 PathProgramCache]: Analyzing trace with hash -896747138, now seen corresponding path program 2 times [2021-06-05 05:25:50,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:50,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934808182] [2021-06-05 05:25:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:50,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:50,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934808182] [2021-06-05 05:25:50,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934808182] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 05:25:50,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 05:25:50,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 05:25:50,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861914229] [2021-06-05 05:25:50,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 05:25:50,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:50,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 05:25:50,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-05 05:25:50,730 INFO L87 Difference]: Start difference. First operand 49 states and 91 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:50,767 INFO L93 Difference]: Finished difference Result 51 states and 94 transitions. [2021-06-05 05:25:50,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 05:25:50,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-06-05 05:25:50,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:50,769 INFO L225 Difference]: With dead ends: 51 [2021-06-05 05:25:50,769 INFO L226 Difference]: Without dead ends: 51 [2021-06-05 05:25:50,769 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-06-05 05:25:50,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-06-05 05:25:50,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2021-06-05 05:25:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.880952380952381) internal successors, (79), 42 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 79 transitions. [2021-06-05 05:25:50,780 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 79 transitions. Word has length 16 [2021-06-05 05:25:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:50,780 INFO L482 AbstractCegarLoop]: Abstraction has 43 states and 79 transitions. [2021-06-05 05:25:50,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-06-05 05:25:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-06-05 05:25:50,781 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:50,781 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:50,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 05:25:50,781 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:50,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:50,782 INFO L82 PathProgramCache]: Analyzing trace with hash 2014322076, now seen corresponding path program 2 times [2021-06-05 05:25:50,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:50,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639976015] [2021-06-05 05:25:50,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:50,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:50,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639976015] [2021-06-05 05:25:50,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639976015] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 05:25:50,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 05:25:50,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-05 05:25:50,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025778814] [2021-06-05 05:25:50,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 05:25:50,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:50,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 05:25:50,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-05 05:25:50,848 INFO L87 Difference]: Start difference. First operand 43 states and 79 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:50,906 INFO L93 Difference]: Finished difference Result 51 states and 92 transitions. [2021-06-05 05:25:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 05:25:50,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-06-05 05:25:50,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:50,907 INFO L225 Difference]: With dead ends: 51 [2021-06-05 05:25:50,907 INFO L226 Difference]: Without dead ends: 49 [2021-06-05 05:25:50,907 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.2ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-06-05 05:25:50,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-06-05 05:25:50,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2021-06-05 05:25:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.8571428571428572) internal successors, (78), 42 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 78 transitions. [2021-06-05 05:25:50,909 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 78 transitions. Word has length 16 [2021-06-05 05:25:50,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:50,909 INFO L482 AbstractCegarLoop]: Abstraction has 43 states and 78 transitions. [2021-06-05 05:25:50,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:50,909 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-06-05 05:25:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-06-05 05:25:50,909 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:50,909 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:50,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 05:25:50,910 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:50,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:50,910 INFO L82 PathProgramCache]: Analyzing trace with hash -374734348, now seen corresponding path program 1 times [2021-06-05 05:25:50,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:50,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669754337] [2021-06-05 05:25:50,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:50,940 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:50,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669754337] [2021-06-05 05:25:50,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669754337] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:50,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602460806] [2021-06-05 05:25:50,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:50,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:25:50,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:51,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-06-05 05:25:51,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:25:51,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:51,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:25:51,017 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:5 [2021-06-05 05:25:51,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 05:25:51,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:25:51,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:51,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:25:51,040 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-05 05:25:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:51,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602460806] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:51,046 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:51,046 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-05 05:25:51,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374659384] [2021-06-05 05:25:51,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 05:25:51,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:51,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 05:25:51,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 05:25:51,046 INFO L87 Difference]: Start difference. First operand 43 states and 78 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:51,055 INFO L93 Difference]: Finished difference Result 99 states and 186 transitions. [2021-06-05 05:25:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 05:25:51,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-06-05 05:25:51,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:51,056 INFO L225 Difference]: With dead ends: 99 [2021-06-05 05:25:51,056 INFO L226 Difference]: Without dead ends: 92 [2021-06-05 05:25:51,056 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 05:25:51,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-06-05 05:25:51,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 69. [2021-06-05 05:25:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 2.0441176470588234) internal successors, (139), 68 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 139 transitions. [2021-06-05 05:25:51,059 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 139 transitions. Word has length 18 [2021-06-05 05:25:51,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:51,059 INFO L482 AbstractCegarLoop]: Abstraction has 69 states and 139 transitions. [2021-06-05 05:25:51,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 139 transitions. [2021-06-05 05:25:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-06-05 05:25:51,060 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:51,060 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:51,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:51,278 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:51,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:51,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1555556108, now seen corresponding path program 2 times [2021-06-05 05:25:51,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:51,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562563077] [2021-06-05 05:25:51,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:25:51,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:51,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562563077] [2021-06-05 05:25:51,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562563077] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 05:25:51,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 05:25:51,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 05:25:51,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414203963] [2021-06-05 05:25:51,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 05:25:51,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:51,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 05:25:51,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 05:25:51,320 INFO L87 Difference]: Start difference. First operand 69 states and 139 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:51,335 INFO L93 Difference]: Finished difference Result 118 states and 233 transitions. [2021-06-05 05:25:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 05:25:51,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-06-05 05:25:51,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:51,336 INFO L225 Difference]: With dead ends: 118 [2021-06-05 05:25:51,336 INFO L226 Difference]: Without dead ends: 111 [2021-06-05 05:25:51,336 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 05:25:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-06-05 05:25:51,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2021-06-05 05:25:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 2.1294117647058823) internal successors, (181), 85 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 181 transitions. [2021-06-05 05:25:51,348 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 181 transitions. Word has length 18 [2021-06-05 05:25:51,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:51,348 INFO L482 AbstractCegarLoop]: Abstraction has 86 states and 181 transitions. [2021-06-05 05:25:51,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 181 transitions. [2021-06-05 05:25:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 05:25:51,348 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:51,349 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:51,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 05:25:51,349 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:51,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1351545482, now seen corresponding path program 3 times [2021-06-05 05:25:51,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:51,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500422845] [2021-06-05 05:25:51,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:51,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:51,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500422845] [2021-06-05 05:25:51,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500422845] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:51,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808091136] [2021-06-05 05:25:51,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:51,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-05 05:25:51,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:51,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 05:25:51,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:51,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808091136] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:51,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:51,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-06-05 05:25:51,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613635844] [2021-06-05 05:25:51,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 05:25:51,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:51,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 05:25:51,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:25:51,559 INFO L87 Difference]: Start difference. First operand 86 states and 181 transitions. Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:51,846 INFO L93 Difference]: Finished difference Result 213 states and 407 transitions. [2021-06-05 05:25:51,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 05:25:51,847 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 05:25:51,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:51,848 INFO L225 Difference]: With dead ends: 213 [2021-06-05 05:25:51,848 INFO L226 Difference]: Without dead ends: 213 [2021-06-05 05:25:51,848 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 248.9ms TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2021-06-05 05:25:51,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-06-05 05:25:51,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 88. [2021-06-05 05:25:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 2.1494252873563218) internal successors, (187), 87 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 187 transitions. [2021-06-05 05:25:51,861 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 187 transitions. Word has length 20 [2021-06-05 05:25:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:51,861 INFO L482 AbstractCegarLoop]: Abstraction has 88 states and 187 transitions. [2021-06-05 05:25:51,861 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 187 transitions. [2021-06-05 05:25:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 05:25:51,862 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:51,862 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:52,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:52,073 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:52,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:52,074 INFO L82 PathProgramCache]: Analyzing trace with hash -265509966, now seen corresponding path program 4 times [2021-06-05 05:25:52,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:52,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125705711] [2021-06-05 05:25:52,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:52,134 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:52,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125705711] [2021-06-05 05:25:52,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125705711] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:52,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94420719] [2021-06-05 05:25:52,135 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:52,164 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:25:52,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:52,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 05:25:52,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:52,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94420719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:52,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:52,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-05 05:25:52,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171147514] [2021-06-05 05:25:52,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 05:25:52,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:52,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 05:25:52,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-05 05:25:52,279 INFO L87 Difference]: Start difference. First operand 88 states and 187 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:52,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:52,534 INFO L93 Difference]: Finished difference Result 257 states and 488 transitions. [2021-06-05 05:25:52,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 05:25:52,534 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 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 20 [2021-06-05 05:25:52,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:52,535 INFO L225 Difference]: With dead ends: 257 [2021-06-05 05:25:52,535 INFO L226 Difference]: Without dead ends: 234 [2021-06-05 05:25:52,536 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 247.2ms TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2021-06-05 05:25:52,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-06-05 05:25:52,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 108. [2021-06-05 05:25:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 2.149532710280374) internal successors, (230), 107 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 230 transitions. [2021-06-05 05:25:52,539 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 230 transitions. Word has length 20 [2021-06-05 05:25:52,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:52,539 INFO L482 AbstractCegarLoop]: Abstraction has 108 states and 230 transitions. [2021-06-05 05:25:52,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 12 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 230 transitions. [2021-06-05 05:25:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 05:25:52,540 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:52,540 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:52,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:52,758 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:52,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:52,758 INFO L82 PathProgramCache]: Analyzing trace with hash -698013310, now seen corresponding path program 5 times [2021-06-05 05:25:52,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:52,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594058778] [2021-06-05 05:25:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:52,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:52,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594058778] [2021-06-05 05:25:52,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594058778] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:52,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082119207] [2021-06-05 05:25:52,798 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:52,832 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 05:25:52,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:52,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 05:25:52,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:52,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:52,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082119207] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:52,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:52,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-05 05:25:52,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134575037] [2021-06-05 05:25:52,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 05:25:52,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:52,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 05:25:52,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-05 05:25:52,941 INFO L87 Difference]: Start difference. First operand 108 states and 230 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:53,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:53,170 INFO L93 Difference]: Finished difference Result 236 states and 462 transitions. [2021-06-05 05:25:53,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 05:25:53,170 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 05:25:53,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:53,171 INFO L225 Difference]: With dead ends: 236 [2021-06-05 05:25:53,171 INFO L226 Difference]: Without dead ends: 236 [2021-06-05 05:25:53,172 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 189.4ms TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:25:53,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-06-05 05:25:53,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 131. [2021-06-05 05:25:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 2.230769230769231) internal successors, (290), 130 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 290 transitions. [2021-06-05 05:25:53,176 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 290 transitions. Word has length 20 [2021-06-05 05:25:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:53,176 INFO L482 AbstractCegarLoop]: Abstraction has 131 states and 290 transitions. [2021-06-05 05:25:53,176 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 290 transitions. [2021-06-05 05:25:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 05:25:53,177 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:53,177 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:53,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-05 05:25:53,389 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:53,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:53,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2081911392, now seen corresponding path program 6 times [2021-06-05 05:25:53,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:53,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335147747] [2021-06-05 05:25:53,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:53,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:53,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335147747] [2021-06-05 05:25:53,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335147747] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:53,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365520546] [2021-06-05 05:25:53,429 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:53,453 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 05:25:53,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:53,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 05:25:53,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:53,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365520546] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:53,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:53,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-05 05:25:53,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702029108] [2021-06-05 05:25:53,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 05:25:53,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:53,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 05:25:53,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-06-05 05:25:53,560 INFO L87 Difference]: Start difference. First operand 131 states and 290 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:53,791 INFO L93 Difference]: Finished difference Result 208 states and 429 transitions. [2021-06-05 05:25:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 05:25:53,791 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 05:25:53,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:53,792 INFO L225 Difference]: With dead ends: 208 [2021-06-05 05:25:53,792 INFO L226 Difference]: Without dead ends: 204 [2021-06-05 05:25:53,792 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 197.9ms TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2021-06-05 05:25:53,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-06-05 05:25:53,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 133. [2021-06-05 05:25:53,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 2.212121212121212) internal successors, (292), 132 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 292 transitions. [2021-06-05 05:25:53,796 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 292 transitions. Word has length 20 [2021-06-05 05:25:53,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:53,797 INFO L482 AbstractCegarLoop]: Abstraction has 133 states and 292 transitions. [2021-06-05 05:25:53,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 292 transitions. [2021-06-05 05:25:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 05:25:53,797 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:53,797 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:54,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:54,013 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:54,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:54,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1866660490, now seen corresponding path program 7 times [2021-06-05 05:25:54,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:54,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419404258] [2021-06-05 05:25:54,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:25:54,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:54,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419404258] [2021-06-05 05:25:54,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419404258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:54,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894221727] [2021-06-05 05:25:54,063 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:54,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 05:25:54,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:54,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894221727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:54,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:54,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-05 05:25:54,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77801955] [2021-06-05 05:25:54,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 05:25:54,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:54,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 05:25:54,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-05 05:25:54,187 INFO L87 Difference]: Start difference. First operand 133 states and 292 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:54,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:54,445 INFO L93 Difference]: Finished difference Result 311 states and 632 transitions. [2021-06-05 05:25:54,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 05:25:54,445 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 05:25:54,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:54,447 INFO L225 Difference]: With dead ends: 311 [2021-06-05 05:25:54,447 INFO L226 Difference]: Without dead ends: 311 [2021-06-05 05:25:54,447 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 222.0ms TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:25:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-06-05 05:25:54,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 176. [2021-06-05 05:25:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 2.297142857142857) internal successors, (402), 175 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 402 transitions. [2021-06-05 05:25:54,452 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 402 transitions. Word has length 20 [2021-06-05 05:25:54,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:54,452 INFO L482 AbstractCegarLoop]: Abstraction has 176 states and 402 transitions. [2021-06-05 05:25:54,452 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 402 transitions. [2021-06-05 05:25:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 05:25:54,453 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:54,453 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:54,668 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:54,669 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:54,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:54,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1163855182, now seen corresponding path program 8 times [2021-06-05 05:25:54,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:54,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549474998] [2021-06-05 05:25:54,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:54,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:25:54,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:54,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549474998] [2021-06-05 05:25:54,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549474998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:54,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218345938] [2021-06-05 05:25:54,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:54,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:25:54,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:54,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 05:25:54,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:54,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218345938] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:54,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:54,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-05 05:25:54,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062275669] [2021-06-05 05:25:54,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 05:25:54,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:54,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 05:25:54,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-06-05 05:25:54,842 INFO L87 Difference]: Start difference. First operand 176 states and 402 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:55,018 INFO L93 Difference]: Finished difference Result 248 states and 522 transitions. [2021-06-05 05:25:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 05:25:55,019 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 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 20 [2021-06-05 05:25:55,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:55,020 INFO L225 Difference]: With dead ends: 248 [2021-06-05 05:25:55,020 INFO L226 Difference]: Without dead ends: 242 [2021-06-05 05:25:55,020 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 172.8ms TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2021-06-05 05:25:55,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-06-05 05:25:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 182. [2021-06-05 05:25:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 2.3259668508287294) internal successors, (421), 181 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 421 transitions. [2021-06-05 05:25:55,024 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 421 transitions. Word has length 20 [2021-06-05 05:25:55,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:55,024 INFO L482 AbstractCegarLoop]: Abstraction has 182 states and 421 transitions. [2021-06-05 05:25:55,024 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 421 transitions. [2021-06-05 05:25:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 05:25:55,025 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:55,025 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:55,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-05 05:25:55,233 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:55,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:55,233 INFO L82 PathProgramCache]: Analyzing trace with hash 482286172, now seen corresponding path program 9 times [2021-06-05 05:25:55,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:55,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327415889] [2021-06-05 05:25:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:55,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:25:55,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:55,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327415889] [2021-06-05 05:25:55,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327415889] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:55,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755985265] [2021-06-05 05:25:55,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:55,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-05 05:25:55,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:55,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 05:25:55,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:55,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755985265] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:55,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:55,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-05 05:25:55,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422238072] [2021-06-05 05:25:55,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-05 05:25:55,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:55,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-05 05:25:55,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-06-05 05:25:55,379 INFO L87 Difference]: Start difference. First operand 182 states and 421 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:55,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:55,605 INFO L93 Difference]: Finished difference Result 300 states and 621 transitions. [2021-06-05 05:25:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 05:25:55,605 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 05:25:55,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:55,607 INFO L225 Difference]: With dead ends: 300 [2021-06-05 05:25:55,607 INFO L226 Difference]: Without dead ends: 296 [2021-06-05 05:25:55,607 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 189.9ms TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:25:55,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-06-05 05:25:55,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 182. [2021-06-05 05:25:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 2.314917127071823) internal successors, (419), 181 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 419 transitions. [2021-06-05 05:25:55,612 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 419 transitions. Word has length 20 [2021-06-05 05:25:55,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:55,612 INFO L482 AbstractCegarLoop]: Abstraction has 182 states and 419 transitions. [2021-06-05 05:25:55,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 11 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:55,612 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 419 transitions. [2021-06-05 05:25:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-06-05 05:25:55,613 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:55,613 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:55,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:55,829 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:55,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:55,830 INFO L82 PathProgramCache]: Analyzing trace with hash -24060094, now seen corresponding path program 10 times [2021-06-05 05:25:55,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:55,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782874262] [2021-06-05 05:25:55,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:55,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:55,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:55,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782874262] [2021-06-05 05:25:55,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782874262] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:55,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298285423] [2021-06-05 05:25:55,869 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:55,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:25:55,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:55,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-05 05:25:55,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:55,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298285423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:55,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:55,977 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-05 05:25:55,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429104682] [2021-06-05 05:25:55,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-05 05:25:55,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:55,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-05 05:25:55,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-06-05 05:25:55,978 INFO L87 Difference]: Start difference. First operand 182 states and 419 transitions. Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:56,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:56,213 INFO L93 Difference]: Finished difference Result 296 states and 623 transitions. [2021-06-05 05:25:56,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 05:25:56,217 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-06-05 05:25:56,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:56,218 INFO L225 Difference]: With dead ends: 296 [2021-06-05 05:25:56,218 INFO L226 Difference]: Without dead ends: 284 [2021-06-05 05:25:56,218 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 210.1ms TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:25:56,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-06-05 05:25:56,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 193. [2021-06-05 05:25:56,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 2.3125) internal successors, (444), 192 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 444 transitions. [2021-06-05 05:25:56,222 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 444 transitions. Word has length 20 [2021-06-05 05:25:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:56,223 INFO L482 AbstractCegarLoop]: Abstraction has 193 states and 444 transitions. [2021-06-05 05:25:56,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 444 transitions. [2021-06-05 05:25:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 05:25:56,223 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:56,223 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:56,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-05 05:25:56,441 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:56,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:56,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1616828084, now seen corresponding path program 11 times [2021-06-05 05:25:56,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:56,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722729993] [2021-06-05 05:25:56,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:56,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:56,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722729993] [2021-06-05 05:25:56,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722729993] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:56,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285189204] [2021-06-05 05:25:56,479 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:56,512 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-05 05:25:56,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:56,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:25:56,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:56,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:56,559 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-06-05 05:25:56,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:25:56,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:56,567 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:25:56,567 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-06-05 05:25:56,658 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-06-05 05:25:56,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 16 [2021-06-05 05:25:56,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:25:56,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:56,672 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 05:25:56,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 18 [2021-06-05 05:25:56,675 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:25:56,678 INFO L628 ElimStorePlain]: treesize reduction 8, result has 27.3 percent of original size [2021-06-05 05:25:56,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:25:56,679 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-06-05 05:25:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:56,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285189204] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:56,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:56,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-06-05 05:25:56,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417264096] [2021-06-05 05:25:56,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 05:25:56,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:56,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 05:25:56,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 05:25:56,684 INFO L87 Difference]: Start difference. First operand 193 states and 444 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:56,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:56,711 INFO L93 Difference]: Finished difference Result 372 states and 809 transitions. [2021-06-05 05:25:56,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 05:25:56,712 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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 22 [2021-06-05 05:25:56,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:56,713 INFO L225 Difference]: With dead ends: 372 [2021-06-05 05:25:56,713 INFO L226 Difference]: Without dead ends: 365 [2021-06-05 05:25:56,713 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 42.9ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 05:25:56,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-06-05 05:25:56,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 263. [2021-06-05 05:25:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 262 states have (on average 2.377862595419847) internal successors, (623), 262 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 623 transitions. [2021-06-05 05:25:56,719 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 623 transitions. Word has length 22 [2021-06-05 05:25:56,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:56,719 INFO L482 AbstractCegarLoop]: Abstraction has 263 states and 623 transitions. [2021-06-05 05:25:56,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 623 transitions. [2021-06-05 05:25:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 05:25:56,719 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:56,720 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:56,935 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-05 05:25:56,936 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:56,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:56,936 INFO L82 PathProgramCache]: Analyzing trace with hash -462338892, now seen corresponding path program 12 times [2021-06-05 05:25:56,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:56,936 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745706792] [2021-06-05 05:25:56,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:25:56,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:56,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745706792] [2021-06-05 05:25:56,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745706792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:56,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97273533] [2021-06-05 05:25:56,961 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:57,006 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 05:25:57,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:57,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:25:57,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:57,071 INFO L446 ElimStorePlain]: Different costs {1=[f], 3=[f_inv]} [2021-06-05 05:25:57,075 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:57,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 38 [2021-06-05 05:25:57,082 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:25:57,093 INFO L628 ElimStorePlain]: treesize reduction 9, result has 71.9 percent of original size [2021-06-05 05:25:57,098 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:57,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2021-06-05 05:25:57,104 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:25:57,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:57,105 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:25:57,105 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:3 [2021-06-05 05:25:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:25:57,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97273533] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:57,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:57,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-06-05 05:25:57,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159156251] [2021-06-05 05:25:57,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 05:25:57,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:57,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 05:25:57,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 05:25:57,114 INFO L87 Difference]: Start difference. First operand 263 states and 623 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:57,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:57,148 INFO L93 Difference]: Finished difference Result 405 states and 917 transitions. [2021-06-05 05:25:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 05:25:57,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-06-05 05:25:57,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:57,150 INFO L225 Difference]: With dead ends: 405 [2021-06-05 05:25:57,150 INFO L226 Difference]: Without dead ends: 396 [2021-06-05 05:25:57,150 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 05:25:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-06-05 05:25:57,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 318. [2021-06-05 05:25:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 2.444794952681388) internal successors, (775), 317 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:57,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 775 transitions. [2021-06-05 05:25:57,157 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 775 transitions. Word has length 22 [2021-06-05 05:25:57,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:57,157 INFO L482 AbstractCegarLoop]: Abstraction has 318 states and 775 transitions. [2021-06-05 05:25:57,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 775 transitions. [2021-06-05 05:25:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-06-05 05:25:57,158 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:57,158 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:57,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:57,374 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:57,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:57,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2570572, now seen corresponding path program 13 times [2021-06-05 05:25:57,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:57,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917206762] [2021-06-05 05:25:57,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:25:57,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:57,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917206762] [2021-06-05 05:25:57,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917206762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:57,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51649103] [2021-06-05 05:25:57,410 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:57,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:25:57,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:57,470 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:57,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-06-05 05:25:57,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:25:57,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:25:57,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:25:57,476 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-06-05 05:25:57,543 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 05:25:57,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 18 [2021-06-05 05:25:57,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:25:57,548 INFO L628 ElimStorePlain]: treesize reduction 21, result has 12.5 percent of original size [2021-06-05 05:25:57,548 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-06-05 05:25:57,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:25:57,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-06-05 05:25:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:25:57,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51649103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:57,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:57,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-06-05 05:25:57,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843570214] [2021-06-05 05:25:57,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 05:25:57,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:57,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 05:25:57,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 05:25:57,557 INFO L87 Difference]: Start difference. First operand 318 states and 775 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:57,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:57,593 INFO L93 Difference]: Finished difference Result 499 states and 1143 transitions. [2021-06-05 05:25:57,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 05:25:57,594 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 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 22 [2021-06-05 05:25:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:57,595 INFO L225 Difference]: With dead ends: 499 [2021-06-05 05:25:57,595 INFO L226 Difference]: Without dead ends: 492 [2021-06-05 05:25:57,596 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 36.2ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 05:25:57,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-06-05 05:25:57,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 374. [2021-06-05 05:25:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 2.474530831099196) internal successors, (923), 373 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 923 transitions. [2021-06-05 05:25:57,604 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 923 transitions. Word has length 22 [2021-06-05 05:25:57,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:57,604 INFO L482 AbstractCegarLoop]: Abstraction has 374 states and 923 transitions. [2021-06-05 05:25:57,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 923 transitions. [2021-06-05 05:25:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:25:57,604 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:57,605 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:57,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-05 05:25:57,823 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:57,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:57,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1932504778, now seen corresponding path program 14 times [2021-06-05 05:25:57,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:57,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189523246] [2021-06-05 05:25:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:57,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:57,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189523246] [2021-06-05 05:25:57,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189523246] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:57,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070126904] [2021-06-05 05:25:57,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:57,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:25:57,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:57,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:25:57,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:58,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070126904] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:58,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:58,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-06-05 05:25:58,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613848099] [2021-06-05 05:25:58,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 05:25:58,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:58,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 05:25:58,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-06-05 05:25:58,018 INFO L87 Difference]: Start difference. First operand 374 states and 923 transitions. Second operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 17 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:58,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:58,455 INFO L93 Difference]: Finished difference Result 665 states and 1470 transitions. [2021-06-05 05:25:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 05:25:58,455 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 17 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:25:58,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:58,457 INFO L225 Difference]: With dead ends: 665 [2021-06-05 05:25:58,458 INFO L226 Difference]: Without dead ends: 665 [2021-06-05 05:25:58,458 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 358.6ms TimeCoverageRelationStatistics Valid=402, Invalid=1080, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 05:25:58,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-06-05 05:25:58,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 325. [2021-06-05 05:25:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 324 states have (on average 2.450617283950617) internal successors, (794), 324 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 794 transitions. [2021-06-05 05:25:58,466 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 794 transitions. Word has length 24 [2021-06-05 05:25:58,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:58,466 INFO L482 AbstractCegarLoop]: Abstraction has 325 states and 794 transitions. [2021-06-05 05:25:58,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 17 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 794 transitions. [2021-06-05 05:25:58,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:25:58,475 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:58,475 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:58,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:58,691 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:58,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:58,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1929426830, now seen corresponding path program 15 times [2021-06-05 05:25:58,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:58,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141558572] [2021-06-05 05:25:58,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:58,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:58,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141558572] [2021-06-05 05:25:58,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141558572] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:58,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324746095] [2021-06-05 05:25:58,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:58,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-05 05:25:58,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:58,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:25:58,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:58,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324746095] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:58,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:58,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-05 05:25:58,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112922916] [2021-06-05 05:25:58,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:25:58,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:58,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:25:58,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:25:58,877 INFO L87 Difference]: Start difference. First operand 325 states and 794 transitions. Second operand has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:25:59,406 INFO L93 Difference]: Finished difference Result 786 states and 1670 transitions. [2021-06-05 05:25:59,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 05:25:59,407 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:25:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:25:59,409 INFO L225 Difference]: With dead ends: 786 [2021-06-05 05:25:59,409 INFO L226 Difference]: Without dead ends: 742 [2021-06-05 05:25:59,409 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 463.1ms TimeCoverageRelationStatistics Valid=449, Invalid=1357, Unknown=0, NotChecked=0, Total=1806 [2021-06-05 05:25:59,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2021-06-05 05:25:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 342. [2021-06-05 05:25:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 2.4134897360703813) internal successors, (823), 341 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 823 transitions. [2021-06-05 05:25:59,419 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 823 transitions. Word has length 24 [2021-06-05 05:25:59,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:25:59,419 INFO L482 AbstractCegarLoop]: Abstraction has 342 states and 823 transitions. [2021-06-05 05:25:59,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:25:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 823 transitions. [2021-06-05 05:25:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:25:59,420 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:25:59,420 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:25:59,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-05 05:25:59,633 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:25:59,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:25:59,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1265887354, now seen corresponding path program 16 times [2021-06-05 05:25:59,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:25:59,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503436088] [2021-06-05 05:25:59,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:25:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:25:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:59,670 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:25:59,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503436088] [2021-06-05 05:25:59,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503436088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:59,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505639457] [2021-06-05 05:25:59,670 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:25:59,692 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:25:59,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:25:59,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:25:59,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:25:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:25:59,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505639457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:25:59,792 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:25:59,792 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-05 05:25:59,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363458971] [2021-06-05 05:25:59,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 05:25:59,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:25:59,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 05:25:59,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-05 05:25:59,794 INFO L87 Difference]: Start difference. First operand 342 states and 823 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:00,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:00,238 INFO L93 Difference]: Finished difference Result 742 states and 1645 transitions. [2021-06-05 05:26:00,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 05:26:00,241 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:00,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:00,243 INFO L225 Difference]: With dead ends: 742 [2021-06-05 05:26:00,243 INFO L226 Difference]: Without dead ends: 740 [2021-06-05 05:26:00,244 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 394.1ms TimeCoverageRelationStatistics Valid=387, Invalid=945, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 05:26:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-06-05 05:26:00,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 404. [2021-06-05 05:26:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 2.424317617866005) internal successors, (977), 403 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 977 transitions. [2021-06-05 05:26:00,253 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 977 transitions. Word has length 24 [2021-06-05 05:26:00,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:00,253 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 977 transitions. [2021-06-05 05:26:00,253 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:00,253 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 977 transitions. [2021-06-05 05:26:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:00,255 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:00,255 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:00,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-05 05:26:00,471 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:00,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:00,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1645181860, now seen corresponding path program 17 times [2021-06-05 05:26:00,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:00,471 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128877157] [2021-06-05 05:26:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:00,511 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:00,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:00,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128877157] [2021-06-05 05:26:00,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128877157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:00,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100684929] [2021-06-05 05:26:00,511 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:00,545 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 05:26:00,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:00,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:00,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:00,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100684929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:00,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:00,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-05 05:26:00,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71164287] [2021-06-05 05:26:00,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 05:26:00,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:00,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 05:26:00,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-06-05 05:26:00,649 INFO L87 Difference]: Start difference. First operand 404 states and 977 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:01,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:01,057 INFO L93 Difference]: Finished difference Result 548 states and 1247 transitions. [2021-06-05 05:26:01,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-05 05:26:01,061 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:01,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:01,062 INFO L225 Difference]: With dead ends: 548 [2021-06-05 05:26:01,062 INFO L226 Difference]: Without dead ends: 544 [2021-06-05 05:26:01,063 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 337.8ms TimeCoverageRelationStatistics Valid=356, Invalid=976, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 05:26:01,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2021-06-05 05:26:01,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 404. [2021-06-05 05:26:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 403 states have (on average 2.4218362282878414) internal successors, (976), 403 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 976 transitions. [2021-06-05 05:26:01,070 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 976 transitions. Word has length 24 [2021-06-05 05:26:01,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:01,070 INFO L482 AbstractCegarLoop]: Abstraction has 404 states and 976 transitions. [2021-06-05 05:26:01,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 976 transitions. [2021-06-05 05:26:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:01,070 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:01,071 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:01,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:01,281 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:01,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:01,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1445869170, now seen corresponding path program 18 times [2021-06-05 05:26:01,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:01,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764700165] [2021-06-05 05:26:01,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:01,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:01,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764700165] [2021-06-05 05:26:01,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764700165] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:01,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195209309] [2021-06-05 05:26:01,319 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:01,342 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 05:26:01,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:01,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:01,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:01,450 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:01,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195209309] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:01,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:01,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-05 05:26:01,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777097214] [2021-06-05 05:26:01,450 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 05:26:01,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:01,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 05:26:01,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-06-05 05:26:01,451 INFO L87 Difference]: Start difference. First operand 404 states and 976 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:01,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:01,799 INFO L93 Difference]: Finished difference Result 648 states and 1454 transitions. [2021-06-05 05:26:01,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 05:26:01,799 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:01,801 INFO L225 Difference]: With dead ends: 648 [2021-06-05 05:26:01,801 INFO L226 Difference]: Without dead ends: 636 [2021-06-05 05:26:01,801 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 284.1ms TimeCoverageRelationStatistics Valid=235, Invalid=695, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:26:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-06-05 05:26:01,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 426. [2021-06-05 05:26:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 425 states have (on average 2.4376470588235293) internal successors, (1036), 425 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1036 transitions. [2021-06-05 05:26:01,809 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1036 transitions. Word has length 24 [2021-06-05 05:26:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:01,809 INFO L482 AbstractCegarLoop]: Abstraction has 426 states and 1036 transitions. [2021-06-05 05:26:01,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1036 transitions. [2021-06-05 05:26:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:01,810 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:01,810 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:02,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-05 05:26:02,029 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:02,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:02,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1709303038, now seen corresponding path program 19 times [2021-06-05 05:26:02,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:02,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640866637] [2021-06-05 05:26:02,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:02,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:02,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640866637] [2021-06-05 05:26:02,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640866637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:02,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722446452] [2021-06-05 05:26:02,068 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:02,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:02,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:02,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722446452] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:02,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:02,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-05 05:26:02,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490911165] [2021-06-05 05:26:02,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 05:26:02,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:02,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 05:26:02,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-06-05 05:26:02,207 INFO L87 Difference]: Start difference. First operand 426 states and 1036 transitions. Second operand has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:02,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:02,616 INFO L93 Difference]: Finished difference Result 690 states and 1541 transitions. [2021-06-05 05:26:02,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 05:26:02,617 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:02,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:02,618 INFO L225 Difference]: With dead ends: 690 [2021-06-05 05:26:02,619 INFO L226 Difference]: Without dead ends: 676 [2021-06-05 05:26:02,619 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 358.4ms TimeCoverageRelationStatistics Valid=382, Invalid=1100, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 05:26:02,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2021-06-05 05:26:02,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 412. [2021-06-05 05:26:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 2.4184914841849148) internal successors, (994), 411 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 994 transitions. [2021-06-05 05:26:02,626 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 994 transitions. Word has length 24 [2021-06-05 05:26:02,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:02,626 INFO L482 AbstractCegarLoop]: Abstraction has 412 states and 994 transitions. [2021-06-05 05:26:02,626 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 994 transitions. [2021-06-05 05:26:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:02,627 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:02,627 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:02,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:02,841 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:02,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:02,841 INFO L82 PathProgramCache]: Analyzing trace with hash 919841334, now seen corresponding path program 20 times [2021-06-05 05:26:02,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:02,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466669476] [2021-06-05 05:26:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:02,894 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:02,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466669476] [2021-06-05 05:26:02,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466669476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:02,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679157516] [2021-06-05 05:26:02,895 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:02,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:02,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:02,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:02,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:03,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679157516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:03,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:03,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-05 05:26:03,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943661700] [2021-06-05 05:26:03,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:26:03,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:03,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:26:03,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:26:03,011 INFO L87 Difference]: Start difference. First operand 412 states and 994 transitions. Second operand has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:03,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:03,444 INFO L93 Difference]: Finished difference Result 791 states and 1734 transitions. [2021-06-05 05:26:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-05 05:26:03,445 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:03,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:03,447 INFO L225 Difference]: With dead ends: 791 [2021-06-05 05:26:03,447 INFO L226 Difference]: Without dead ends: 791 [2021-06-05 05:26:03,447 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 355.7ms TimeCoverageRelationStatistics Valid=414, Invalid=1068, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 05:26:03,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-06-05 05:26:03,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 429. [2021-06-05 05:26:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 428 states have (on average 2.397196261682243) internal successors, (1026), 428 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 1026 transitions. [2021-06-05 05:26:03,455 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 1026 transitions. Word has length 24 [2021-06-05 05:26:03,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:03,455 INFO L482 AbstractCegarLoop]: Abstraction has 429 states and 1026 transitions. [2021-06-05 05:26:03,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:03,455 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1026 transitions. [2021-06-05 05:26:03,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:03,456 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:03,456 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:03,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-06-05 05:26:03,656 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:03,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:03,657 INFO L82 PathProgramCache]: Analyzing trace with hash 2005876850, now seen corresponding path program 21 times [2021-06-05 05:26:03,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:03,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681344723] [2021-06-05 05:26:03,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:03,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:03,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681344723] [2021-06-05 05:26:03,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681344723] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:03,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987780907] [2021-06-05 05:26:03,697 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:03,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-05 05:26:03,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:03,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:03,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:03,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987780907] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:03,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:03,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-05 05:26:03,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657585417] [2021-06-05 05:26:03,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 05:26:03,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:03,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 05:26:03,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-06-05 05:26:03,839 INFO L87 Difference]: Start difference. First operand 429 states and 1026 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:04,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:04,194 INFO L93 Difference]: Finished difference Result 588 states and 1296 transitions. [2021-06-05 05:26:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 05:26:04,195 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 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 24 [2021-06-05 05:26:04,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:04,196 INFO L225 Difference]: With dead ends: 588 [2021-06-05 05:26:04,196 INFO L226 Difference]: Without dead ends: 570 [2021-06-05 05:26:04,196 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 306.4ms TimeCoverageRelationStatistics Valid=286, Invalid=904, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 05:26:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-06-05 05:26:04,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 423. [2021-06-05 05:26:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 2.3981042654028437) internal successors, (1012), 422 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 1012 transitions. [2021-06-05 05:26:04,203 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 1012 transitions. Word has length 24 [2021-06-05 05:26:04,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:04,203 INFO L482 AbstractCegarLoop]: Abstraction has 423 states and 1012 transitions. [2021-06-05 05:26:04,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:04,203 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1012 transitions. [2021-06-05 05:26:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:04,204 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:04,204 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:04,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-06-05 05:26:04,417 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:04,417 INFO L82 PathProgramCache]: Analyzing trace with hash 198787894, now seen corresponding path program 22 times [2021-06-05 05:26:04,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:04,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957548315] [2021-06-05 05:26:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:04,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:04,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957548315] [2021-06-05 05:26:04,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957548315] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:04,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605166341] [2021-06-05 05:26:04,458 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:04,480 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:26:04,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:04,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:04,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:04,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605166341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:04,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:04,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-05 05:26:04,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496970050] [2021-06-05 05:26:04,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 05:26:04,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:04,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 05:26:04,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-06-05 05:26:04,580 INFO L87 Difference]: Start difference. First operand 423 states and 1012 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:05,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:05,042 INFO L93 Difference]: Finished difference Result 898 states and 2037 transitions. [2021-06-05 05:26:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 05:26:05,042 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:05,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:05,044 INFO L225 Difference]: With dead ends: 898 [2021-06-05 05:26:05,044 INFO L226 Difference]: Without dead ends: 898 [2021-06-05 05:26:05,045 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 424.3ms TimeCoverageRelationStatistics Valid=520, Invalid=1202, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 05:26:05,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2021-06-05 05:26:05,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 622. [2021-06-05 05:26:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 621 states have (on average 2.4621578099838968) internal successors, (1529), 621 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1529 transitions. [2021-06-05 05:26:05,054 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1529 transitions. Word has length 24 [2021-06-05 05:26:05,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:05,054 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 1529 transitions. [2021-06-05 05:26:05,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:05,054 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1529 transitions. [2021-06-05 05:26:05,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:05,055 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:05,055 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:05,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:05,269 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:05,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:05,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1747232740, now seen corresponding path program 23 times [2021-06-05 05:26:05,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:05,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666512191] [2021-06-05 05:26:05,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:05,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:05,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666512191] [2021-06-05 05:26:05,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666512191] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:05,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863752757] [2021-06-05 05:26:05,303 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:05,327 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 05:26:05,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:05,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:05,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:05,430 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:05,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863752757] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:05,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:05,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-06-05 05:26:05,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164145793] [2021-06-05 05:26:05,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-05 05:26:05,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:05,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-05 05:26:05,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-06-05 05:26:05,431 INFO L87 Difference]: Start difference. First operand 622 states and 1529 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:05,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:05,816 INFO L93 Difference]: Finished difference Result 871 states and 1982 transitions. [2021-06-05 05:26:05,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 05:26:05,817 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:05,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:05,819 INFO L225 Difference]: With dead ends: 871 [2021-06-05 05:26:05,819 INFO L226 Difference]: Without dead ends: 867 [2021-06-05 05:26:05,819 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 354.1ms TimeCoverageRelationStatistics Valid=342, Invalid=848, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 05:26:05,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2021-06-05 05:26:05,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 622. [2021-06-05 05:26:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 621 states have (on average 2.4557165861513686) internal successors, (1525), 621 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1525 transitions. [2021-06-05 05:26:05,829 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1525 transitions. Word has length 24 [2021-06-05 05:26:05,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:05,829 INFO L482 AbstractCegarLoop]: Abstraction has 622 states and 1525 transitions. [2021-06-05 05:26:05,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1525 transitions. [2021-06-05 05:26:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:05,830 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:05,830 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:06,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-05 05:26:06,038 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:06,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:06,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2041388290, now seen corresponding path program 24 times [2021-06-05 05:26:06,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:06,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572021446] [2021-06-05 05:26:06,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:06,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:06,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572021446] [2021-06-05 05:26:06,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572021446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:06,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318454153] [2021-06-05 05:26:06,074 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:06,106 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-05 05:26:06,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:06,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:06,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:06,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318454153] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:06,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:06,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-06-05 05:26:06,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148866572] [2021-06-05 05:26:06,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 05:26:06,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:06,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 05:26:06,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-06-05 05:26:06,207 INFO L87 Difference]: Start difference. First operand 622 states and 1525 transitions. Second operand has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:06,582 INFO L93 Difference]: Finished difference Result 948 states and 2156 transitions. [2021-06-05 05:26:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 05:26:06,582 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:06,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:06,585 INFO L225 Difference]: With dead ends: 948 [2021-06-05 05:26:06,585 INFO L226 Difference]: Without dead ends: 936 [2021-06-05 05:26:06,585 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 328.8ms TimeCoverageRelationStatistics Valid=355, Invalid=977, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 05:26:06,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-06-05 05:26:06,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 675. [2021-06-05 05:26:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 674 states have (on average 2.4614243323442135) internal successors, (1659), 674 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1659 transitions. [2021-06-05 05:26:06,595 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1659 transitions. Word has length 24 [2021-06-05 05:26:06,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:06,595 INFO L482 AbstractCegarLoop]: Abstraction has 675 states and 1659 transitions. [2021-06-05 05:26:06,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1659 transitions. [2021-06-05 05:26:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-06-05 05:26:06,596 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:06,596 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:06,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:06,805 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:06,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:06,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1814166910, now seen corresponding path program 25 times [2021-06-05 05:26:06,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:06,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458177063] [2021-06-05 05:26:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:06,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:06,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458177063] [2021-06-05 05:26:06,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458177063] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:06,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081907983] [2021-06-05 05:26:06,848 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-05 05:26:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:06,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-05 05:26:06,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:06,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081907983] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:06,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:06,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-05 05:26:06,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344748378] [2021-06-05 05:26:06,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:26:06,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:06,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:26:06,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:26:06,984 INFO L87 Difference]: Start difference. First operand 675 states and 1659 transitions. Second operand has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:07,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:07,409 INFO L93 Difference]: Finished difference Result 948 states and 2180 transitions. [2021-06-05 05:26:07,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-05 05:26:07,409 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-06-05 05:26:07,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:07,412 INFO L225 Difference]: With dead ends: 948 [2021-06-05 05:26:07,412 INFO L226 Difference]: Without dead ends: 928 [2021-06-05 05:26:07,412 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 370.5ms TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-06-05 05:26:07,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-06-05 05:26:07,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 699. [2021-06-05 05:26:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 2.4713467048710602) internal successors, (1725), 698 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1725 transitions. [2021-06-05 05:26:07,430 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1725 transitions. Word has length 24 [2021-06-05 05:26:07,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:07,430 INFO L482 AbstractCegarLoop]: Abstraction has 699 states and 1725 transitions. [2021-06-05 05:26:07,430 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.235294117647059) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1725 transitions. [2021-06-05 05:26:07,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 05:26:07,431 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:07,431 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:07,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-05 05:26:07,641 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:07,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:07,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1660693108, now seen corresponding path program 26 times [2021-06-05 05:26:07,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:07,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663576189] [2021-06-05 05:26:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:07,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:07,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663576189] [2021-06-05 05:26:07,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663576189] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:07,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239153298] [2021-06-05 05:26:07,662 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:07,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:07,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:07,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-05 05:26:07,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:07,732 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 05:26:07,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 41 [2021-06-05 05:26:07,734 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:07,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:07,748 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:07,749 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 05:26:07,914 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 05:26:07,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 22 [2021-06-05 05:26:07,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:07,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:07,933 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 05:26:07,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 23 [2021-06-05 05:26:07,935 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:07,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:07,957 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 05:26:07,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 05:26:07,959 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:07,964 INFO L628 ElimStorePlain]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 05:26:07,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:07,964 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:103, output treesize:3 [2021-06-05 05:26:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:07,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239153298] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:07,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:07,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-05 05:26:07,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969748921] [2021-06-05 05:26:07,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 05:26:07,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:07,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 05:26:07,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 05:26:07,970 INFO L87 Difference]: Start difference. First operand 699 states and 1725 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:08,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:08,037 INFO L93 Difference]: Finished difference Result 1114 states and 2614 transitions. [2021-06-05 05:26:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 05:26:08,037 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 05:26:08,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:08,040 INFO L225 Difference]: With dead ends: 1114 [2021-06-05 05:26:08,040 INFO L226 Difference]: Without dead ends: 1107 [2021-06-05 05:26:08,041 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 103.9ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 05:26:08,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2021-06-05 05:26:08,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 866. [2021-06-05 05:26:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 865 states have (on average 2.4959537572254336) internal successors, (2159), 865 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2159 transitions. [2021-06-05 05:26:08,053 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2159 transitions. Word has length 26 [2021-06-05 05:26:08,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:08,053 INFO L482 AbstractCegarLoop]: Abstraction has 866 states and 2159 transitions. [2021-06-05 05:26:08,053 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2159 transitions. [2021-06-05 05:26:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 05:26:08,054 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:08,054 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:08,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-05 05:26:08,277 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:08,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:08,277 INFO L82 PathProgramCache]: Analyzing trace with hash -439799948, now seen corresponding path program 27 times [2021-06-05 05:26:08,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:08,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450235510] [2021-06-05 05:26:08,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:08,301 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:08,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450235510] [2021-06-05 05:26:08,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450235510] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:08,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91075052] [2021-06-05 05:26:08,301 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:08,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 05:26:08,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:08,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-05 05:26:08,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:08,408 INFO L354 Elim1Store]: treesize reduction 37, result has 44.8 percent of original size [2021-06-05 05:26:08,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 52 [2021-06-05 05:26:08,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:08,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:38 [2021-06-05 05:26:08,475 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 05:26:08,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 13 [2021-06-05 05:26:08,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,481 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 05:26:08,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 14 [2021-06-05 05:26:08,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,489 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 05:26:08,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 17 [2021-06-05 05:26:08,491 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,494 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 05:26:08,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 18 [2021-06-05 05:26:08,495 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:08,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,497 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:103, output treesize:3 [2021-06-05 05:26:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:08,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91075052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:08,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:08,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-05 05:26:08,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260861770] [2021-06-05 05:26:08,504 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 05:26:08,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:08,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 05:26:08,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 05:26:08,505 INFO L87 Difference]: Start difference. First operand 866 states and 2159 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:08,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:08,546 INFO L93 Difference]: Finished difference Result 1174 states and 2826 transitions. [2021-06-05 05:26:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 05:26:08,546 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 05:26:08,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:08,549 INFO L225 Difference]: With dead ends: 1174 [2021-06-05 05:26:08,549 INFO L226 Difference]: Without dead ends: 1158 [2021-06-05 05:26:08,551 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 53.4ms TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-05 05:26:08,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-06-05 05:26:08,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 972. [2021-06-05 05:26:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 971 states have (on average 2.532440782698249) internal successors, (2459), 971 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 2459 transitions. [2021-06-05 05:26:08,565 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 2459 transitions. Word has length 26 [2021-06-05 05:26:08,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:08,565 INFO L482 AbstractCegarLoop]: Abstraction has 972 states and 2459 transitions. [2021-06-05 05:26:08,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 2459 transitions. [2021-06-05 05:26:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 05:26:08,566 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:08,566 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:08,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-06-05 05:26:08,781 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:08,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:08,781 INFO L82 PathProgramCache]: Analyzing trace with hash -318369164, now seen corresponding path program 28 times [2021-06-05 05:26:08,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:08,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927692965] [2021-06-05 05:26:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:08,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:08,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927692965] [2021-06-05 05:26:08,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927692965] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:08,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216280201] [2021-06-05 05:26:08,806 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:08,829 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:26:08,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:08,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-05 05:26:08,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:08,921 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-06-05 05:26:08,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 43 [2021-06-05 05:26:08,928 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:08,935 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:08,935 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:32 [2021-06-05 05:26:09,033 INFO L446 ElimStorePlain]: Different costs {1=[f], 3=[v_prenex_13]} [2021-06-05 05:26:09,044 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 05:26:09,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2021-06-05 05:26:09,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:09,048 INFO L628 ElimStorePlain]: treesize reduction 30, result has 9.1 percent of original size [2021-06-05 05:26:09,048 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-06-05 05:26:09,049 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:09,049 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:3 [2021-06-05 05:26:09,065 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:09,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216280201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:09,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:09,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-05 05:26:09,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711984039] [2021-06-05 05:26:09,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 05:26:09,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:09,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 05:26:09,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 05:26:09,066 INFO L87 Difference]: Start difference. First operand 972 states and 2459 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:09,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:09,147 INFO L93 Difference]: Finished difference Result 1360 states and 3305 transitions. [2021-06-05 05:26:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 05:26:09,148 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 05:26:09,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:09,151 INFO L225 Difference]: With dead ends: 1360 [2021-06-05 05:26:09,151 INFO L226 Difference]: Without dead ends: 1335 [2021-06-05 05:26:09,151 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 107.7ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 05:26:09,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-06-05 05:26:09,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1089. [2021-06-05 05:26:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1088 states have (on average 2.557904411764706) internal successors, (2783), 1088 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 2783 transitions. [2021-06-05 05:26:09,166 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 2783 transitions. Word has length 26 [2021-06-05 05:26:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:09,166 INFO L482 AbstractCegarLoop]: Abstraction has 1089 states and 2783 transitions. [2021-06-05 05:26:09,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 2783 transitions. [2021-06-05 05:26:09,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 05:26:09,168 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:09,168 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:09,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:09,381 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:09,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:09,381 INFO L82 PathProgramCache]: Analyzing trace with hash 412497268, now seen corresponding path program 29 times [2021-06-05 05:26:09,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:09,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622281444] [2021-06-05 05:26:09,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:09,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:09,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622281444] [2021-06-05 05:26:09,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622281444] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:09,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457076902] [2021-06-05 05:26:09,404 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:09,431 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-05 05:26:09,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:09,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-05 05:26:09,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:09,476 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-06-05 05:26:09,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 41 [2021-06-05 05:26:09,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:09,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:09,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:09,486 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-05 05:26:09,639 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 05:26:09,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 22 [2021-06-05 05:26:09,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:09,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:09,662 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-06-05 05:26:09,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 23 [2021-06-05 05:26:09,664 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:09,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:09,685 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 05:26:09,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 33 [2021-06-05 05:26:09,687 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:09,691 INFO L628 ElimStorePlain]: treesize reduction 16, result has 15.8 percent of original size [2021-06-05 05:26:09,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:09,691 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:103, output treesize:3 [2021-06-05 05:26:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:09,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457076902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:09,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:09,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2021-06-05 05:26:09,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237540242] [2021-06-05 05:26:09,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 05:26:09,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:09,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 05:26:09,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 05:26:09,699 INFO L87 Difference]: Start difference. First operand 1089 states and 2783 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:09,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:09,761 INFO L93 Difference]: Finished difference Result 1527 states and 3735 transitions. [2021-06-05 05:26:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 05:26:09,761 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 05:26:09,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:09,766 INFO L225 Difference]: With dead ends: 1527 [2021-06-05 05:26:09,766 INFO L226 Difference]: Without dead ends: 1520 [2021-06-05 05:26:09,766 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 95.3ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-05 05:26:09,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2021-06-05 05:26:09,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1225. [2021-06-05 05:26:09,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 1224 states have (on average 2.5784313725490198) internal successors, (3156), 1224 states have internal predecessors, (3156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:09,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 3156 transitions. [2021-06-05 05:26:09,784 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 3156 transitions. Word has length 26 [2021-06-05 05:26:09,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:09,784 INFO L482 AbstractCegarLoop]: Abstraction has 1225 states and 3156 transitions. [2021-06-05 05:26:09,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:09,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3156 transitions. [2021-06-05 05:26:09,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:09,785 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:09,786 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:10,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-05 05:26:10,002 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:10,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:10,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1387752458, now seen corresponding path program 30 times [2021-06-05 05:26:10,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:10,003 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067402102] [2021-06-05 05:26:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:10,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:10,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067402102] [2021-06-05 05:26:10,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067402102] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:10,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794608329] [2021-06-05 05:26:10,075 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:10,103 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-05 05:26:10,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:10,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:10,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:10,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794608329] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:10,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:10,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2021-06-05 05:26:10,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578568655] [2021-06-05 05:26:10,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 05:26:10,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:10,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 05:26:10,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-06-05 05:26:10,268 INFO L87 Difference]: Start difference. First operand 1225 states and 3156 transitions. Second operand has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:10,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:10,971 INFO L93 Difference]: Finished difference Result 1761 states and 4199 transitions. [2021-06-05 05:26:10,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 05:26:10,971 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:10,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:10,976 INFO L225 Difference]: With dead ends: 1761 [2021-06-05 05:26:10,976 INFO L226 Difference]: Without dead ends: 1761 [2021-06-05 05:26:10,977 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 613.8ms TimeCoverageRelationStatistics Valid=757, Invalid=2105, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 05:26:10,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2021-06-05 05:26:10,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1090. [2021-06-05 05:26:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 2.5629017447199267) internal successors, (2791), 1089 states have internal predecessors, (2791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:10,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 2791 transitions. [2021-06-05 05:26:10,993 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 2791 transitions. Word has length 28 [2021-06-05 05:26:10,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:10,993 INFO L482 AbstractCegarLoop]: Abstraction has 1090 states and 2791 transitions. [2021-06-05 05:26:10,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2791 transitions. [2021-06-05 05:26:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:10,995 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:10,995 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:11,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:11,213 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:11,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:11,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1570155570, now seen corresponding path program 31 times [2021-06-05 05:26:11,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:11,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581914959] [2021-06-05 05:26:11,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:11,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:11,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581914959] [2021-06-05 05:26:11,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581914959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:11,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20797612] [2021-06-05 05:26:11,278 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:11,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:11,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:11,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20797612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:11,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:11,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 05:26:11,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713380088] [2021-06-05 05:26:11,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 05:26:11,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:11,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 05:26:11,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-06-05 05:26:11,441 INFO L87 Difference]: Start difference. First operand 1090 states and 2791 transitions. Second operand has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:12,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:12,327 INFO L93 Difference]: Finished difference Result 2078 states and 4785 transitions. [2021-06-05 05:26:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-05 05:26:12,327 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:12,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:12,331 INFO L225 Difference]: With dead ends: 2078 [2021-06-05 05:26:12,331 INFO L226 Difference]: Without dead ends: 2007 [2021-06-05 05:26:12,332 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 811.2ms TimeCoverageRelationStatistics Valid=946, Invalid=3086, Unknown=0, NotChecked=0, Total=4032 [2021-06-05 05:26:12,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2021-06-05 05:26:12,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1154. [2021-06-05 05:26:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 2.5481352992194277) internal successors, (2938), 1153 states have internal predecessors, (2938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:12,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 2938 transitions. [2021-06-05 05:26:12,352 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 2938 transitions. Word has length 28 [2021-06-05 05:26:12,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:12,352 INFO L482 AbstractCegarLoop]: Abstraction has 1154 states and 2938 transitions. [2021-06-05 05:26:12,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 20 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 2938 transitions. [2021-06-05 05:26:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:12,353 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:12,353 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:12,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:12,569 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:12,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:12,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1031109750, now seen corresponding path program 32 times [2021-06-05 05:26:12,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:12,569 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056676793] [2021-06-05 05:26:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:12,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:12,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056676793] [2021-06-05 05:26:12,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056676793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:12,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95793172] [2021-06-05 05:26:12,609 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:12,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:12,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:12,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:12,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:12,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95793172] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:12,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:12,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-05 05:26:12,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090812346] [2021-06-05 05:26:12,774 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 05:26:12,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:12,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 05:26:12,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-06-05 05:26:12,775 INFO L87 Difference]: Start difference. First operand 1154 states and 2938 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:13,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:13,525 INFO L93 Difference]: Finished difference Result 2302 states and 5553 transitions. [2021-06-05 05:26:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-05 05:26:13,525 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:13,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:13,528 INFO L225 Difference]: With dead ends: 2302 [2021-06-05 05:26:13,529 INFO L226 Difference]: Without dead ends: 2294 [2021-06-05 05:26:13,529 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 651.1ms TimeCoverageRelationStatistics Valid=836, Invalid=2134, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 05:26:13,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2021-06-05 05:26:13,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 1436. [2021-06-05 05:26:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1435 states have (on average 2.5491289198606273) internal successors, (3658), 1435 states have internal predecessors, (3658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 3658 transitions. [2021-06-05 05:26:13,549 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 3658 transitions. Word has length 28 [2021-06-05 05:26:13,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:13,549 INFO L482 AbstractCegarLoop]: Abstraction has 1436 states and 3658 transitions. [2021-06-05 05:26:13,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 3658 transitions. [2021-06-05 05:26:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:13,551 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:13,551 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:13,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-06-05 05:26:13,751 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:13,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:13,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1879959464, now seen corresponding path program 33 times [2021-06-05 05:26:13,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:13,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013317841] [2021-06-05 05:26:13,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:13,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:13,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013317841] [2021-06-05 05:26:13,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013317841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:13,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523805819] [2021-06-05 05:26:13,793 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:13,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-05 05:26:13,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:13,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:13,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:13,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523805819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:13,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:13,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-05 05:26:13,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346452787] [2021-06-05 05:26:13,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 05:26:13,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:13,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 05:26:13,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-06-05 05:26:13,964 INFO L87 Difference]: Start difference. First operand 1436 states and 3658 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:14,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:14,563 INFO L93 Difference]: Finished difference Result 1661 states and 4081 transitions. [2021-06-05 05:26:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 05:26:14,564 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:14,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:14,566 INFO L225 Difference]: With dead ends: 1661 [2021-06-05 05:26:14,566 INFO L226 Difference]: Without dead ends: 1657 [2021-06-05 05:26:14,567 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 566.7ms TimeCoverageRelationStatistics Valid=647, Invalid=1903, Unknown=0, NotChecked=0, Total=2550 [2021-06-05 05:26:14,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2021-06-05 05:26:14,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1436. [2021-06-05 05:26:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1435 states have (on average 2.5477351916376305) internal successors, (3656), 1435 states have internal predecessors, (3656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 3656 transitions. [2021-06-05 05:26:14,583 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 3656 transitions. Word has length 28 [2021-06-05 05:26:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:14,583 INFO L482 AbstractCegarLoop]: Abstraction has 1436 states and 3656 transitions. [2021-06-05 05:26:14,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 3656 transitions. [2021-06-05 05:26:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:14,585 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:14,585 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:14,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:14,797 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:14,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:14,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1630957874, now seen corresponding path program 34 times [2021-06-05 05:26:14,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:14,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600817366] [2021-06-05 05:26:14,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:14,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:14,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600817366] [2021-06-05 05:26:14,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600817366] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:14,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774488808] [2021-06-05 05:26:14,843 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:14,867 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:26:14,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:14,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:14,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:14,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774488808] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:14,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:14,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-05 05:26:14,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864081820] [2021-06-05 05:26:14,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 05:26:14,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:14,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 05:26:14,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-06-05 05:26:14,987 INFO L87 Difference]: Start difference. First operand 1436 states and 3656 transitions. Second operand has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:15,469 INFO L93 Difference]: Finished difference Result 2041 states and 4979 transitions. [2021-06-05 05:26:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 05:26:15,469 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:15,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:15,472 INFO L225 Difference]: With dead ends: 2041 [2021-06-05 05:26:15,472 INFO L226 Difference]: Without dead ends: 2026 [2021-06-05 05:26:15,472 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 400.0ms TimeCoverageRelationStatistics Valid=421, Invalid=1301, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 05:26:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2021-06-05 05:26:15,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 1482. [2021-06-05 05:26:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 1481 states have (on average 2.553004726536124) internal successors, (3781), 1481 states have internal predecessors, (3781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 3781 transitions. [2021-06-05 05:26:15,492 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 3781 transitions. Word has length 28 [2021-06-05 05:26:15,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:15,492 INFO L482 AbstractCegarLoop]: Abstraction has 1482 states and 3781 transitions. [2021-06-05 05:26:15,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 3781 transitions. [2021-06-05 05:26:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:15,494 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:15,494 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:15,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-06-05 05:26:15,694 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:15,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:15,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1524214334, now seen corresponding path program 35 times [2021-06-05 05:26:15,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:15,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119103741] [2021-06-05 05:26:15,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:15,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:15,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119103741] [2021-06-05 05:26:15,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119103741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:15,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117130229] [2021-06-05 05:26:15,735 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:15,762 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-05 05:26:15,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:15,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:15,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:15,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117130229] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:15,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:15,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-06-05 05:26:15,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328056597] [2021-06-05 05:26:15,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 05:26:15,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:15,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 05:26:15,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-06-05 05:26:15,902 INFO L87 Difference]: Start difference. First operand 1482 states and 3781 transitions. Second operand has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:16,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:16,527 INFO L93 Difference]: Finished difference Result 1955 states and 4722 transitions. [2021-06-05 05:26:16,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 05:26:16,528 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:16,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:16,531 INFO L225 Difference]: With dead ends: 1955 [2021-06-05 05:26:16,531 INFO L226 Difference]: Without dead ends: 1941 [2021-06-05 05:26:16,531 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 568.3ms TimeCoverageRelationStatistics Valid=680, Invalid=2076, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 05:26:16,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2021-06-05 05:26:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1492. [2021-06-05 05:26:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1491 states have (on average 2.551307847082495) internal successors, (3804), 1491 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 3804 transitions. [2021-06-05 05:26:16,556 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 3804 transitions. Word has length 28 [2021-06-05 05:26:16,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:16,556 INFO L482 AbstractCegarLoop]: Abstraction has 1492 states and 3804 transitions. [2021-06-05 05:26:16,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 3804 transitions. [2021-06-05 05:26:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:16,558 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:16,558 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:16,768 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:16,769 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:16,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1020569282, now seen corresponding path program 36 times [2021-06-05 05:26:16,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:16,769 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882746952] [2021-06-05 05:26:16,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:16,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:16,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882746952] [2021-06-05 05:26:16,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882746952] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:16,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980586988] [2021-06-05 05:26:16,815 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:16,842 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 05:26:16,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:16,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:16,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:16,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980586988] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:16,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:16,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-05 05:26:16,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772155813] [2021-06-05 05:26:16,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:26:16,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:16,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:26:16,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:26:16,972 INFO L87 Difference]: Start difference. First operand 1492 states and 3804 transitions. Second operand has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:17,583 INFO L93 Difference]: Finished difference Result 2120 states and 5066 transitions. [2021-06-05 05:26:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 05:26:17,583 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:17,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:17,586 INFO L225 Difference]: With dead ends: 2120 [2021-06-05 05:26:17,586 INFO L226 Difference]: Without dead ends: 2094 [2021-06-05 05:26:17,587 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 566.0ms TimeCoverageRelationStatistics Valid=724, Invalid=2246, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 05:26:17,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2021-06-05 05:26:17,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1363. [2021-06-05 05:26:17,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1362 states have (on average 2.530102790014684) internal successors, (3446), 1362 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 3446 transitions. [2021-06-05 05:26:17,605 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 3446 transitions. Word has length 28 [2021-06-05 05:26:17,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:17,605 INFO L482 AbstractCegarLoop]: Abstraction has 1363 states and 3446 transitions. [2021-06-05 05:26:17,605 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 3446 transitions. [2021-06-05 05:26:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:17,607 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:17,607 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:17,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-06-05 05:26:17,821 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:17,821 INFO L82 PathProgramCache]: Analyzing trace with hash 873893366, now seen corresponding path program 37 times [2021-06-05 05:26:17,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:17,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393411507] [2021-06-05 05:26:17,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:17,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:17,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393411507] [2021-06-05 05:26:17,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393411507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:17,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595653983] [2021-06-05 05:26:17,885 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:17,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:17,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:18,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595653983] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:18,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:18,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 05:26:18,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569133122] [2021-06-05 05:26:18,069 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 05:26:18,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:18,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 05:26:18,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-06-05 05:26:18,070 INFO L87 Difference]: Start difference. First operand 1363 states and 3446 transitions. Second operand has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:18,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:18,679 INFO L93 Difference]: Finished difference Result 2078 states and 4835 transitions. [2021-06-05 05:26:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 05:26:18,680 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:18,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:18,682 INFO L225 Difference]: With dead ends: 2078 [2021-06-05 05:26:18,682 INFO L226 Difference]: Without dead ends: 2078 [2021-06-05 05:26:18,683 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 579.9ms TimeCoverageRelationStatistics Valid=756, Invalid=2106, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 05:26:18,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2021-06-05 05:26:18,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1171. [2021-06-05 05:26:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1170 states have (on average 2.500854700854701) internal successors, (2926), 1170 states have internal predecessors, (2926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2926 transitions. [2021-06-05 05:26:18,698 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2926 transitions. Word has length 28 [2021-06-05 05:26:18,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:18,698 INFO L482 AbstractCegarLoop]: Abstraction has 1171 states and 2926 transitions. [2021-06-05 05:26:18,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2926 transitions. [2021-06-05 05:26:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:18,699 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:18,699 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:18,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-06-05 05:26:18,913 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:18,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:18,913 INFO L82 PathProgramCache]: Analyzing trace with hash 876971314, now seen corresponding path program 38 times [2021-06-05 05:26:18,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:18,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056704767] [2021-06-05 05:26:18,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:18,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:18,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056704767] [2021-06-05 05:26:18,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056704767] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:18,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792782393] [2021-06-05 05:26:18,959 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:18,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:18,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:18,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:18,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:19,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792782393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:19,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:19,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-05 05:26:19,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876239419] [2021-06-05 05:26:19,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:26:19,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:19,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:26:19,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:26:19,119 INFO L87 Difference]: Start difference. First operand 1171 states and 2926 transitions. Second operand has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:19,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:19,728 INFO L93 Difference]: Finished difference Result 1575 states and 3659 transitions. [2021-06-05 05:26:19,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-05 05:26:19,728 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 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 28 [2021-06-05 05:26:19,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:19,730 INFO L225 Difference]: With dead ends: 1575 [2021-06-05 05:26:19,730 INFO L226 Difference]: Without dead ends: 1536 [2021-06-05 05:26:19,731 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 550.2ms TimeCoverageRelationStatistics Valid=599, Invalid=2053, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 05:26:19,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2021-06-05 05:26:19,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1078. [2021-06-05 05:26:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 1077 states have (on average 2.4753946146703805) internal successors, (2666), 1077 states have internal predecessors, (2666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 2666 transitions. [2021-06-05 05:26:19,744 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 2666 transitions. Word has length 28 [2021-06-05 05:26:19,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:19,744 INFO L482 AbstractCegarLoop]: Abstraction has 1078 states and 2666 transitions. [2021-06-05 05:26:19,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2666 transitions. [2021-06-05 05:26:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:19,745 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:19,745 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:19,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:19,953 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:19,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:19,953 INFO L82 PathProgramCache]: Analyzing trace with hash 706414582, now seen corresponding path program 39 times [2021-06-05 05:26:19,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:19,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872748056] [2021-06-05 05:26:19,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:20,005 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:20,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872748056] [2021-06-05 05:26:20,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872748056] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:20,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584891951] [2021-06-05 05:26:20,005 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:20,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 05:26:20,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:20,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:20,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:20,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584891951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:20,157 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:20,157 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-05 05:26:20,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482102038] [2021-06-05 05:26:20,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:26:20,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:20,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:26:20,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:26:20,158 INFO L87 Difference]: Start difference. First operand 1078 states and 2666 transitions. Second operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:20,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:20,863 INFO L93 Difference]: Finished difference Result 1983 states and 4574 transitions. [2021-06-05 05:26:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-05 05:26:20,864 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:20,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:20,867 INFO L225 Difference]: With dead ends: 1983 [2021-06-05 05:26:20,867 INFO L226 Difference]: Without dead ends: 1983 [2021-06-05 05:26:20,868 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 617.7ms TimeCoverageRelationStatistics Valid=892, Invalid=2300, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 05:26:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2021-06-05 05:26:20,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1181. [2021-06-05 05:26:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 1180 states have (on average 2.440677966101695) internal successors, (2880), 1180 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2880 transitions. [2021-06-05 05:26:20,883 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2880 transitions. Word has length 28 [2021-06-05 05:26:20,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:20,883 INFO L482 AbstractCegarLoop]: Abstraction has 1181 states and 2880 transitions. [2021-06-05 05:26:20,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 19 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2880 transitions. [2021-06-05 05:26:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:20,885 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:20,885 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:21,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:21,101 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:21,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:21,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1792450098, now seen corresponding path program 40 times [2021-06-05 05:26:21,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:21,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415403881] [2021-06-05 05:26:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:21,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:21,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415403881] [2021-06-05 05:26:21,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415403881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:21,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532277326] [2021-06-05 05:26:21,143 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:21,166 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:26:21,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:21,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:21,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:21,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532277326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:21,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:21,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-06-05 05:26:21,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194398218] [2021-06-05 05:26:21,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 05:26:21,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:21,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 05:26:21,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-06-05 05:26:21,307 INFO L87 Difference]: Start difference. First operand 1181 states and 2880 transitions. Second operand has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:21,871 INFO L93 Difference]: Finished difference Result 1515 states and 3517 transitions. [2021-06-05 05:26:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-05 05:26:21,871 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 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 28 [2021-06-05 05:26:21,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:21,873 INFO L225 Difference]: With dead ends: 1515 [2021-06-05 05:26:21,873 INFO L226 Difference]: Without dead ends: 1497 [2021-06-05 05:26:21,873 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 502.5ms TimeCoverageRelationStatistics Valid=519, Invalid=1737, Unknown=0, NotChecked=0, Total=2256 [2021-06-05 05:26:21,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-06-05 05:26:21,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1209. [2021-06-05 05:26:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1208 states have (on average 2.447019867549669) internal successors, (2956), 1208 states have internal predecessors, (2956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 2956 transitions. [2021-06-05 05:26:21,886 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 2956 transitions. Word has length 28 [2021-06-05 05:26:21,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:21,886 INFO L482 AbstractCegarLoop]: Abstraction has 1209 states and 2956 transitions. [2021-06-05 05:26:21,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2956 transitions. [2021-06-05 05:26:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:21,888 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:21,888 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:22,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:22,104 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:22,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:22,104 INFO L82 PathProgramCache]: Analyzing trace with hash -352976394, now seen corresponding path program 41 times [2021-06-05 05:26:22,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:22,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389262237] [2021-06-05 05:26:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:22,149 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:22,149 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389262237] [2021-06-05 05:26:22,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389262237] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:22,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747955557] [2021-06-05 05:26:22,150 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:22,174 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-05 05:26:22,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:22,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:22,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:22,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747955557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:22,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:22,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-06-05 05:26:22,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264185779] [2021-06-05 05:26:22,322 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 05:26:22,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:22,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 05:26:22,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-06-05 05:26:22,322 INFO L87 Difference]: Start difference. First operand 1209 states and 2956 transitions. Second operand has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:23,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:23,088 INFO L93 Difference]: Finished difference Result 2391 states and 5676 transitions. [2021-06-05 05:26:23,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-05 05:26:23,088 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:23,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:23,090 INFO L225 Difference]: With dead ends: 2391 [2021-06-05 05:26:23,090 INFO L226 Difference]: Without dead ends: 2391 [2021-06-05 05:26:23,090 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 688.7ms TimeCoverageRelationStatistics Valid=1080, Invalid=2580, Unknown=0, NotChecked=0, Total=3660 [2021-06-05 05:26:23,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2021-06-05 05:26:23,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 1853. [2021-06-05 05:26:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1852 states have (on average 2.5) internal successors, (4630), 1852 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 4630 transitions. [2021-06-05 05:26:23,114 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 4630 transitions. Word has length 28 [2021-06-05 05:26:23,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:23,114 INFO L482 AbstractCegarLoop]: Abstraction has 1853 states and 4630 transitions. [2021-06-05 05:26:23,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 4630 transitions. [2021-06-05 05:26:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:23,116 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:23,116 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:23,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:23,329 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:23,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:23,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1995970268, now seen corresponding path program 42 times [2021-06-05 05:26:23,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:23,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054520710] [2021-06-05 05:26:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:23,365 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:23,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:23,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054520710] [2021-06-05 05:26:23,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054520710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:23,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050014122] [2021-06-05 05:26:23,365 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:23,394 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-05 05:26:23,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:23,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:23,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:23,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050014122] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:23,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:23,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-06-05 05:26:23,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582927467] [2021-06-05 05:26:23,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 05:26:23,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:23,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 05:26:23,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-06-05 05:26:23,536 INFO L87 Difference]: Start difference. First operand 1853 states and 4630 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:24,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:24,043 INFO L93 Difference]: Finished difference Result 2323 states and 5527 transitions. [2021-06-05 05:26:24,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 05:26:24,043 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:24,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:24,045 INFO L225 Difference]: With dead ends: 2323 [2021-06-05 05:26:24,045 INFO L226 Difference]: Without dead ends: 2319 [2021-06-05 05:26:24,045 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 461.7ms TimeCoverageRelationStatistics Valid=634, Invalid=1622, Unknown=0, NotChecked=0, Total=2256 [2021-06-05 05:26:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2021-06-05 05:26:24,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 1827. [2021-06-05 05:26:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1827 states, 1826 states have (on average 2.4961664841182913) internal successors, (4558), 1826 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:24,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 4558 transitions. [2021-06-05 05:26:24,066 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 4558 transitions. Word has length 28 [2021-06-05 05:26:24,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:24,066 INFO L482 AbstractCegarLoop]: Abstraction has 1827 states and 4558 transitions. [2021-06-05 05:26:24,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 4558 transitions. [2021-06-05 05:26:24,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:24,068 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:24,068 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:24,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:24,285 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:24,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:24,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1489624002, now seen corresponding path program 43 times [2021-06-05 05:26:24,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:24,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213216841] [2021-06-05 05:26:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:24,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:24,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213216841] [2021-06-05 05:26:24,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213216841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:24,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638223199] [2021-06-05 05:26:24,329 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:24,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:24,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:24,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638223199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:24,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:24,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-06-05 05:26:24,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841425481] [2021-06-05 05:26:24,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-05 05:26:24,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:24,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-05 05:26:24,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-06-05 05:26:24,500 INFO L87 Difference]: Start difference. First operand 1827 states and 4558 transitions. Second operand has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:25,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:25,089 INFO L93 Difference]: Finished difference Result 2472 states and 5895 transitions. [2021-06-05 05:26:25,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 05:26:25,089 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:25,091 INFO L225 Difference]: With dead ends: 2472 [2021-06-05 05:26:25,091 INFO L226 Difference]: Without dead ends: 2460 [2021-06-05 05:26:25,091 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 507.4ms TimeCoverageRelationStatistics Valid=613, Invalid=1739, Unknown=0, NotChecked=0, Total=2352 [2021-06-05 05:26:25,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2021-06-05 05:26:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 1976. [2021-06-05 05:26:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1976 states, 1975 states have (on average 2.5063291139240507) internal successors, (4950), 1975 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 4950 transitions. [2021-06-05 05:26:25,113 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 4950 transitions. Word has length 28 [2021-06-05 05:26:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:25,113 INFO L482 AbstractCegarLoop]: Abstraction has 1976 states and 4950 transitions. [2021-06-05 05:26:25,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 4950 transitions. [2021-06-05 05:26:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:25,115 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:25,115 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:25,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:25,317 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:25,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:25,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1262402622, now seen corresponding path program 44 times [2021-06-05 05:26:25,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:25,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728951736] [2021-06-05 05:26:25,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:25,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:25,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728951736] [2021-06-05 05:26:25,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728951736] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:25,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763022111] [2021-06-05 05:26:25,378 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:25,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:25,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:25,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:25,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:25,526 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:25,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763022111] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:25,526 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:25,526 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-05 05:26:25,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280310720] [2021-06-05 05:26:25,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:26:25,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:25,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:26:25,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:26:25,527 INFO L87 Difference]: Start difference. First operand 1976 states and 4950 transitions. Second operand has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:26,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:26,116 INFO L93 Difference]: Finished difference Result 2770 states and 6589 transitions. [2021-06-05 05:26:26,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-05 05:26:26,117 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:26,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:26,119 INFO L225 Difference]: With dead ends: 2770 [2021-06-05 05:26:26,119 INFO L226 Difference]: Without dead ends: 2750 [2021-06-05 05:26:26,120 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 540.7ms TimeCoverageRelationStatistics Valid=662, Invalid=1990, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 05:26:26,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2021-06-05 05:26:26,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2206. [2021-06-05 05:26:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 2205 states have (on average 2.510204081632653) internal successors, (5535), 2205 states have internal predecessors, (5535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:26,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 5535 transitions. [2021-06-05 05:26:26,147 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 5535 transitions. Word has length 28 [2021-06-05 05:26:26,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:26,147 INFO L482 AbstractCegarLoop]: Abstraction has 2206 states and 5535 transitions. [2021-06-05 05:26:26,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 5535 transitions. [2021-06-05 05:26:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-06-05 05:26:26,149 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:26,149 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:26,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-06-05 05:26:26,350 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:26,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:26,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1945988538, now seen corresponding path program 45 times [2021-06-05 05:26:26,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:26,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172233015] [2021-06-05 05:26:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:26,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:26,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172233015] [2021-06-05 05:26:26,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172233015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:26,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536915733] [2021-06-05 05:26:26,410 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:26,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-05 05:26:26,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:26,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-05 05:26:26,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:26,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536915733] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:26,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:26,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-05 05:26:26,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402287737] [2021-06-05 05:26:26,566 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 05:26:26,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:26,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 05:26:26,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-06-05 05:26:26,566 INFO L87 Difference]: Start difference. First operand 2206 states and 5535 transitions. Second operand has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:27,211 INFO L93 Difference]: Finished difference Result 2769 states and 6659 transitions. [2021-06-05 05:26:27,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-05 05:26:27,211 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-06-05 05:26:27,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:27,214 INFO L225 Difference]: With dead ends: 2769 [2021-06-05 05:26:27,214 INFO L226 Difference]: Without dead ends: 2741 [2021-06-05 05:26:27,214 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 589.5ms TimeCoverageRelationStatistics Valid=778, Invalid=2414, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 05:26:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2021-06-05 05:26:27,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2259. [2021-06-05 05:26:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2259 states, 2258 states have (on average 2.5230292294065544) internal successors, (5697), 2258 states have internal predecessors, (5697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 5697 transitions. [2021-06-05 05:26:27,242 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 5697 transitions. Word has length 28 [2021-06-05 05:26:27,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:27,242 INFO L482 AbstractCegarLoop]: Abstraction has 2259 states and 5697 transitions. [2021-06-05 05:26:27,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 20 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 5697 transitions. [2021-06-05 05:26:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 05:26:27,245 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:27,245 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:27,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-06-05 05:26:27,445 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:27,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:27,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1181662516, now seen corresponding path program 46 times [2021-06-05 05:26:27,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:27,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171344466] [2021-06-05 05:26:27,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:27,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:27,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171344466] [2021-06-05 05:26:27,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171344466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:27,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009594263] [2021-06-05 05:26:27,473 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:27,496 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:26:27,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:27,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 05:26:27,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:27,558 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-06-05 05:26:27,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 65 [2021-06-05 05:26:27,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:27,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:27,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:27,573 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:92 [2021-06-05 05:26:27,794 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2021-06-05 05:26:28,015 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-06-05 05:26:28,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 31 [2021-06-05 05:26:28,016 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,053 INFO L628 ElimStorePlain]: treesize reduction 53, result has 71.5 percent of original size [2021-06-05 05:26:28,074 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-06-05 05:26:28,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 52 [2021-06-05 05:26:28,076 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,082 INFO L628 ElimStorePlain]: treesize reduction 86, result has 3.4 percent of original size [2021-06-05 05:26:28,082 INFO L518 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2021-06-05 05:26:28,082 INFO L518 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2021-06-05 05:26:28,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,082 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:242, output treesize:3 [2021-06-05 05:26:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:28,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009594263] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:28,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:28,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 05:26:28,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348324659] [2021-06-05 05:26:28,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 05:26:28,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:28,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 05:26:28,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:28,088 INFO L87 Difference]: Start difference. First operand 2259 states and 5697 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:28,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:28,262 INFO L93 Difference]: Finished difference Result 2998 states and 7342 transitions. [2021-06-05 05:26:28,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 05:26:28,262 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-06-05 05:26:28,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:28,265 INFO L225 Difference]: With dead ends: 2998 [2021-06-05 05:26:28,265 INFO L226 Difference]: Without dead ends: 2991 [2021-06-05 05:26:28,265 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 271.3ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:28,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2021-06-05 05:26:28,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2615. [2021-06-05 05:26:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 2614 states have (on average 2.5355776587605203) internal successors, (6628), 2614 states have internal predecessors, (6628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 6628 transitions. [2021-06-05 05:26:28,296 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 6628 transitions. Word has length 30 [2021-06-05 05:26:28,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:28,296 INFO L482 AbstractCegarLoop]: Abstraction has 2615 states and 6628 transitions. [2021-06-05 05:26:28,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 6628 transitions. [2021-06-05 05:26:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 05:26:28,298 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:28,298 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:28,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-06-05 05:26:28,513 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:28,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:28,513 INFO L82 PathProgramCache]: Analyzing trace with hash 61643060, now seen corresponding path program 47 times [2021-06-05 05:26:28,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:28,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076672060] [2021-06-05 05:26:28,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:28,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:28,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076672060] [2021-06-05 05:26:28,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076672060] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:28,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278156125] [2021-06-05 05:26:28,547 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:28,575 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 05:26:28,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:28,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-05 05:26:28,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:28,710 INFO L354 Elim1Store]: treesize reduction 116, result has 35.9 percent of original size [2021-06-05 05:26:28,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 82 treesize of output 97 [2021-06-05 05:26:28,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:28,733 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,733 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:88 [2021-06-05 05:26:28,808 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 05:26:28,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 1 [2021-06-05 05:26:28,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,819 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-06-05 05:26:28,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 25 [2021-06-05 05:26:28,820 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,827 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 05:26:28,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 20 [2021-06-05 05:26:28,828 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,834 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 05:26:28,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 17 [2021-06-05 05:26:28,836 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,846 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-06-05 05:26:28,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 29 [2021-06-05 05:26:28,847 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,854 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 05:26:28,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 24 [2021-06-05 05:26:28,855 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,861 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 05:26:28,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 24 [2021-06-05 05:26:28,862 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,866 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 05:26:28,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 13 [2021-06-05 05:26:28,867 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,873 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-06-05 05:26:28,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 21 [2021-06-05 05:26:28,874 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,877 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-06-05 05:26:28,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 28 [2021-06-05 05:26:28,878 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:28,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:28,879 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:431, output treesize:3 [2021-06-05 05:26:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:28,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278156125] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:28,886 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:28,886 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 05:26:28,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709668071] [2021-06-05 05:26:28,887 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 05:26:28,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:28,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 05:26:28,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:28,887 INFO L87 Difference]: Start difference. First operand 2615 states and 6628 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:28,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:28,951 INFO L93 Difference]: Finished difference Result 3125 states and 7770 transitions. [2021-06-05 05:26:28,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 05:26:28,952 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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 30 [2021-06-05 05:26:28,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:28,955 INFO L225 Difference]: With dead ends: 3125 [2021-06-05 05:26:28,955 INFO L226 Difference]: Without dead ends: 3109 [2021-06-05 05:26:28,955 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 113.4ms TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2021-06-05 05:26:28,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2831. [2021-06-05 05:26:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2830 states have (on average 2.5547703180212014) internal successors, (7230), 2830 states have internal predecessors, (7230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 7230 transitions. [2021-06-05 05:26:28,997 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 7230 transitions. Word has length 30 [2021-06-05 05:26:28,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:28,997 INFO L482 AbstractCegarLoop]: Abstraction has 2831 states and 7230 transitions. [2021-06-05 05:26:28,997 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 7230 transitions. [2021-06-05 05:26:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 05:26:28,999 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:28,999 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:29,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:29,210 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:29,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:29,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1458216244, now seen corresponding path program 48 times [2021-06-05 05:26:29,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:29,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699646836] [2021-06-05 05:26:29,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:29,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:29,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699646836] [2021-06-05 05:26:29,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699646836] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:29,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110755251] [2021-06-05 05:26:29,234 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:29,261 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:26:29,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:29,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-05 05:26:29,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:29,376 INFO L446 ElimStorePlain]: Different costs {10=[f], 15=[f_inv]} [2021-06-05 05:26:29,404 INFO L354 Elim1Store]: treesize reduction 45, result has 44.4 percent of original size [2021-06-05 05:26:29,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 123 treesize of output 96 [2021-06-05 05:26:29,461 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:26:29,487 INFO L628 ElimStorePlain]: treesize reduction 11, result has 91.0 percent of original size [2021-06-05 05:26:29,503 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:29,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 96 [2021-06-05 05:26:29,529 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:29,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:29,531 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:29,531 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:3 [2021-06-05 05:26:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:29,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110755251] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:29,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:29,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 05:26:29,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520798756] [2021-06-05 05:26:29,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 05:26:29,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:29,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 05:26:29,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:29,539 INFO L87 Difference]: Start difference. First operand 2831 states and 7230 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:29,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:29,639 INFO L93 Difference]: Finished difference Result 3299 states and 8293 transitions. [2021-06-05 05:26:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 05:26:29,639 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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 30 [2021-06-05 05:26:29,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:29,643 INFO L225 Difference]: With dead ends: 3299 [2021-06-05 05:26:29,643 INFO L226 Difference]: Without dead ends: 3281 [2021-06-05 05:26:29,643 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 94.1ms TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:29,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-06-05 05:26:29,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3017. [2021-06-05 05:26:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 3016 states have (on average 2.570954907161804) internal successors, (7754), 3016 states have internal predecessors, (7754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 7754 transitions. [2021-06-05 05:26:29,680 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 7754 transitions. Word has length 30 [2021-06-05 05:26:29,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:29,680 INFO L482 AbstractCegarLoop]: Abstraction has 3017 states and 7754 transitions. [2021-06-05 05:26:29,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 7754 transitions. [2021-06-05 05:26:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 05:26:29,683 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:29,683 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:29,899 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-06-05 05:26:29,899 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:29,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:29,899 INFO L82 PathProgramCache]: Analyzing trace with hash -759717580, now seen corresponding path program 49 times [2021-06-05 05:26:29,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:29,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071170861] [2021-06-05 05:26:29,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:29,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:29,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071170861] [2021-06-05 05:26:29,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071170861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:29,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655688888] [2021-06-05 05:26:29,925 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-05 05:26:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:29,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 05:26:29,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:30,038 INFO L354 Elim1Store]: treesize reduction 16, result has 70.9 percent of original size [2021-06-05 05:26:30,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 69 [2021-06-05 05:26:30,040 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:30,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:30,052 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:30,053 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:78, output treesize:66 [2021-06-05 05:26:30,271 INFO L446 ElimStorePlain]: Different costs {3=[f], 6=[v_prenex_32, v_prenex_31]} [2021-06-05 05:26:30,282 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:30,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-05 05:26:30,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:30,289 INFO L628 ElimStorePlain]: treesize reduction 89, result has 3.3 percent of original size [2021-06-05 05:26:30,289 INFO L518 ElimStorePlain]: Eliminatee v_prenex_32 vanished before elimination [2021-06-05 05:26:30,289 INFO L518 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2021-06-05 05:26:30,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:30,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:108, output treesize:3 [2021-06-05 05:26:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:30,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655688888] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:30,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:30,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 05:26:30,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591418371] [2021-06-05 05:26:30,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 05:26:30,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:30,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 05:26:30,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:30,298 INFO L87 Difference]: Start difference. First operand 3017 states and 7754 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:30,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:30,434 INFO L93 Difference]: Finished difference Result 3711 states and 9322 transitions. [2021-06-05 05:26:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 05:26:30,435 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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 30 [2021-06-05 05:26:30,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:30,438 INFO L225 Difference]: With dead ends: 3711 [2021-06-05 05:26:30,438 INFO L226 Difference]: Without dead ends: 3682 [2021-06-05 05:26:30,438 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 189.1ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:30,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2021-06-05 05:26:30,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3254. [2021-06-05 05:26:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 3253 states have (on average 2.5853058715032278) internal successors, (8410), 3253 states have internal predecessors, (8410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 8410 transitions. [2021-06-05 05:26:30,481 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 8410 transitions. Word has length 30 [2021-06-05 05:26:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:30,481 INFO L482 AbstractCegarLoop]: Abstraction has 3254 states and 8410 transitions. [2021-06-05 05:26:30,482 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:30,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 8410 transitions. [2021-06-05 05:26:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-05 05:26:30,484 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:30,484 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:30,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-06-05 05:26:30,685 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:30,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:30,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1890343628, now seen corresponding path program 50 times [2021-06-05 05:26:30,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:30,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6404214] [2021-06-05 05:26:30,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:30,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:30,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6404214] [2021-06-05 05:26:30,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6404214] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:30,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53974860] [2021-06-05 05:26:30,715 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:30,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:30,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:30,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-05 05:26:30,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:30,810 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-06-05 05:26:30,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 65 [2021-06-05 05:26:30,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:30,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:30,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:30,827 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:92 [2021-06-05 05:26:31,166 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-06-05 05:26:31,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 31 [2021-06-05 05:26:31,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:31,205 INFO L628 ElimStorePlain]: treesize reduction 51, result has 72.6 percent of original size [2021-06-05 05:26:31,216 INFO L354 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2021-06-05 05:26:31,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 29 [2021-06-05 05:26:31,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:31,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:26:31,254 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-06-05 05:26:31,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 52 [2021-06-05 05:26:31,256 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:26:31,261 INFO L628 ElimStorePlain]: treesize reduction 59, result has 4.8 percent of original size [2021-06-05 05:26:31,261 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-06-05 05:26:31,262 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:26:31,262 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:242, output treesize:3 [2021-06-05 05:26:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:26:31,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53974860] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:31,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:31,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 14 [2021-06-05 05:26:31,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116383700] [2021-06-05 05:26:31,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 05:26:31,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:31,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 05:26:31,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:31,270 INFO L87 Difference]: Start difference. First operand 3254 states and 8410 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:31,388 INFO L93 Difference]: Finished difference Result 3930 states and 9906 transitions. [2021-06-05 05:26:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 05:26:31,388 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 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 30 [2021-06-05 05:26:31,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:31,393 INFO L225 Difference]: With dead ends: 3930 [2021-06-05 05:26:31,393 INFO L226 Difference]: Without dead ends: 3923 [2021-06-05 05:26:31,393 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 198.7ms TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-05 05:26:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3923 states. [2021-06-05 05:26:31,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3923 to 3481. [2021-06-05 05:26:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 3480 states have (on average 2.5977011494252875) internal successors, (9040), 3480 states have internal predecessors, (9040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 9040 transitions. [2021-06-05 05:26:31,442 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 9040 transitions. Word has length 30 [2021-06-05 05:26:31,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:31,443 INFO L482 AbstractCegarLoop]: Abstraction has 3481 states and 9040 transitions. [2021-06-05 05:26:31,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 9040 transitions. [2021-06-05 05:26:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:31,446 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:31,446 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:31,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:31,657 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:31,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1501992374, now seen corresponding path program 51 times [2021-06-05 05:26:31,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:31,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449856261] [2021-06-05 05:26:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:31,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:31,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449856261] [2021-06-05 05:26:31,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449856261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:31,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311439712] [2021-06-05 05:26:31,736 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:31,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 05:26:31,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:31,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:31,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:31,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311439712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:31,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:31,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-06-05 05:26:31,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274001609] [2021-06-05 05:26:31,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 05:26:31,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:31,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 05:26:31,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2021-06-05 05:26:31,955 INFO L87 Difference]: Start difference. First operand 3481 states and 9040 transitions. Second operand has 26 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:32,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:32,931 INFO L93 Difference]: Finished difference Result 4394 states and 10868 transitions. [2021-06-05 05:26:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 05:26:32,932 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 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 32 [2021-06-05 05:26:32,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:32,936 INFO L225 Difference]: With dead ends: 4394 [2021-06-05 05:26:32,936 INFO L226 Difference]: Without dead ends: 4394 [2021-06-05 05:26:32,937 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 851.6ms TimeCoverageRelationStatistics Valid=1299, Invalid=3671, Unknown=0, NotChecked=0, Total=4970 [2021-06-05 05:26:32,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2021-06-05 05:26:32,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 3164. [2021-06-05 05:26:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3164 states, 3163 states have (on average 2.5861523869743914) internal successors, (8180), 3163 states have internal predecessors, (8180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 8180 transitions. [2021-06-05 05:26:32,978 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 8180 transitions. Word has length 32 [2021-06-05 05:26:32,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:32,978 INFO L482 AbstractCegarLoop]: Abstraction has 3164 states and 8180 transitions. [2021-06-05 05:26:32,978 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.230769230769231) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 8180 transitions. [2021-06-05 05:26:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:32,981 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:32,981 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:33,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable169 [2021-06-05 05:26:33,182 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:33,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:33,182 INFO L82 PathProgramCache]: Analyzing trace with hash 783257330, now seen corresponding path program 52 times [2021-06-05 05:26:33,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:33,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798811398] [2021-06-05 05:26:33,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:33,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:33,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798811398] [2021-06-05 05:26:33,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798811398] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:33,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79074765] [2021-06-05 05:26:33,309 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 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:33,332 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:26:33,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:33,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:33,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:33,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79074765] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:33,603 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:33,603 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-05 05:26:33,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587829595] [2021-06-05 05:26:33,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 05:26:33,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:33,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 05:26:33,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2021-06-05 05:26:33,603 INFO L87 Difference]: Start difference. First operand 3164 states and 8180 transitions. Second operand has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:35,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:35,012 INFO L93 Difference]: Finished difference Result 5243 states and 12644 transitions. [2021-06-05 05:26:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-05 05:26:35,013 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 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 32 [2021-06-05 05:26:35,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:35,017 INFO L225 Difference]: With dead ends: 5243 [2021-06-05 05:26:35,017 INFO L226 Difference]: Without dead ends: 5139 [2021-06-05 05:26:35,018 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2425 ImplicationChecksByTransitivity, 1378.6ms TimeCoverageRelationStatistics Valid=1756, Invalid=6076, Unknown=0, NotChecked=0, Total=7832 [2021-06-05 05:26:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2021-06-05 05:26:35,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 3339. [2021-06-05 05:26:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3339 states, 3338 states have (on average 2.5820850808867584) internal successors, (8619), 3338 states have internal predecessors, (8619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 3339 states and 8619 transitions. [2021-06-05 05:26:35,070 INFO L78 Accepts]: Start accepts. Automaton has 3339 states and 8619 transitions. Word has length 32 [2021-06-05 05:26:35,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:35,070 INFO L482 AbstractCegarLoop]: Abstraction has 3339 states and 8619 transitions. [2021-06-05 05:26:35,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 24 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 8619 transitions. [2021-06-05 05:26:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:35,073 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:35,073 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:35,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:35,274 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:35,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:35,275 INFO L82 PathProgramCache]: Analyzing trace with hash 325676430, now seen corresponding path program 53 times [2021-06-05 05:26:35,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:35,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321717188] [2021-06-05 05:26:35,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:35,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:35,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321717188] [2021-06-05 05:26:35,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321717188] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:35,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257265203] [2021-06-05 05:26:35,338 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 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:35,365 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 05:26:35,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:35,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:35,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:35,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257265203] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:35,531 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:35,531 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-06-05 05:26:35,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023037389] [2021-06-05 05:26:35,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 05:26:35,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:35,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 05:26:35,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2021-06-05 05:26:35,531 INFO L87 Difference]: Start difference. First operand 3339 states and 8619 transitions. Second operand has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:36,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:36,729 INFO L93 Difference]: Finished difference Result 6359 states and 15875 transitions. [2021-06-05 05:26:36,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 05:26:36,729 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:26:36,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:36,736 INFO L225 Difference]: With dead ends: 6359 [2021-06-05 05:26:36,736 INFO L226 Difference]: Without dead ends: 6347 [2021-06-05 05:26:36,736 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1905 ImplicationChecksByTransitivity, 1057.5ms TimeCoverageRelationStatistics Valid=1604, Invalid=4248, Unknown=0, NotChecked=0, Total=5852 [2021-06-05 05:26:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6347 states. [2021-06-05 05:26:36,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6347 to 4305. [2021-06-05 05:26:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4305 states, 4304 states have (on average 2.5820167286245352) internal successors, (11113), 4304 states have internal predecessors, (11113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 11113 transitions. [2021-06-05 05:26:36,804 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 11113 transitions. Word has length 32 [2021-06-05 05:26:36,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:36,804 INFO L482 AbstractCegarLoop]: Abstraction has 4305 states and 11113 transitions. [2021-06-05 05:26:36,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 11113 transitions. [2021-06-05 05:26:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:36,809 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:36,809 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:37,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable171 [2021-06-05 05:26:37,018 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:37,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:37,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1058221652, now seen corresponding path program 54 times [2021-06-05 05:26:37,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:37,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164074501] [2021-06-05 05:26:37,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:37,074 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:37,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:37,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164074501] [2021-06-05 05:26:37,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164074501] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:37,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274683249] [2021-06-05 05:26:37,074 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 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:37,106 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:26:37,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:37,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:37,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:37,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274683249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:37,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:37,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-06-05 05:26:37,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945704747] [2021-06-05 05:26:37,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 05:26:37,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:37,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 05:26:37,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-06-05 05:26:37,284 INFO L87 Difference]: Start difference. First operand 4305 states and 11113 transitions. Second operand has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:38,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:38,260 INFO L93 Difference]: Finished difference Result 4664 states and 11802 transitions. [2021-06-05 05:26:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 05:26:38,261 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:26:38,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:38,265 INFO L225 Difference]: With dead ends: 4664 [2021-06-05 05:26:38,265 INFO L226 Difference]: Without dead ends: 4660 [2021-06-05 05:26:38,269 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 880.9ms TimeCoverageRelationStatistics Valid=1088, Invalid=3334, Unknown=0, NotChecked=0, Total=4422 [2021-06-05 05:26:38,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4660 states. [2021-06-05 05:26:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4305. [2021-06-05 05:26:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4305 states, 4304 states have (on average 2.5810873605947955) internal successors, (11109), 4304 states have internal predecessors, (11109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 11109 transitions. [2021-06-05 05:26:38,317 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 11109 transitions. Word has length 32 [2021-06-05 05:26:38,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:38,318 INFO L482 AbstractCegarLoop]: Abstraction has 4305 states and 11109 transitions. [2021-06-05 05:26:38,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 11109 transitions. [2021-06-05 05:26:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:38,321 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:38,321 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:38,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable172 [2021-06-05 05:26:38,522 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:38,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:38,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1813615886, now seen corresponding path program 55 times [2021-06-05 05:26:38,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:38,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851359852] [2021-06-05 05:26:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:38,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:38,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851359852] [2021-06-05 05:26:38,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851359852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:38,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483987388] [2021-06-05 05:26:38,566 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 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:38,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:38,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:38,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483987388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:38,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:38,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-06-05 05:26:38,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645054062] [2021-06-05 05:26:38,738 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 05:26:38,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:38,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 05:26:38,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-06-05 05:26:38,738 INFO L87 Difference]: Start difference. First operand 4305 states and 11109 transitions. Second operand has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 20 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:39,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:39,440 INFO L93 Difference]: Finished difference Result 5836 states and 14714 transitions. [2021-06-05 05:26:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-05 05:26:39,441 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 20 states have internal predecessors, (56), 0 states have call successors, (0), 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 32 [2021-06-05 05:26:39,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:39,446 INFO L225 Difference]: With dead ends: 5836 [2021-06-05 05:26:39,446 INFO L226 Difference]: Without dead ends: 5818 [2021-06-05 05:26:39,447 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 574.5ms TimeCoverageRelationStatistics Valid=721, Invalid=2249, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 05:26:39,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2021-06-05 05:26:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 4428. [2021-06-05 05:26:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4428 states, 4427 states have (on average 2.5897899254574206) internal successors, (11465), 4427 states have internal predecessors, (11465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 11465 transitions. [2021-06-05 05:26:39,511 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 11465 transitions. Word has length 32 [2021-06-05 05:26:39,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:39,511 INFO L482 AbstractCegarLoop]: Abstraction has 4428 states and 11465 transitions. [2021-06-05 05:26:39,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.6666666666666665) internal successors, (56), 20 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:39,512 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 11465 transitions. [2021-06-05 05:26:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:39,516 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:39,516 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:39,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:39,732 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:39,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:39,732 INFO L82 PathProgramCache]: Analyzing trace with hash -673820798, now seen corresponding path program 56 times [2021-06-05 05:26:39,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:39,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64639931] [2021-06-05 05:26:39,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:39,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:39,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64639931] [2021-06-05 05:26:39,781 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64639931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:39,781 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181655921] [2021-06-05 05:26:39,781 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 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:39,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:39,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:39,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:39,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:39,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181655921] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:39,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:39,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-05 05:26:39,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22283277] [2021-06-05 05:26:39,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 05:26:39,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:39,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 05:26:39,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-06-05 05:26:39,966 INFO L87 Difference]: Start difference. First operand 4428 states and 11465 transitions. Second operand has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:40,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:40,915 INFO L93 Difference]: Finished difference Result 5254 states and 13180 transitions. [2021-06-05 05:26:40,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 05:26:40,916 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:26:40,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:40,921 INFO L225 Difference]: With dead ends: 5254 [2021-06-05 05:26:40,921 INFO L226 Difference]: Without dead ends: 5238 [2021-06-05 05:26:40,922 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1414 ImplicationChecksByTransitivity, 803.9ms TimeCoverageRelationStatistics Valid=1130, Invalid=3562, Unknown=0, NotChecked=0, Total=4692 [2021-06-05 05:26:40,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2021-06-05 05:26:40,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 4516. [2021-06-05 05:26:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4516 states, 4515 states have (on average 2.5918050941306756) internal successors, (11702), 4515 states have internal predecessors, (11702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 11702 transitions. [2021-06-05 05:26:40,976 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 11702 transitions. Word has length 32 [2021-06-05 05:26:40,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:40,976 INFO L482 AbstractCegarLoop]: Abstraction has 4516 states and 11702 transitions. [2021-06-05 05:26:40,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 11702 transitions. [2021-06-05 05:26:40,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:40,980 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:40,980 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:41,180 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:41,181 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:41,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1175991294, now seen corresponding path program 57 times [2021-06-05 05:26:41,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:41,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857735101] [2021-06-05 05:26:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:41,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:41,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857735101] [2021-06-05 05:26:41,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857735101] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:41,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226200764] [2021-06-05 05:26:41,233 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 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:41,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-05 05:26:41,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:41,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:41,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:41,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226200764] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:41,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:41,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 05:26:41,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671497219] [2021-06-05 05:26:41,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:26:41,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:41,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:26:41,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:26:41,461 INFO L87 Difference]: Start difference. First operand 4516 states and 11702 transitions. Second operand has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:42,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:42,402 INFO L93 Difference]: Finished difference Result 5594 states and 13918 transitions. [2021-06-05 05:26:42,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-05 05:26:42,403 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:26:42,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:42,408 INFO L225 Difference]: With dead ends: 5594 [2021-06-05 05:26:42,408 INFO L226 Difference]: Without dead ends: 5566 [2021-06-05 05:26:42,408 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1574 ImplicationChecksByTransitivity, 841.7ms TimeCoverageRelationStatistics Valid=1183, Invalid=3787, Unknown=0, NotChecked=0, Total=4970 [2021-06-05 05:26:42,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5566 states. [2021-06-05 05:26:42,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5566 to 4347. [2021-06-05 05:26:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 4346 states have (on average 2.588587206626783) internal successors, (11250), 4346 states have internal predecessors, (11250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 11250 transitions. [2021-06-05 05:26:42,461 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 11250 transitions. Word has length 32 [2021-06-05 05:26:42,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:42,461 INFO L482 AbstractCegarLoop]: Abstraction has 4347 states and 11250 transitions. [2021-06-05 05:26:42,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 11250 transitions. [2021-06-05 05:26:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:42,465 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:42,465 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:42,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:42,665 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:42,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:42,666 INFO L82 PathProgramCache]: Analyzing trace with hash 728951162, now seen corresponding path program 58 times [2021-06-05 05:26:42,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:42,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572161077] [2021-06-05 05:26:42,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:42,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:42,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572161077] [2021-06-05 05:26:42,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572161077] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:42,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296080104] [2021-06-05 05:26:42,727 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 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:42,764 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:26:42,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:42,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:42,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:42,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296080104] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:42,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:42,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-06-05 05:26:42,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434348894] [2021-06-05 05:26:42,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 05:26:42,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:42,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 05:26:42,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:26:42,918 INFO L87 Difference]: Start difference. First operand 4347 states and 11250 transitions. Second operand has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:43,867 INFO L93 Difference]: Finished difference Result 5720 states and 14080 transitions. [2021-06-05 05:26:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-05 05:26:43,867 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:26:43,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:43,873 INFO L225 Difference]: With dead ends: 5720 [2021-06-05 05:26:43,873 INFO L226 Difference]: Without dead ends: 5686 [2021-06-05 05:26:43,874 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 824.0ms TimeCoverageRelationStatistics Valid=1246, Invalid=4010, Unknown=0, NotChecked=0, Total=5256 [2021-06-05 05:26:43,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5686 states. [2021-06-05 05:26:43,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5686 to 3872. [2021-06-05 05:26:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3872 states, 3871 states have (on average 2.579178506845776) internal successors, (9984), 3871 states have internal predecessors, (9984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 9984 transitions. [2021-06-05 05:26:43,933 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 9984 transitions. Word has length 32 [2021-06-05 05:26:43,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:43,933 INFO L482 AbstractCegarLoop]: Abstraction has 3872 states and 9984 transitions. [2021-06-05 05:26:43,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 9984 transitions. [2021-06-05 05:26:43,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:43,936 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:43,936 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:44,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable176 [2021-06-05 05:26:44,136 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:44,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:44,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1717407562, now seen corresponding path program 59 times [2021-06-05 05:26:44,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:44,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373379866] [2021-06-05 05:26:44,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:44,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:44,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373379866] [2021-06-05 05:26:44,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373379866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:44,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954096109] [2021-06-05 05:26:44,205 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 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:44,231 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 05:26:44,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:44,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:44,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:44,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954096109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:44,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:44,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-05 05:26:44,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998376146] [2021-06-05 05:26:44,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 05:26:44,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:44,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 05:26:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-06-05 05:26:44,414 INFO L87 Difference]: Start difference. First operand 3872 states and 9984 transitions. Second operand has 25 states, 25 states have (on average 2.28) internal successors, (57), 24 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:45,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:45,398 INFO L93 Difference]: Finished difference Result 5197 states and 12616 transitions. [2021-06-05 05:26:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-05 05:26:45,398 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.28) internal successors, (57), 24 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 32 [2021-06-05 05:26:45,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:45,403 INFO L225 Difference]: With dead ends: 5197 [2021-06-05 05:26:45,404 INFO L226 Difference]: Without dead ends: 5197 [2021-06-05 05:26:45,404 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 857.9ms TimeCoverageRelationStatistics Valid=1262, Invalid=3708, Unknown=0, NotChecked=0, Total=4970 [2021-06-05 05:26:45,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5197 states. [2021-06-05 05:26:45,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 3402. [2021-06-05 05:26:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3402 states, 3401 states have (on average 2.5633637165539547) internal successors, (8718), 3401 states have internal predecessors, (8718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 8718 transitions. [2021-06-05 05:26:45,447 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 8718 transitions. Word has length 32 [2021-06-05 05:26:45,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:45,448 INFO L482 AbstractCegarLoop]: Abstraction has 3402 states and 8718 transitions. [2021-06-05 05:26:45,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.28) internal successors, (57), 24 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:45,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 8718 transitions. [2021-06-05 05:26:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:45,450 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:45,450 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:45,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable177 [2021-06-05 05:26:45,651 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:45,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:45,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1240500466, now seen corresponding path program 60 times [2021-06-05 05:26:45,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:45,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101390896] [2021-06-05 05:26:45,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:45,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:45,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101390896] [2021-06-05 05:26:45,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101390896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:45,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443551537] [2021-06-05 05:26:45,711 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 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:45,736 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-05 05:26:45,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:45,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:45,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:45,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443551537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:45,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:45,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-06-05 05:26:45,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747684770] [2021-06-05 05:26:45,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 05:26:45,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:45,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 05:26:45,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:26:45,926 INFO L87 Difference]: Start difference. First operand 3402 states and 8718 transitions. Second operand has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:46,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:46,945 INFO L93 Difference]: Finished difference Result 4252 states and 10318 transitions. [2021-06-05 05:26:46,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-05 05:26:46,945 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 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 32 [2021-06-05 05:26:46,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:46,949 INFO L225 Difference]: With dead ends: 4252 [2021-06-05 05:26:46,949 INFO L226 Difference]: Without dead ends: 4186 [2021-06-05 05:26:46,949 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1720 ImplicationChecksByTransitivity, 884.6ms TimeCoverageRelationStatistics Valid=1147, Invalid=4109, Unknown=0, NotChecked=0, Total=5256 [2021-06-05 05:26:46,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2021-06-05 05:26:46,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 3264. [2021-06-05 05:26:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3264 states, 3263 states have (on average 2.5485749310450507) internal successors, (8316), 3263 states have internal predecessors, (8316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 8316 transitions. [2021-06-05 05:26:46,991 INFO L78 Accepts]: Start accepts. Automaton has 3264 states and 8316 transitions. Word has length 32 [2021-06-05 05:26:46,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:46,991 INFO L482 AbstractCegarLoop]: Abstraction has 3264 states and 8316 transitions. [2021-06-05 05:26:46,991 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 8316 transitions. [2021-06-05 05:26:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:46,993 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:46,993 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:47,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable178 [2021-06-05 05:26:47,194 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:47,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:47,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1425607606, now seen corresponding path program 61 times [2021-06-05 05:26:47,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:47,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801807681] [2021-06-05 05:26:47,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:47,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:47,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801807681] [2021-06-05 05:26:47,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801807681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:47,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910592887] [2021-06-05 05:26:47,260 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 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:47,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:47,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:47,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910592887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:47,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:47,451 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-06-05 05:26:47,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630602767] [2021-06-05 05:26:47,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 05:26:47,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:47,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 05:26:47,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:26:47,451 INFO L87 Difference]: Start difference. First operand 3264 states and 8316 transitions. Second operand has 24 states, 24 states have (on average 2.375) internal successors, (57), 23 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:48,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:48,513 INFO L93 Difference]: Finished difference Result 4881 states and 11710 transitions. [2021-06-05 05:26:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-05 05:26:48,514 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.375) internal successors, (57), 23 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 32 [2021-06-05 05:26:48,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:48,518 INFO L225 Difference]: With dead ends: 4881 [2021-06-05 05:26:48,518 INFO L226 Difference]: Without dead ends: 4881 [2021-06-05 05:26:48,519 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 913.1ms TimeCoverageRelationStatistics Valid=1473, Invalid=4077, Unknown=0, NotChecked=0, Total=5550 [2021-06-05 05:26:48,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4881 states. [2021-06-05 05:26:48,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4881 to 2860. [2021-06-05 05:26:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2859 states have (on average 2.5183630640083945) internal successors, (7200), 2859 states have internal predecessors, (7200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 7200 transitions. [2021-06-05 05:26:48,559 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 7200 transitions. Word has length 32 [2021-06-05 05:26:48,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:48,559 INFO L482 AbstractCegarLoop]: Abstraction has 2860 states and 7200 transitions. [2021-06-05 05:26:48,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.375) internal successors, (57), 23 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 7200 transitions. [2021-06-05 05:26:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:48,561 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:48,561 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:48,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable179 [2021-06-05 05:26:48,777 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:48,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:48,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1428685554, now seen corresponding path program 62 times [2021-06-05 05:26:48,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:48,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643403984] [2021-06-05 05:26:48,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:48,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:48,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643403984] [2021-06-05 05:26:48,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643403984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:48,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533673310] [2021-06-05 05:26:48,903 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 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:48,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:48,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:48,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:48,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:49,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533673310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:49,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:49,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 05:26:49,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672330146] [2021-06-05 05:26:49,126 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:26:49,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:49,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:26:49,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:26:49,126 INFO L87 Difference]: Start difference. First operand 2860 states and 7200 transitions. Second operand has 23 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:49,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:50,000 INFO L93 Difference]: Finished difference Result 3661 states and 8825 transitions. [2021-06-05 05:26:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-05 05:26:50,000 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 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 32 [2021-06-05 05:26:50,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:50,004 INFO L225 Difference]: With dead ends: 3661 [2021-06-05 05:26:50,004 INFO L226 Difference]: Without dead ends: 3622 [2021-06-05 05:26:50,004 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 815.0ms TimeCoverageRelationStatistics Valid=968, Invalid=3454, Unknown=0, NotChecked=0, Total=4422 [2021-06-05 05:26:50,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2021-06-05 05:26:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 2809. [2021-06-05 05:26:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2809 states, 2808 states have (on average 2.508190883190883) internal successors, (7043), 2808 states have internal predecessors, (7043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 7043 transitions. [2021-06-05 05:26:50,038 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 7043 transitions. Word has length 32 [2021-06-05 05:26:50,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:50,038 INFO L482 AbstractCegarLoop]: Abstraction has 2809 states and 7043 transitions. [2021-06-05 05:26:50,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 7043 transitions. [2021-06-05 05:26:50,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:50,040 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:50,040 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:50,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:50,241 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:50,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:50,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1690671434, now seen corresponding path program 63 times [2021-06-05 05:26:50,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:50,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134863644] [2021-06-05 05:26:50,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:50,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:50,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134863644] [2021-06-05 05:26:50,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134863644] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:50,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144985623] [2021-06-05 05:26:50,295 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 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:50,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 05:26:50,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:50,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:50,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:50,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144985623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:50,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:50,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 05:26:50,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941881522] [2021-06-05 05:26:50,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:26:50,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:50,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:26:50,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:26:50,491 INFO L87 Difference]: Start difference. First operand 2809 states and 7043 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:51,662 INFO L93 Difference]: Finished difference Result 4911 states and 11694 transitions. [2021-06-05 05:26:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-05 05:26:51,662 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 32 [2021-06-05 05:26:51,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:51,666 INFO L225 Difference]: With dead ends: 4911 [2021-06-05 05:26:51,666 INFO L226 Difference]: Without dead ends: 4911 [2021-06-05 05:26:51,667 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2155 ImplicationChecksByTransitivity, 1026.1ms TimeCoverageRelationStatistics Valid=1768, Invalid=4552, Unknown=0, NotChecked=0, Total=6320 [2021-06-05 05:26:51,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4911 states. [2021-06-05 05:26:51,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4911 to 3307. [2021-06-05 05:26:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 3306 states have (on average 2.481246218995765) internal successors, (8203), 3306 states have internal predecessors, (8203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 8203 transitions. [2021-06-05 05:26:51,710 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 8203 transitions. Word has length 32 [2021-06-05 05:26:51,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:51,710 INFO L482 AbstractCegarLoop]: Abstraction has 3307 states and 8203 transitions. [2021-06-05 05:26:51,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 22 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 8203 transitions. [2021-06-05 05:26:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:51,712 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:51,712 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:51,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:51,913 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:51,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:51,913 INFO L82 PathProgramCache]: Analyzing trace with hash -604635918, now seen corresponding path program 64 times [2021-06-05 05:26:51,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:51,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884631776] [2021-06-05 05:26:51,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:51,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:51,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884631776] [2021-06-05 05:26:51,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884631776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:51,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232827865] [2021-06-05 05:26:51,976 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 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:52,006 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:26:52,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:52,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:52,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:52,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232827865] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:52,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:52,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-05 05:26:52,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536317202] [2021-06-05 05:26:52,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 05:26:52,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:52,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 05:26:52,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2021-06-05 05:26:52,168 INFO L87 Difference]: Start difference. First operand 3307 states and 8203 transitions. Second operand has 22 states, 22 states have (on average 2.5) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:52,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:52,974 INFO L93 Difference]: Finished difference Result 3840 states and 9263 transitions. [2021-06-05 05:26:52,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-05 05:26:52,974 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.5) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 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 32 [2021-06-05 05:26:52,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:52,978 INFO L225 Difference]: With dead ends: 3840 [2021-06-05 05:26:52,978 INFO L226 Difference]: Without dead ends: 3822 [2021-06-05 05:26:52,978 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 697.2ms TimeCoverageRelationStatistics Valid=879, Invalid=3027, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 05:26:52,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-06-05 05:26:53,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3381. [2021-06-05 05:26:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 2.486094674556213) internal successors, (8403), 3380 states have internal predecessors, (8403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 8403 transitions. [2021-06-05 05:26:53,017 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 8403 transitions. Word has length 32 [2021-06-05 05:26:53,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:53,017 INFO L482 AbstractCegarLoop]: Abstraction has 3381 states and 8403 transitions. [2021-06-05 05:26:53,017 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.5) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:53,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 8403 transitions. [2021-06-05 05:26:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:53,020 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:53,020 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:53,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:53,231 INFO L430 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:53,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:53,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1474920010, now seen corresponding path program 65 times [2021-06-05 05:26:53,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:53,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402117099] [2021-06-05 05:26:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:53,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:53,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402117099] [2021-06-05 05:26:53,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402117099] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:53,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245129483] [2021-06-05 05:26:53,286 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 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-05 05:26:53,320 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 05:26:53,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:53,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:53,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:53,477 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245129483] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:53,477 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:53,477 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-05 05:26:53,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260141553] [2021-06-05 05:26:53,478 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 05:26:53,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:53,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 05:26:53,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2021-06-05 05:26:53,478 INFO L87 Difference]: Start difference. First operand 3381 states and 8403 transitions. Second operand has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 21 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:54,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:54,672 INFO L93 Difference]: Finished difference Result 6180 states and 15068 transitions. [2021-06-05 05:26:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-05 05:26:54,672 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 21 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 32 [2021-06-05 05:26:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:54,678 INFO L225 Difference]: With dead ends: 6180 [2021-06-05 05:26:54,678 INFO L226 Difference]: Without dead ends: 6180 [2021-06-05 05:26:54,679 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2540 ImplicationChecksByTransitivity, 1048.4ms TimeCoverageRelationStatistics Valid=2010, Invalid=4962, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 05:26:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-06-05 05:26:54,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5144. [2021-06-05 05:26:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 5143 states have (on average 2.52109663620455) internal successors, (12966), 5143 states have internal predecessors, (12966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 12966 transitions. [2021-06-05 05:26:54,753 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 12966 transitions. Word has length 32 [2021-06-05 05:26:54,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:54,753 INFO L482 AbstractCegarLoop]: Abstraction has 5144 states and 12966 transitions. [2021-06-05 05:26:54,753 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 21 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:54,754 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 12966 transitions. [2021-06-05 05:26:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:54,757 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:54,757 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:54,957 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2021-06-05 05:26:54,957 INFO L430 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:54,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:54,958 INFO L82 PathProgramCache]: Analyzing trace with hash 874026652, now seen corresponding path program 66 times [2021-06-05 05:26:54,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:54,958 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437245997] [2021-06-05 05:26:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:55,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:55,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437245997] [2021-06-05 05:26:55,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437245997] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:55,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966674020] [2021-06-05 05:26:55,020 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 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:55,045 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-05 05:26:55,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:55,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:55,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:55,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966674020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:55,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:55,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 20 [2021-06-05 05:26:55,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871441474] [2021-06-05 05:26:55,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 05:26:55,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:55,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 05:26:55,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-06-05 05:26:55,216 INFO L87 Difference]: Start difference. First operand 5144 states and 12966 transitions. Second operand has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:56,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:56,011 INFO L93 Difference]: Finished difference Result 6009 states and 14677 transitions. [2021-06-05 05:26:56,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-05 05:26:56,012 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:26:56,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:56,017 INFO L225 Difference]: With dead ends: 6009 [2021-06-05 05:26:56,017 INFO L226 Difference]: Without dead ends: 6005 [2021-06-05 05:26:56,018 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 685.9ms TimeCoverageRelationStatistics Valid=1087, Invalid=2819, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 05:26:56,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6005 states. [2021-06-05 05:26:56,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6005 to 5062. [2021-06-05 05:26:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5062 states, 5061 states have (on average 2.517091483896463) internal successors, (12739), 5061 states have internal predecessors, (12739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:56,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 5062 states and 12739 transitions. [2021-06-05 05:26:56,091 INFO L78 Accepts]: Start accepts. Automaton has 5062 states and 12739 transitions. Word has length 32 [2021-06-05 05:26:56,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:56,092 INFO L482 AbstractCegarLoop]: Abstraction has 5062 states and 12739 transitions. [2021-06-05 05:26:56,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 20 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 12739 transitions. [2021-06-05 05:26:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:56,095 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:56,095 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:56,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:56,302 INFO L430 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:56,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:56,302 INFO L82 PathProgramCache]: Analyzing trace with hash 367680386, now seen corresponding path program 67 times [2021-06-05 05:26:56,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:56,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571191713] [2021-06-05 05:26:56,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:56,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:56,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571191713] [2021-06-05 05:26:56,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571191713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:56,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733330334] [2021-06-05 05:26:56,357 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 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:56,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:56,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:56,549 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:56,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733330334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:56,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:56,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2021-06-05 05:26:56,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808742555] [2021-06-05 05:26:56,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 05:26:56,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:56,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 05:26:56,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2021-06-05 05:26:56,550 INFO L87 Difference]: Start difference. First operand 5062 states and 12739 transitions. Second operand has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:57,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:57,314 INFO L93 Difference]: Finished difference Result 6244 states and 15277 transitions. [2021-06-05 05:26:57,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-05 05:26:57,314 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:26:57,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:57,320 INFO L225 Difference]: With dead ends: 6244 [2021-06-05 05:26:57,320 INFO L226 Difference]: Without dead ends: 6232 [2021-06-05 05:26:57,321 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 679.7ms TimeCoverageRelationStatistics Valid=1011, Invalid=2895, Unknown=0, NotChecked=0, Total=3906 [2021-06-05 05:26:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2021-06-05 05:26:57,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 5108. [2021-06-05 05:26:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5108 states, 5107 states have (on average 2.522811826904249) internal successors, (12884), 5107 states have internal predecessors, (12884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5108 states to 5108 states and 12884 transitions. [2021-06-05 05:26:57,391 INFO L78 Accepts]: Start accepts. Automaton has 5108 states and 12884 transitions. Word has length 32 [2021-06-05 05:26:57,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:57,391 INFO L482 AbstractCegarLoop]: Abstraction has 5108 states and 12884 transitions. [2021-06-05 05:26:57,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 21 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:57,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5108 states and 12884 transitions. [2021-06-05 05:26:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:57,395 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:57,395 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:57,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:57,595 INFO L430 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:57,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:57,596 INFO L82 PathProgramCache]: Analyzing trace with hash 140459006, now seen corresponding path program 68 times [2021-06-05 05:26:57,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:57,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369700790] [2021-06-05 05:26:57,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:57,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:57,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369700790] [2021-06-05 05:26:57,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369700790] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:57,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524688703] [2021-06-05 05:26:57,659 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 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:57,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:26:57,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:57,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:57,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:57,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524688703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:57,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:57,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22 [2021-06-05 05:26:57,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222682638] [2021-06-05 05:26:57,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:26:57,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:26:57,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:26:57,855 INFO L87 Difference]: Start difference. First operand 5108 states and 12884 transitions. Second operand has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:58,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:26:58,647 INFO L93 Difference]: Finished difference Result 6722 states and 16413 transitions. [2021-06-05 05:26:58,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-05 05:26:58,647 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:26:58,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:26:58,654 INFO L225 Difference]: With dead ends: 6722 [2021-06-05 05:26:58,654 INFO L226 Difference]: Without dead ends: 6702 [2021-06-05 05:26:58,655 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 705.8ms TimeCoverageRelationStatistics Valid=1025, Invalid=3135, Unknown=0, NotChecked=0, Total=4160 [2021-06-05 05:26:58,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2021-06-05 05:26:58,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 5738. [2021-06-05 05:26:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5738 states, 5737 states have (on average 2.5281506013595956) internal successors, (14504), 5737 states have internal predecessors, (14504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5738 states to 5738 states and 14504 transitions. [2021-06-05 05:26:58,733 INFO L78 Accepts]: Start accepts. Automaton has 5738 states and 14504 transitions. Word has length 32 [2021-06-05 05:26:58,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:26:58,733 INFO L482 AbstractCegarLoop]: Abstraction has 5738 states and 14504 transitions. [2021-06-05 05:26:58,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:26:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 5738 states and 14504 transitions. [2021-06-05 05:26:58,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:26:58,737 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:26:58,737 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:26:58,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:58,938 INFO L430 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:26:58,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:26:58,938 INFO L82 PathProgramCache]: Analyzing trace with hash 824044922, now seen corresponding path program 69 times [2021-06-05 05:26:58,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:26:58,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710998476] [2021-06-05 05:26:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:26:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:26:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:26:59,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:26:59,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710998476] [2021-06-05 05:26:59,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710998476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:59,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522548324] [2021-06-05 05:26:59,023 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 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:26:59,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 05:26:59,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:26:59,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:26:59,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:26:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:26:59,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522548324] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:26:59,211 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:26:59,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2021-06-05 05:26:59,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065532438] [2021-06-05 05:26:59,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 05:26:59,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:26:59,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 05:26:59,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:26:59,212 INFO L87 Difference]: Start difference. First operand 5738 states and 14504 transitions. Second operand has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:00,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:00,088 INFO L93 Difference]: Finished difference Result 7634 states and 18636 transitions. [2021-06-05 05:27:00,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-05 05:27:00,088 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:27:00,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:00,095 INFO L225 Difference]: With dead ends: 7634 [2021-06-05 05:27:00,096 INFO L226 Difference]: Without dead ends: 7606 [2021-06-05 05:27:00,096 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1454 ImplicationChecksByTransitivity, 822.0ms TimeCoverageRelationStatistics Valid=1128, Invalid=3564, Unknown=0, NotChecked=0, Total=4692 [2021-06-05 05:27:00,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7606 states. [2021-06-05 05:27:00,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7606 to 6549. [2021-06-05 05:27:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6549 states, 6548 states have (on average 2.5284056200366525) internal successors, (16556), 6548 states have internal predecessors, (16556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:00,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6549 states to 6549 states and 16556 transitions. [2021-06-05 05:27:00,191 INFO L78 Accepts]: Start accepts. Automaton has 6549 states and 16556 transitions. Word has length 32 [2021-06-05 05:27:00,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:00,191 INFO L482 AbstractCegarLoop]: Abstraction has 6549 states and 16556 transitions. [2021-06-05 05:27:00,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.25) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:00,191 INFO L276 IsEmpty]: Start isEmpty. Operand 6549 states and 16556 transitions. [2021-06-05 05:27:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 05:27:00,195 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:00,195 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:00,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:00,397 INFO L430 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:00,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:00,397 INFO L82 PathProgramCache]: Analyzing trace with hash 620113910, now seen corresponding path program 70 times [2021-06-05 05:27:00,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:00,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326352724] [2021-06-05 05:27:00,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:00,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:00,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326352724] [2021-06-05 05:27:00,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326352724] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:00,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328558679] [2021-06-05 05:27:00,465 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 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:00,491 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:27:00,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:00,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-05 05:27:00,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:00,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328558679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:00,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:00,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-05 05:27:00,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004283482] [2021-06-05 05:27:00,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 05:27:00,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:00,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 05:27:00,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-06-05 05:27:00,686 INFO L87 Difference]: Start difference. First operand 6549 states and 16556 transitions. Second operand has 25 states, 25 states have (on average 2.16) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:01,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:01,673 INFO L93 Difference]: Finished difference Result 7611 states and 18726 transitions. [2021-06-05 05:27:01,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-05 05:27:01,673 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.16) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-06-05 05:27:01,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:01,681 INFO L225 Difference]: With dead ends: 7611 [2021-06-05 05:27:01,681 INFO L226 Difference]: Without dead ends: 7575 [2021-06-05 05:27:01,681 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 923.4ms TimeCoverageRelationStatistics Valid=1318, Invalid=4232, Unknown=0, NotChecked=0, Total=5550 [2021-06-05 05:27:01,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2021-06-05 05:27:01,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 6635. [2021-06-05 05:27:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6635 states, 6634 states have (on average 2.537232438950859) internal successors, (16832), 6634 states have internal predecessors, (16832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6635 states to 6635 states and 16832 transitions. [2021-06-05 05:27:01,806 INFO L78 Accepts]: Start accepts. Automaton has 6635 states and 16832 transitions. Word has length 32 [2021-06-05 05:27:01,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:01,806 INFO L482 AbstractCegarLoop]: Abstraction has 6635 states and 16832 transitions. [2021-06-05 05:27:01,806 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.16) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 6635 states and 16832 transitions. [2021-06-05 05:27:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 05:27:01,810 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:01,810 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:02,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-06-05 05:27:02,011 INFO L430 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:02,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:02,011 INFO L82 PathProgramCache]: Analyzing trace with hash -617394444, now seen corresponding path program 71 times [2021-06-05 05:27:02,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:02,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022133970] [2021-06-05 05:27:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:02,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:02,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022133970] [2021-06-05 05:27:02,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022133970] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:02,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162145745] [2021-06-05 05:27:02,042 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 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:02,067 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 05:27:02,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:02,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-05 05:27:02,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:02,232 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-06-05 05:27:02,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 124 treesize of output 105 [2021-06-05 05:27:02,413 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:27:02,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:02,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:27:02,524 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:169 [2021-06-05 05:27:02,743 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 05:27:03,016 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 05:27:03,378 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-06-05 05:27:03,597 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-06-05 05:27:03,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 75 [2021-06-05 05:27:03,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:03,607 INFO L628 ElimStorePlain]: treesize reduction 393, result has 0.8 percent of original size [2021-06-05 05:27:03,607 INFO L518 ElimStorePlain]: Eliminatee f_inv vanished before elimination [2021-06-05 05:27:03,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_53 vanished before elimination [2021-06-05 05:27:03,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-06-05 05:27:03,607 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-06-05 05:27:03,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:03,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-06-05 05:27:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:03,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162145745] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:03,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:03,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 05:27:03,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743097359] [2021-06-05 05:27:03,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:27:03,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:03,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:27:03,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:03,613 INFO L87 Difference]: Start difference. First operand 6635 states and 16832 transitions. Second operand has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:03,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:03,880 INFO L93 Difference]: Finished difference Result 7761 states and 19541 transitions. [2021-06-05 05:27:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 05:27:03,880 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 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 34 [2021-06-05 05:27:03,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:03,889 INFO L225 Difference]: With dead ends: 7761 [2021-06-05 05:27:03,889 INFO L226 Difference]: Without dead ends: 7754 [2021-06-05 05:27:03,889 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 787.0ms TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:27:03,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7754 states. [2021-06-05 05:27:03,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7754 to 7360. [2021-06-05 05:27:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7360 states, 7359 states have (on average 2.545726321511075) internal successors, (18734), 7359 states have internal predecessors, (18734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7360 states to 7360 states and 18734 transitions. [2021-06-05 05:27:03,996 INFO L78 Accepts]: Start accepts. Automaton has 7360 states and 18734 transitions. Word has length 34 [2021-06-05 05:27:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:03,996 INFO L482 AbstractCegarLoop]: Abstraction has 7360 states and 18734 transitions. [2021-06-05 05:27:03,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 7360 states and 18734 transitions. [2021-06-05 05:27:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 05:27:04,001 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:04,002 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:04,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-06-05 05:27:04,211 INFO L430 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:04,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:04,211 INFO L82 PathProgramCache]: Analyzing trace with hash -100122124, now seen corresponding path program 72 times [2021-06-05 05:27:04,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:04,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126631333] [2021-06-05 05:27:04,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:27:04,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:04,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126631333] [2021-06-05 05:27:04,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126631333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:04,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634901405] [2021-06-05 05:27:04,243 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 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:04,277 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 05:27:04,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:04,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-05 05:27:04,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:04,471 INFO L446 ElimStorePlain]: Different costs {10=[f], 36=[f_inv]} [2021-06-05 05:27:04,511 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-06-05 05:27:04,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 158 treesize of output 120 [2021-06-05 05:27:04,760 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:27:04,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:04,807 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:04,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 187 treesize of output 147 [2021-06-05 05:27:04,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:04,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:04,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:04,952 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:3 [2021-06-05 05:27:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:04,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634901405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:04,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:04,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 05:27:04,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390057235] [2021-06-05 05:27:04,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:27:04,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:04,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:27:04,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:04,961 INFO L87 Difference]: Start difference. First operand 7360 states and 18734 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:05,090 INFO L93 Difference]: Finished difference Result 8008 states and 20271 transitions. [2021-06-05 05:27:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 05:27:05,091 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 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 34 [2021-06-05 05:27:05,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:05,099 INFO L225 Difference]: With dead ends: 8008 [2021-06-05 05:27:05,100 INFO L226 Difference]: Without dead ends: 7999 [2021-06-05 05:27:05,100 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 174.5ms TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:05,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7999 states. [2021-06-05 05:27:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7999 to 7776. [2021-06-05 05:27:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7776 states, 7775 states have (on average 2.5569131832797427) internal successors, (19880), 7775 states have internal predecessors, (19880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7776 states to 7776 states and 19880 transitions. [2021-06-05 05:27:05,195 INFO L78 Accepts]: Start accepts. Automaton has 7776 states and 19880 transitions. Word has length 34 [2021-06-05 05:27:05,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:05,195 INFO L482 AbstractCegarLoop]: Abstraction has 7776 states and 19880 transitions. [2021-06-05 05:27:05,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 7776 states and 19880 transitions. [2021-06-05 05:27:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 05:27:05,201 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:05,201 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:05,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable402 [2021-06-05 05:27:05,417 INFO L430 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:05,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:05,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1652349196, now seen corresponding path program 73 times [2021-06-05 05:27:05,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:05,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043629210] [2021-06-05 05:27:05,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:27:05,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:05,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043629210] [2021-06-05 05:27:05,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043629210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:05,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373813089] [2021-06-05 05:27:05,446 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 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:05,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-05 05:27:05,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:05,647 INFO L354 Elim1Store]: treesize reduction 154, result has 36.1 percent of original size [2021-06-05 05:27:05,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 119 treesize of output 127 [2021-06-05 05:27:05,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:05,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:05,670 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:05,670 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:136 [2021-06-05 05:27:05,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 05:27:05,854 INFO L446 ElimStorePlain]: Different costs {3=[f], 6=[v_prenex_54], 10=[v_prenex_55]} [2021-06-05 05:27:05,865 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:05,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-05 05:27:05,871 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:05,875 INFO L628 ElimStorePlain]: treesize reduction 113, result has 2.6 percent of original size [2021-06-05 05:27:05,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_54 vanished before elimination [2021-06-05 05:27:05,875 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-06-05 05:27:05,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:05,876 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:132, output treesize:3 [2021-06-05 05:27:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:05,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373813089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:05,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:05,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 05:27:05,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364385477] [2021-06-05 05:27:05,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:27:05,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:05,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:27:05,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:05,884 INFO L87 Difference]: Start difference. First operand 7776 states and 19880 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:06,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:06,021 INFO L93 Difference]: Finished difference Result 8649 states and 21915 transitions. [2021-06-05 05:27:06,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 05:27:06,021 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 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 34 [2021-06-05 05:27:06,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:06,031 INFO L225 Difference]: With dead ends: 8649 [2021-06-05 05:27:06,031 INFO L226 Difference]: Without dead ends: 8624 [2021-06-05 05:27:06,032 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 243.7ms TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:06,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2021-06-05 05:27:06,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8091. [2021-06-05 05:27:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8091 states, 8090 states have (on average 2.5673671199011125) internal successors, (20770), 8090 states have internal predecessors, (20770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 20770 transitions. [2021-06-05 05:27:06,167 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 20770 transitions. Word has length 34 [2021-06-05 05:27:06,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:06,167 INFO L482 AbstractCegarLoop]: Abstraction has 8091 states and 20770 transitions. [2021-06-05 05:27:06,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 20770 transitions. [2021-06-05 05:27:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 05:27:06,172 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:06,173 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:06,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable561,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:06,373 INFO L430 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:06,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:06,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1306053620, now seen corresponding path program 74 times [2021-06-05 05:27:06,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:06,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627489789] [2021-06-05 05:27:06,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:27:06,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:06,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627489789] [2021-06-05 05:27:06,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627489789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:06,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505115239] [2021-06-05 05:27:06,401 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 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:06,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:27:06,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:06,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-05 05:27:06,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:06,568 INFO L354 Elim1Store]: treesize reduction 79, result has 47.7 percent of original size [2021-06-05 05:27:06,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 117 treesize of output 110 [2021-06-05 05:27:06,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:06,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:06,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:06,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:132 [2021-06-05 05:27:06,672 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 05:27:06,909 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2021-06-05 05:27:07,005 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_58], 10=[f, v_prenex_59]} [2021-06-05 05:27:07,024 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:07,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-05 05:27:07,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:07,031 INFO L628 ElimStorePlain]: treesize reduction 153, result has 1.9 percent of original size [2021-06-05 05:27:07,031 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 05:27:07,031 INFO L518 ElimStorePlain]: Eliminatee v_prenex_59 vanished before elimination [2021-06-05 05:27:07,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:07,031 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:176, output treesize:3 [2021-06-05 05:27:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:07,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505115239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:07,039 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:07,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 05:27:07,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829492338] [2021-06-05 05:27:07,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:27:07,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:07,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:27:07,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:07,040 INFO L87 Difference]: Start difference. First operand 8091 states and 20770 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:07,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:07,266 INFO L93 Difference]: Finished difference Result 9127 states and 23212 transitions. [2021-06-05 05:27:07,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 05:27:07,267 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 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 34 [2021-06-05 05:27:07,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:07,305 INFO L225 Difference]: With dead ends: 9127 [2021-06-05 05:27:07,305 INFO L226 Difference]: Without dead ends: 9098 [2021-06-05 05:27:07,305 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 353.3ms TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:07,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9098 states. [2021-06-05 05:27:07,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9098 to 8475. [2021-06-05 05:27:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8475 states, 8474 states have (on average 2.577059240028322) internal successors, (21838), 8474 states have internal predecessors, (21838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8475 states to 8475 states and 21838 transitions. [2021-06-05 05:27:07,411 INFO L78 Accepts]: Start accepts. Automaton has 8475 states and 21838 transitions. Word has length 34 [2021-06-05 05:27:07,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:07,411 INFO L482 AbstractCegarLoop]: Abstraction has 8475 states and 21838 transitions. [2021-06-05 05:27:07,411 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 8475 states and 21838 transitions. [2021-06-05 05:27:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 05:27:07,417 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:07,417 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:07,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable572,75 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:07,618 INFO L430 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:07,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:07,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1062809844, now seen corresponding path program 75 times [2021-06-05 05:27:07,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:07,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946348085] [2021-06-05 05:27:07,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:07,647 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:27:07,647 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:07,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946348085] [2021-06-05 05:27:07,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946348085] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:07,647 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229783568] [2021-06-05 05:27:07,647 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 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:07,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-05 05:27:07,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:07,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-05 05:27:07,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:07,856 INFO L446 ElimStorePlain]: Different costs {15=[f_inv], 28=[f]} [2021-06-05 05:27:07,898 INFO L354 Elim1Store]: treesize reduction 74, result has 43.5 percent of original size [2021-06-05 05:27:07,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 123 [2021-06-05 05:27:08,059 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:27:08,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:08,111 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:08,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 147 treesize of output 144 [2021-06-05 05:27:08,232 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:08,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:08,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:08,233 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:3 [2021-06-05 05:27:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:08,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229783568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:08,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:08,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 05:27:08,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633449820] [2021-06-05 05:27:08,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:27:08,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:08,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:27:08,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:08,241 INFO L87 Difference]: Start difference. First operand 8475 states and 21838 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:08,385 INFO L93 Difference]: Finished difference Result 9518 states and 24331 transitions. [2021-06-05 05:27:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 05:27:08,385 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 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 34 [2021-06-05 05:27:08,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:08,396 INFO L225 Difference]: With dead ends: 9518 [2021-06-05 05:27:08,396 INFO L226 Difference]: Without dead ends: 9492 [2021-06-05 05:27:08,396 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 154.9ms TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9492 states. [2021-06-05 05:27:08,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9492 to 8919. [2021-06-05 05:27:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8919 states, 8918 states have (on average 2.588024220677282) internal successors, (23080), 8918 states have internal predecessors, (23080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 23080 transitions. [2021-06-05 05:27:08,531 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 23080 transitions. Word has length 34 [2021-06-05 05:27:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:08,532 INFO L482 AbstractCegarLoop]: Abstraction has 8919 states and 23080 transitions. [2021-06-05 05:27:08,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 23080 transitions. [2021-06-05 05:27:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-05 05:27:08,537 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:08,537 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:08,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable595,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:08,741 INFO L430 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:08,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:08,741 INFO L82 PathProgramCache]: Analyzing trace with hash -766224908, now seen corresponding path program 76 times [2021-06-05 05:27:08,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:08,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432807667] [2021-06-05 05:27:08,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:27:08,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:08,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432807667] [2021-06-05 05:27:08,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432807667] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:08,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270996327] [2021-06-05 05:27:08,770 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 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:08,794 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:27:08,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:08,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-05 05:27:08,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:08,889 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-06-05 05:27:08,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 89 treesize of output 89 [2021-06-05 05:27:08,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:08,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:27:08,912 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:08,912 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:162 [2021-06-05 05:27:09,021 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-06-05 05:27:09,395 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-06-05 05:27:09,830 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-06-05 05:27:09,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 75 [2021-06-05 05:27:09,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:27:09,840 INFO L628 ElimStorePlain]: treesize reduction 393, result has 0.8 percent of original size [2021-06-05 05:27:09,840 INFO L518 ElimStorePlain]: Eliminatee v_prenex_70 vanished before elimination [2021-06-05 05:27:09,840 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 05:27:09,840 INFO L518 ElimStorePlain]: Eliminatee v_prenex_69 vanished before elimination [2021-06-05 05:27:09,841 INFO L518 ElimStorePlain]: Eliminatee v_prenex_68 vanished before elimination [2021-06-05 05:27:09,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:27:09,841 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-06-05 05:27:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:27:09,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270996327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:09,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:09,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-06-05 05:27:09,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784064165] [2021-06-05 05:27:09,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 05:27:09,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:09,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 05:27:09,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:09,849 INFO L87 Difference]: Start difference. First operand 8919 states and 23080 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:10,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:10,138 INFO L93 Difference]: Finished difference Result 9867 states and 25209 transitions. [2021-06-05 05:27:10,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 05:27:10,140 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 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 34 [2021-06-05 05:27:10,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:10,151 INFO L225 Difference]: With dead ends: 9867 [2021-06-05 05:27:10,151 INFO L226 Difference]: Without dead ends: 9860 [2021-06-05 05:27:10,151 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 542.2ms TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-06-05 05:27:10,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9860 states. [2021-06-05 05:27:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9860 to 9257. [2021-06-05 05:27:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9257 states, 9256 states have (on average 2.5956136560069143) internal successors, (24025), 9256 states have internal predecessors, (24025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9257 states to 9257 states and 24025 transitions. [2021-06-05 05:27:10,296 INFO L78 Accepts]: Start accepts. Automaton has 9257 states and 24025 transitions. Word has length 34 [2021-06-05 05:27:10,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:10,296 INFO L482 AbstractCegarLoop]: Abstraction has 9257 states and 24025 transitions. [2021-06-05 05:27:10,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:10,296 INFO L276 IsEmpty]: Start isEmpty. Operand 9257 states and 24025 transitions. [2021-06-05 05:27:10,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:10,303 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:10,303 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:10,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable691,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:10,503 INFO L430 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:10,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:10,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1975981686, now seen corresponding path program 77 times [2021-06-05 05:27:10,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:10,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000731780] [2021-06-05 05:27:10,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:10,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:10,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000731780] [2021-06-05 05:27:10,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000731780] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:10,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226120140] [2021-06-05 05:27:10,652 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 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:10,677 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 05:27:10,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:10,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:10,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:10,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226120140] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:10,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:10,900 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2021-06-05 05:27:10,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054711873] [2021-06-05 05:27:10,900 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:27:10,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:10,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:27:10,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:27:10,901 INFO L87 Difference]: Start difference. First operand 9257 states and 24025 transitions. Second operand has 30 states, 30 states have (on average 2.2) internal successors, (66), 29 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:12,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:12,239 INFO L93 Difference]: Finished difference Result 10763 states and 27124 transitions. [2021-06-05 05:27:12,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-06-05 05:27:12,239 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 29 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 05:27:12,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:12,251 INFO L225 Difference]: With dead ends: 10763 [2021-06-05 05:27:12,251 INFO L226 Difference]: Without dead ends: 10763 [2021-06-05 05:27:12,252 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2236 ImplicationChecksByTransitivity, 1215.3ms TimeCoverageRelationStatistics Valid=2085, Invalid=5925, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 05:27:12,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10763 states. [2021-06-05 05:27:12,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10763 to 8556. [2021-06-05 05:27:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8556 states, 8555 states have (on average 2.586791350087668) internal successors, (22130), 8555 states have internal predecessors, (22130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:12,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8556 states to 8556 states and 22130 transitions. [2021-06-05 05:27:12,387 INFO L78 Accepts]: Start accepts. Automaton has 8556 states and 22130 transitions. Word has length 36 [2021-06-05 05:27:12,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:12,387 INFO L482 AbstractCegarLoop]: Abstraction has 8556 states and 22130 transitions. [2021-06-05 05:27:12,387 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 29 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 8556 states and 22130 transitions. [2021-06-05 05:27:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:12,394 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:12,394 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:12,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable731 [2021-06-05 05:27:12,597 INFO L430 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:12,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:12,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1533628238, now seen corresponding path program 78 times [2021-06-05 05:27:12,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:12,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591346334] [2021-06-05 05:27:12,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:12,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:12,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591346334] [2021-06-05 05:27:12,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591346334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:12,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216758876] [2021-06-05 05:27:12,687 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 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:12,712 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 05:27:12,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:12,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:12,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:12,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216758876] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:12,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:12,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-05 05:27:12,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662878731] [2021-06-05 05:27:12,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 05:27:12,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:12,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 05:27:12,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2021-06-05 05:27:12,937 INFO L87 Difference]: Start difference. First operand 8556 states and 22130 transitions. Second operand has 29 states, 29 states have (on average 2.206896551724138) internal successors, (64), 28 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:15,012 INFO L93 Difference]: Finished difference Result 12764 states and 31601 transitions. [2021-06-05 05:27:15,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-05 05:27:15,012 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.206896551724138) internal successors, (64), 28 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 36 [2021-06-05 05:27:15,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:15,027 INFO L225 Difference]: With dead ends: 12764 [2021-06-05 05:27:15,028 INFO L226 Difference]: Without dead ends: 12621 [2021-06-05 05:27:15,028 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4553 ImplicationChecksByTransitivity, 1945.7ms TimeCoverageRelationStatistics Valid=2979, Invalid=10827, Unknown=0, NotChecked=0, Total=13806 [2021-06-05 05:27:15,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12621 states. [2021-06-05 05:27:15,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12621 to 8919. [2021-06-05 05:27:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8919 states, 8918 states have (on average 2.585557299843014) internal successors, (23058), 8918 states have internal predecessors, (23058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 23058 transitions. [2021-06-05 05:27:15,192 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 23058 transitions. Word has length 36 [2021-06-05 05:27:15,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:15,192 INFO L482 AbstractCegarLoop]: Abstraction has 8919 states and 23058 transitions. [2021-06-05 05:27:15,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.206896551724138) internal successors, (64), 28 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 23058 transitions. [2021-06-05 05:27:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:15,199 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:15,199 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:15,399 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable732 [2021-06-05 05:27:15,400 INFO L430 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:15,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:15,400 INFO L82 PathProgramCache]: Analyzing trace with hash 800183698, now seen corresponding path program 79 times [2021-06-05 05:27:15,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:15,400 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581332101] [2021-06-05 05:27:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:15,457 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:15,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581332101] [2021-06-05 05:27:15,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581332101] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:15,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147096198] [2021-06-05 05:27:15,457 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 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:15,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:15,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:15,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147096198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:15,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:15,680 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-06-05 05:27:15,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832236436] [2021-06-05 05:27:15,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 05:27:15,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:15,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 05:27:15,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:27:15,680 INFO L87 Difference]: Start difference. First operand 8919 states and 23058 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:17,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:17,452 INFO L93 Difference]: Finished difference Result 16283 states and 41247 transitions. [2021-06-05 05:27:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-06-05 05:27:17,452 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 36 [2021-06-05 05:27:17,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:17,471 INFO L225 Difference]: With dead ends: 16283 [2021-06-05 05:27:17,472 INFO L226 Difference]: Without dead ends: 16267 [2021-06-05 05:27:17,473 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3729 ImplicationChecksByTransitivity, 1539.0ms TimeCoverageRelationStatistics Valid=2811, Invalid=7695, Unknown=0, NotChecked=0, Total=10506 [2021-06-05 05:27:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16267 states. [2021-06-05 05:27:17,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16267 to 11626. [2021-06-05 05:27:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11626 states, 11625 states have (on average 2.584602150537634) internal successors, (30046), 11625 states have internal predecessors, (30046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11626 states to 11626 states and 30046 transitions. [2021-06-05 05:27:17,674 INFO L78 Accepts]: Start accepts. Automaton has 11626 states and 30046 transitions. Word has length 36 [2021-06-05 05:27:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:17,674 INFO L482 AbstractCegarLoop]: Abstraction has 11626 states and 30046 transitions. [2021-06-05 05:27:17,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 11626 states and 30046 transitions. [2021-06-05 05:27:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:17,682 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:17,682 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:17,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable733,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:17,883 INFO L430 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:17,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:17,884 INFO L82 PathProgramCache]: Analyzing trace with hash -583714384, now seen corresponding path program 80 times [2021-06-05 05:27:17,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:17,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51401478] [2021-06-05 05:27:17,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:17,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:17,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51401478] [2021-06-05 05:27:17,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51401478] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:17,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543801706] [2021-06-05 05:27:17,939 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 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:17,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:27:17,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:17,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:17,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:18,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543801706] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:18,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:18,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-06-05 05:27:18,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187926961] [2021-06-05 05:27:18,200 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 05:27:18,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:18,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 05:27:18,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:27:18,201 INFO L87 Difference]: Start difference. First operand 11626 states and 30046 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:19,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:19,449 INFO L93 Difference]: Finished difference Result 12191 states and 31159 transitions. [2021-06-05 05:27:19,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 05:27:19,449 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 36 [2021-06-05 05:27:19,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:19,463 INFO L225 Difference]: With dead ends: 12191 [2021-06-05 05:27:19,463 INFO L226 Difference]: Without dead ends: 12187 [2021-06-05 05:27:19,464 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2261 ImplicationChecksByTransitivity, 1166.1ms TimeCoverageRelationStatistics Valid=1724, Invalid=5416, Unknown=0, NotChecked=0, Total=7140 [2021-06-05 05:27:19,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12187 states. [2021-06-05 05:27:19,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12187 to 11626. [2021-06-05 05:27:19,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11626 states, 11625 states have (on average 2.5839139784946235) internal successors, (30038), 11625 states have internal predecessors, (30038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11626 states to 11626 states and 30038 transitions. [2021-06-05 05:27:19,617 INFO L78 Accepts]: Start accepts. Automaton has 11626 states and 30038 transitions. Word has length 36 [2021-06-05 05:27:19,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:19,617 INFO L482 AbstractCegarLoop]: Abstraction has 11626 states and 30038 transitions. [2021-06-05 05:27:19,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 11626 states and 30038 transitions. [2021-06-05 05:27:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:19,624 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:19,624 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:19,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable734 [2021-06-05 05:27:19,825 INFO L430 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:19,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:19,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1643832242, now seen corresponding path program 81 times [2021-06-05 05:27:19,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:19,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614632520] [2021-06-05 05:27:19,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:19,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:19,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614632520] [2021-06-05 05:27:19,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614632520] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:19,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967127921] [2021-06-05 05:27:19,881 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 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:19,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-05 05:27:19,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:19,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:19,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:20,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967127921] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:20,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:20,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-06-05 05:27:20,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736548197] [2021-06-05 05:27:20,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 05:27:20,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:20,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 05:27:20,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:27:20,108 INFO L87 Difference]: Start difference. First operand 11626 states and 30038 transitions. Second operand has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:21,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:21,097 INFO L93 Difference]: Finished difference Result 15216 states and 38818 transitions. [2021-06-05 05:27:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-05 05:27:21,098 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 23 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 36 [2021-06-05 05:27:21,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:21,116 INFO L225 Difference]: With dead ends: 15216 [2021-06-05 05:27:21,116 INFO L226 Difference]: Without dead ends: 15195 [2021-06-05 05:27:21,117 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 822.2ms TimeCoverageRelationStatistics Valid=1176, Invalid=3654, Unknown=0, NotChecked=0, Total=4830 [2021-06-05 05:27:21,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15195 states. [2021-06-05 05:27:21,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15195 to 11850. [2021-06-05 05:27:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11850 states, 11849 states have (on average 2.593467803190143) internal successors, (30730), 11849 states have internal predecessors, (30730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11850 states to 11850 states and 30730 transitions. [2021-06-05 05:27:21,298 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 30730 transitions. Word has length 36 [2021-06-05 05:27:21,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:21,298 INFO L482 AbstractCegarLoop]: Abstraction has 11850 states and 30730 transitions. [2021-06-05 05:27:21,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 30730 transitions. [2021-06-05 05:27:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:21,305 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:21,305 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:21,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable735,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:21,506 INFO L430 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:21,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:21,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1511339966, now seen corresponding path program 82 times [2021-06-05 05:27:21,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:21,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55326640] [2021-06-05 05:27:21,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:21,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:21,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55326640] [2021-06-05 05:27:21,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55326640] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:21,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462074464] [2021-06-05 05:27:21,566 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 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:21,591 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:27:21,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:21,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:21,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:21,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462074464] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:21,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:21,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-05 05:27:21,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333563248] [2021-06-05 05:27:21,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 05:27:21,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:21,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 05:27:21,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2021-06-05 05:27:21,796 INFO L87 Difference]: Start difference. First operand 11850 states and 30730 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:23,124 INFO L93 Difference]: Finished difference Result 13259 states and 33760 transitions. [2021-06-05 05:27:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-05 05:27:23,124 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 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 36 [2021-06-05 05:27:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:23,140 INFO L225 Difference]: With dead ends: 13259 [2021-06-05 05:27:23,140 INFO L226 Difference]: Without dead ends: 13241 [2021-06-05 05:27:23,141 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2419 ImplicationChecksByTransitivity, 1179.6ms TimeCoverageRelationStatistics Valid=1777, Invalid=5705, Unknown=0, NotChecked=0, Total=7482 [2021-06-05 05:27:23,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13241 states. [2021-06-05 05:27:23,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13241 to 12104. [2021-06-05 05:27:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12104 states, 12103 states have (on average 2.5956374452615054) internal successors, (31415), 12103 states have internal predecessors, (31415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12104 states to 12104 states and 31415 transitions. [2021-06-05 05:27:23,302 INFO L78 Accepts]: Start accepts. Automaton has 12104 states and 31415 transitions. Word has length 36 [2021-06-05 05:27:23,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:23,302 INFO L482 AbstractCegarLoop]: Abstraction has 12104 states and 31415 transitions. [2021-06-05 05:27:23,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12104 states and 31415 transitions. [2021-06-05 05:27:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:23,310 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:23,310 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:23,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable736,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:23,510 INFO L430 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:23,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:23,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1219841470, now seen corresponding path program 83 times [2021-06-05 05:27:23,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:23,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216650320] [2021-06-05 05:27:23,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:23,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:23,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216650320] [2021-06-05 05:27:23,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216650320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:23,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450634788] [2021-06-05 05:27:23,574 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 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:23,600 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-05 05:27:23,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:23,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:23,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:23,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450634788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:23,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:23,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-06-05 05:27:23,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257649117] [2021-06-05 05:27:23,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 05:27:23,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:23,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 05:27:23,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2021-06-05 05:27:23,812 INFO L87 Difference]: Start difference. First operand 12104 states and 31415 transitions. Second operand has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:25,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:25,163 INFO L93 Difference]: Finished difference Result 13923 states and 35275 transitions. [2021-06-05 05:27:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-05 05:27:25,164 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 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 36 [2021-06-05 05:27:25,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:25,182 INFO L225 Difference]: With dead ends: 13923 [2021-06-05 05:27:25,182 INFO L226 Difference]: Without dead ends: 13889 [2021-06-05 05:27:25,183 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2629 ImplicationChecksByTransitivity, 1170.7ms TimeCoverageRelationStatistics Valid=1841, Invalid=5991, Unknown=0, NotChecked=0, Total=7832 [2021-06-05 05:27:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13889 states. [2021-06-05 05:27:25,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13889 to 11939. [2021-06-05 05:27:25,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11939 states, 11938 states have (on average 2.5983414307254145) internal successors, (31019), 11938 states have internal predecessors, (31019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11939 states to 11939 states and 31019 transitions. [2021-06-05 05:27:25,375 INFO L78 Accepts]: Start accepts. Automaton has 11939 states and 31019 transitions. Word has length 36 [2021-06-05 05:27:25,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:25,375 INFO L482 AbstractCegarLoop]: Abstraction has 11939 states and 31019 transitions. [2021-06-05 05:27:25,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 11939 states and 31019 transitions. [2021-06-05 05:27:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:25,383 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:25,383 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:25,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable737,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:25,584 INFO L430 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:25,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:25,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1660183610, now seen corresponding path program 84 times [2021-06-05 05:27:25,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:25,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166292530] [2021-06-05 05:27:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:25,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:25,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166292530] [2021-06-05 05:27:25,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166292530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:25,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096137158] [2021-06-05 05:27:25,657 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 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:25,685 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-05 05:27:25,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:25,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:25,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:25,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096137158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:25,904 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:25,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 05:27:25,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825065583] [2021-06-05 05:27:25,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 05:27:25,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:25,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 05:27:25,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:27:25,905 INFO L87 Difference]: Start difference. First operand 11939 states and 31019 transitions. Second operand has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:27,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:27,219 INFO L93 Difference]: Finished difference Result 14229 states and 35822 transitions. [2021-06-05 05:27:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-05 05:27:27,219 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 36 [2021-06-05 05:27:27,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:27,237 INFO L225 Difference]: With dead ends: 14229 [2021-06-05 05:27:27,237 INFO L226 Difference]: Without dead ends: 14185 [2021-06-05 05:27:27,238 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 1162.5ms TimeCoverageRelationStatistics Valid=1915, Invalid=6275, Unknown=0, NotChecked=0, Total=8190 [2021-06-05 05:27:27,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14185 states. [2021-06-05 05:27:27,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14185 to 11149. [2021-06-05 05:27:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11149 states, 11148 states have (on average 2.601184068891281) internal successors, (28998), 11148 states have internal predecessors, (28998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11149 states to 11149 states and 28998 transitions. [2021-06-05 05:27:27,442 INFO L78 Accepts]: Start accepts. Automaton has 11149 states and 28998 transitions. Word has length 36 [2021-06-05 05:27:27,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:27,442 INFO L482 AbstractCegarLoop]: Abstraction has 11149 states and 28998 transitions. [2021-06-05 05:27:27,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:27,442 INFO L276 IsEmpty]: Start isEmpty. Operand 11149 states and 28998 transitions. [2021-06-05 05:27:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:27,449 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:27,449 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:27,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable738 [2021-06-05 05:27:27,650 INFO L430 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:27,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:27,650 INFO L82 PathProgramCache]: Analyzing trace with hash -372782154, now seen corresponding path program 85 times [2021-06-05 05:27:27,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:27,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113828841] [2021-06-05 05:27:27,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:27,732 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:27,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113828841] [2021-06-05 05:27:27,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113828841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:27,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642584896] [2021-06-05 05:27:27,732 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 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:27,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:27,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:27,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642584896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:27,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:27,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 05:27:27,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662240694] [2021-06-05 05:27:27,975 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 05:27:27,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:27,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 05:27:27,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2021-06-05 05:27:27,975 INFO L87 Difference]: Start difference. First operand 11149 states and 28998 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:29,316 INFO L93 Difference]: Finished difference Result 13990 states and 34960 transitions. [2021-06-05 05:27:29,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-05 05:27:29,316 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 36 [2021-06-05 05:27:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:29,333 INFO L225 Difference]: With dead ends: 13990 [2021-06-05 05:27:29,333 INFO L226 Difference]: Without dead ends: 13948 [2021-06-05 05:27:29,334 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2949 ImplicationChecksByTransitivity, 1169.3ms TimeCoverageRelationStatistics Valid=1998, Invalid=6558, Unknown=0, NotChecked=0, Total=8556 [2021-06-05 05:27:29,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13948 states. [2021-06-05 05:27:29,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13948 to 9962. [2021-06-05 05:27:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9962 states, 9961 states have (on average 2.597731151490814) internal successors, (25876), 9961 states have internal predecessors, (25876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:29,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9962 states to 9962 states and 25876 transitions. [2021-06-05 05:27:29,485 INFO L78 Accepts]: Start accepts. Automaton has 9962 states and 25876 transitions. Word has length 36 [2021-06-05 05:27:29,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:29,485 INFO L482 AbstractCegarLoop]: Abstraction has 9962 states and 25876 transitions. [2021-06-05 05:27:29,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 9962 states and 25876 transitions. [2021-06-05 05:27:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:29,491 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:29,491 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:29,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable739,86 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:29,691 INFO L430 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:29,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:29,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1742466442, now seen corresponding path program 86 times [2021-06-05 05:27:29,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:29,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131605698] [2021-06-05 05:27:29,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:29,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:29,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131605698] [2021-06-05 05:27:29,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131605698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:29,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272443626] [2021-06-05 05:27:29,783 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 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:29,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:27:29,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:29,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:29,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:30,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272443626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:30,067 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:30,067 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-05 05:27:30,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140062447] [2021-06-05 05:27:30,067 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 05:27:30,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:30,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 05:27:30,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2021-06-05 05:27:30,067 INFO L87 Difference]: Start difference. First operand 9962 states and 25876 transitions. Second operand has 29 states, 29 states have (on average 2.2413793103448274) internal successors, (65), 28 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:31,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:31,429 INFO L93 Difference]: Finished difference Result 12322 states and 30673 transitions. [2021-06-05 05:27:31,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 05:27:31,430 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.2413793103448274) internal successors, (65), 28 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 36 [2021-06-05 05:27:31,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:31,444 INFO L225 Difference]: With dead ends: 12322 [2021-06-05 05:27:31,444 INFO L226 Difference]: Without dead ends: 12322 [2021-06-05 05:27:31,445 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2304 ImplicationChecksByTransitivity, 1228.9ms TimeCoverageRelationStatistics Valid=1981, Invalid=6029, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 05:27:31,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12322 states. [2021-06-05 05:27:31,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12322 to 8944. [2021-06-05 05:27:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8944 states, 8943 states have (on average 2.5896231689589624) internal successors, (23159), 8943 states have internal predecessors, (23159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8944 states to 8944 states and 23159 transitions. [2021-06-05 05:27:31,567 INFO L78 Accepts]: Start accepts. Automaton has 8944 states and 23159 transitions. Word has length 36 [2021-06-05 05:27:31,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:31,567 INFO L482 AbstractCegarLoop]: Abstraction has 8944 states and 23159 transitions. [2021-06-05 05:27:31,567 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.2413793103448274) internal successors, (65), 28 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 8944 states and 23159 transitions. [2021-06-05 05:27:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:31,572 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:31,572 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:31,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-06-05 05:27:31,773 INFO L430 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:31,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:31,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1833765810, now seen corresponding path program 87 times [2021-06-05 05:27:31,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:31,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246954357] [2021-06-05 05:27:31,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:31,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:31,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246954357] [2021-06-05 05:27:31,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246954357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:31,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894543770] [2021-06-05 05:27:31,852 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 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:31,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 05:27:31,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:31,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:31,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:32,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894543770] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:32,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:32,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 05:27:32,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682423393] [2021-06-05 05:27:32,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 05:27:32,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:32,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 05:27:32,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2021-06-05 05:27:32,089 INFO L87 Difference]: Start difference. First operand 8944 states and 23159 transitions. Second operand has 28 states, 28 states have (on average 2.25) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:33,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:33,598 INFO L93 Difference]: Finished difference Result 10626 states and 26434 transitions. [2021-06-05 05:27:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-05 05:27:33,598 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.25) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 05:27:33,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:33,609 INFO L225 Difference]: With dead ends: 10626 [2021-06-05 05:27:33,610 INFO L226 Difference]: Without dead ends: 10527 [2021-06-05 05:27:33,610 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3285 ImplicationChecksByTransitivity, 1341.1ms TimeCoverageRelationStatistics Valid=2020, Invalid=7486, Unknown=0, NotChecked=0, Total=9506 [2021-06-05 05:27:33,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10527 states. [2021-06-05 05:27:33,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10527 to 8656. [2021-06-05 05:27:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8656 states, 8655 states have (on average 2.577007510109763) internal successors, (22304), 8655 states have internal predecessors, (22304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8656 states to 8656 states and 22304 transitions. [2021-06-05 05:27:33,739 INFO L78 Accepts]: Start accepts. Automaton has 8656 states and 22304 transitions. Word has length 36 [2021-06-05 05:27:33,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:33,739 INFO L482 AbstractCegarLoop]: Abstraction has 8656 states and 22304 transitions. [2021-06-05 05:27:33,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.25) internal successors, (63), 27 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 8656 states and 22304 transitions. [2021-06-05 05:27:33,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:33,744 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:33,744 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:33,945 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable741 [2021-06-05 05:27:33,945 INFO L430 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:33,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:33,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1703939702, now seen corresponding path program 88 times [2021-06-05 05:27:33,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:33,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782763830] [2021-06-05 05:27:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:34,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:34,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782763830] [2021-06-05 05:27:34,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782763830] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:34,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652010529] [2021-06-05 05:27:34,047 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 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:34,070 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:27:34,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:34,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:34,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:34,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652010529] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:34,274 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:34,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 05:27:34,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817513472] [2021-06-05 05:27:34,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 05:27:34,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:34,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 05:27:34,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-06-05 05:27:34,275 INFO L87 Difference]: Start difference. First operand 8656 states and 22304 transitions. Second operand has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 27 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:35,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:35,758 INFO L93 Difference]: Finished difference Result 11669 states and 28734 transitions. [2021-06-05 05:27:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-05 05:27:35,758 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 27 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 36 [2021-06-05 05:27:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:35,771 INFO L225 Difference]: With dead ends: 11669 [2021-06-05 05:27:35,771 INFO L226 Difference]: Without dead ends: 11669 [2021-06-05 05:27:35,771 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2824 ImplicationChecksByTransitivity, 1299.5ms TimeCoverageRelationStatistics Valid=2270, Invalid=6660, Unknown=0, NotChecked=0, Total=8930 [2021-06-05 05:27:35,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11669 states. [2021-06-05 05:27:35,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11669 to 7769. [2021-06-05 05:27:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7769 states, 7768 states have (on average 2.5607621009268797) internal successors, (19892), 7768 states have internal predecessors, (19892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7769 states to 7769 states and 19892 transitions. [2021-06-05 05:27:35,885 INFO L78 Accepts]: Start accepts. Automaton has 7769 states and 19892 transitions. Word has length 36 [2021-06-05 05:27:35,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:35,885 INFO L482 AbstractCegarLoop]: Abstraction has 7769 states and 19892 transitions. [2021-06-05 05:27:35,885 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.3214285714285716) internal successors, (65), 27 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7769 states and 19892 transitions. [2021-06-05 05:27:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:35,890 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:35,890 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:36,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable742,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:36,091 INFO L430 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:36,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:36,091 INFO L82 PathProgramCache]: Analyzing trace with hash 366880434, now seen corresponding path program 89 times [2021-06-05 05:27:36,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:36,091 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094340120] [2021-06-05 05:27:36,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:36,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:36,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094340120] [2021-06-05 05:27:36,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094340120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:36,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889214628] [2021-06-05 05:27:36,178 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 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:36,202 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-05 05:27:36,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:36,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:36,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:36,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889214628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:36,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:36,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 05:27:36,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66802197] [2021-06-05 05:27:36,412 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 05:27:36,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:36,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 05:27:36,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:27:36,412 INFO L87 Difference]: Start difference. First operand 7769 states and 19892 transitions. Second operand has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:37,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:37,783 INFO L93 Difference]: Finished difference Result 9358 states and 23204 transitions. [2021-06-05 05:27:37,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-06-05 05:27:37,783 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 05:27:37,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:37,793 INFO L225 Difference]: With dead ends: 9358 [2021-06-05 05:27:37,793 INFO L226 Difference]: Without dead ends: 9292 [2021-06-05 05:27:37,794 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2837 ImplicationChecksByTransitivity, 1195.1ms TimeCoverageRelationStatistics Valid=1697, Invalid=6313, Unknown=0, NotChecked=0, Total=8010 [2021-06-05 05:27:37,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9292 states. [2021-06-05 05:27:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9292 to 7746. [2021-06-05 05:27:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7746 states, 7745 states have (on average 2.5536475145255) internal successors, (19778), 7745 states have internal predecessors, (19778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 19778 transitions. [2021-06-05 05:27:37,909 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 19778 transitions. Word has length 36 [2021-06-05 05:27:37,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:37,909 INFO L482 AbstractCegarLoop]: Abstraction has 7746 states and 19778 transitions. [2021-06-05 05:27:37,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 19778 transitions. [2021-06-05 05:27:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:37,914 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:37,914 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:38,114 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable743,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:38,115 INFO L430 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:38,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:38,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1439369846, now seen corresponding path program 90 times [2021-06-05 05:27:38,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:38,115 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521895120] [2021-06-05 05:27:38,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:38,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:38,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521895120] [2021-06-05 05:27:38,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521895120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:38,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647435629] [2021-06-05 05:27:38,188 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 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:38,246 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 05:27:38,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:38,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:38,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:38,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647435629] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:38,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:38,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 05:27:38,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113709577] [2021-06-05 05:27:38,450 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 05:27:38,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:38,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 05:27:38,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:27:38,450 INFO L87 Difference]: Start difference. First operand 7746 states and 19778 transitions. Second operand has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 26 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:40,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:40,132 INFO L93 Difference]: Finished difference Result 11275 states and 27529 transitions. [2021-06-05 05:27:40,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-05 05:27:40,133 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 26 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 36 [2021-06-05 05:27:40,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:40,144 INFO L225 Difference]: With dead ends: 11275 [2021-06-05 05:27:40,145 INFO L226 Difference]: Without dead ends: 11275 [2021-06-05 05:27:40,146 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3564 ImplicationChecksByTransitivity, 1429.7ms TimeCoverageRelationStatistics Valid=2740, Invalid=7562, Unknown=0, NotChecked=0, Total=10302 [2021-06-05 05:27:40,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11275 states. [2021-06-05 05:27:40,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11275 to 7094. [2021-06-05 05:27:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7094 states, 7093 states have (on average 2.531791907514451) internal successors, (17958), 7093 states have internal predecessors, (17958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 17958 transitions. [2021-06-05 05:27:40,263 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 17958 transitions. Word has length 36 [2021-06-05 05:27:40,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:40,263 INFO L482 AbstractCegarLoop]: Abstraction has 7094 states and 17958 transitions. [2021-06-05 05:27:40,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 26 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 17958 transitions. [2021-06-05 05:27:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:40,267 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:40,268 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:40,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable744 [2021-06-05 05:27:40,468 INFO L430 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:40,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:40,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1442447794, now seen corresponding path program 91 times [2021-06-05 05:27:40,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:40,468 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383145239] [2021-06-05 05:27:40,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:40,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:40,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383145239] [2021-06-05 05:27:40,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383145239] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:40,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483336450] [2021-06-05 05:27:40,533 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 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:40,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:40,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:40,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483336450] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:40,780 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:40,780 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-06-05 05:27:40,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506327760] [2021-06-05 05:27:40,780 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 05:27:40,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:40,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 05:27:40,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2021-06-05 05:27:40,780 INFO L87 Difference]: Start difference. First operand 7094 states and 17958 transitions. Second operand has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 25 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:42,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:42,101 INFO L93 Difference]: Finished difference Result 8391 states and 20772 transitions. [2021-06-05 05:27:42,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-05 05:27:42,101 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 25 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 05:27:42,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:42,109 INFO L225 Difference]: With dead ends: 8391 [2021-06-05 05:27:42,109 INFO L226 Difference]: Without dead ends: 8352 [2021-06-05 05:27:42,110 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 1115.2ms TimeCoverageRelationStatistics Valid=1507, Invalid=5465, Unknown=0, NotChecked=0, Total=6972 [2021-06-05 05:27:42,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2021-06-05 05:27:42,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 7183. [2021-06-05 05:27:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7183 states, 7182 states have (on average 2.532442216652743) internal successors, (18188), 7182 states have internal predecessors, (18188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7183 states to 7183 states and 18188 transitions. [2021-06-05 05:27:42,212 INFO L78 Accepts]: Start accepts. Automaton has 7183 states and 18188 transitions. Word has length 36 [2021-06-05 05:27:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:42,212 INFO L482 AbstractCegarLoop]: Abstraction has 7183 states and 18188 transitions. [2021-06-05 05:27:42,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 25 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 7183 states and 18188 transitions. [2021-06-05 05:27:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:42,217 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:42,217 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:42,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable745 [2021-06-05 05:27:42,418 INFO L430 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:42,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:42,418 INFO L82 PathProgramCache]: Analyzing trace with hash -795539850, now seen corresponding path program 92 times [2021-06-05 05:27:42,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:42,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593741909] [2021-06-05 05:27:42,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:42,493 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:42,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:42,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593741909] [2021-06-05 05:27:42,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593741909] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:42,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938302187] [2021-06-05 05:27:42,494 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 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:42,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:27:42,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:42,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:42,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:42,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938302187] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:42,722 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:42,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-06-05 05:27:42,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994638358] [2021-06-05 05:27:42,722 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 05:27:42,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:42,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 05:27:42,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2021-06-05 05:27:42,723 INFO L87 Difference]: Start difference. First operand 7183 states and 18188 transitions. Second operand has 26 states, 26 states have (on average 2.5) internal successors, (65), 25 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:44,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:44,487 INFO L93 Difference]: Finished difference Result 11937 states and 29010 transitions. [2021-06-05 05:27:44,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-05 05:27:44,487 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.5) internal successors, (65), 25 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 36 [2021-06-05 05:27:44,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:44,500 INFO L225 Difference]: With dead ends: 11937 [2021-06-05 05:27:44,500 INFO L226 Difference]: Without dead ends: 11937 [2021-06-05 05:27:44,501 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4334 ImplicationChecksByTransitivity, 1525.1ms TimeCoverageRelationStatistics Valid=3216, Invalid=8340, Unknown=0, NotChecked=0, Total=11556 [2021-06-05 05:27:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11937 states. [2021-06-05 05:27:44,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11937 to 8770. [2021-06-05 05:27:44,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8770 states, 8769 states have (on average 2.5070133424563803) internal successors, (21984), 8769 states have internal predecessors, (21984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8770 states to 8770 states and 21984 transitions. [2021-06-05 05:27:44,648 INFO L78 Accepts]: Start accepts. Automaton has 8770 states and 21984 transitions. Word has length 36 [2021-06-05 05:27:44,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:44,648 INFO L482 AbstractCegarLoop]: Abstraction has 8770 states and 21984 transitions. [2021-06-05 05:27:44,649 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.5) internal successors, (65), 25 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 8770 states and 21984 transitions. [2021-06-05 05:27:44,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:44,654 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:44,654 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:44,854 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable746,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:44,854 INFO L430 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:44,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:44,855 INFO L82 PathProgramCache]: Analyzing trace with hash 290495666, now seen corresponding path program 93 times [2021-06-05 05:27:44,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:44,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343675157] [2021-06-05 05:27:44,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:44,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:44,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343675157] [2021-06-05 05:27:44,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343675157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:44,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741761683] [2021-06-05 05:27:44,914 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 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:44,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-05 05:27:44,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:44,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:44,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:45,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741761683] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:45,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:45,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-05 05:27:45,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632877161] [2021-06-05 05:27:45,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 05:27:45,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:45,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 05:27:45,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-06-05 05:27:45,166 INFO L87 Difference]: Start difference. First operand 8770 states and 21984 transitions. Second operand has 25 states, 25 states have (on average 2.52) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:46,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:46,277 INFO L93 Difference]: Finished difference Result 9544 states and 23558 transitions. [2021-06-05 05:27:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-05 05:27:46,277 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.52) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 05:27:46,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:46,287 INFO L225 Difference]: With dead ends: 9544 [2021-06-05 05:27:46,288 INFO L226 Difference]: Without dead ends: 9526 [2021-06-05 05:27:46,288 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2221 ImplicationChecksByTransitivity, 984.2ms TimeCoverageRelationStatistics Valid=1407, Invalid=4913, Unknown=0, NotChecked=0, Total=6320 [2021-06-05 05:27:46,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9526 states. [2021-06-05 05:27:46,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9526 to 8902. [2021-06-05 05:27:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8902 states, 8901 states have (on average 2.510055049994383) internal successors, (22342), 8901 states have internal predecessors, (22342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8902 states to 8902 states and 22342 transitions. [2021-06-05 05:27:46,410 INFO L78 Accepts]: Start accepts. Automaton has 8902 states and 22342 transitions. Word has length 36 [2021-06-05 05:27:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:46,410 INFO L482 AbstractCegarLoop]: Abstraction has 8902 states and 22342 transitions. [2021-06-05 05:27:46,410 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.52) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 8902 states and 22342 transitions. [2021-06-05 05:27:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:46,415 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:46,415 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:46,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable747 [2021-06-05 05:27:46,616 INFO L430 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:46,616 INFO L82 PathProgramCache]: Analyzing trace with hash 766378614, now seen corresponding path program 94 times [2021-06-05 05:27:46,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:46,616 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152964349] [2021-06-05 05:27:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:46,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:46,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152964349] [2021-06-05 05:27:46,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152964349] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:46,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33603186] [2021-06-05 05:27:46,681 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 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:46,705 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:27:46,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:46,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:46,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:46,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33603186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:46,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:46,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-05 05:27:46,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983410548] [2021-06-05 05:27:46,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 05:27:46,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:46,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 05:27:46,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2021-06-05 05:27:46,909 INFO L87 Difference]: Start difference. First operand 8902 states and 22342 transitions. Second operand has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:48,722 INFO L93 Difference]: Finished difference Result 15319 states and 37889 transitions. [2021-06-05 05:27:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-05 05:27:48,723 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 05:27:48,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:48,741 INFO L225 Difference]: With dead ends: 15319 [2021-06-05 05:27:48,741 INFO L226 Difference]: Without dead ends: 15319 [2021-06-05 05:27:48,742 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4780 ImplicationChecksByTransitivity, 1546.8ms TimeCoverageRelationStatistics Valid=3440, Invalid=8770, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 05:27:48,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15319 states. [2021-06-05 05:27:48,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15319 to 13330. [2021-06-05 05:27:48,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13330 states, 13329 states have (on average 2.5292219971490733) internal successors, (33712), 13329 states have internal predecessors, (33712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13330 states to 13330 states and 33712 transitions. [2021-06-05 05:27:48,968 INFO L78 Accepts]: Start accepts. Automaton has 13330 states and 33712 transitions. Word has length 36 [2021-06-05 05:27:48,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:48,968 INFO L482 AbstractCegarLoop]: Abstraction has 13330 states and 33712 transitions. [2021-06-05 05:27:48,968 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 13330 states and 33712 transitions. [2021-06-05 05:27:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:48,975 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:48,975 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:49,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable748,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:49,176 INFO L430 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:49,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:49,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1179642020, now seen corresponding path program 95 times [2021-06-05 05:27:49,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:49,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379361780] [2021-06-05 05:27:49,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:49,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:49,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379361780] [2021-06-05 05:27:49,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379361780] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:49,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783628953] [2021-06-05 05:27:49,265 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 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:49,292 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 05:27:49,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:49,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:49,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:49,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783628953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:49,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:49,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2021-06-05 05:27:49,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341230612] [2021-06-05 05:27:49,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-05 05:27:49,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:49,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-05 05:27:49,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:27:49,502 INFO L87 Difference]: Start difference. First operand 13330 states and 33712 transitions. Second operand has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:50,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:50,611 INFO L93 Difference]: Finished difference Result 14924 states and 36958 transitions. [2021-06-05 05:27:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-05 05:27:50,611 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 36 [2021-06-05 05:27:50,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:50,629 INFO L225 Difference]: With dead ends: 14924 [2021-06-05 05:27:50,630 INFO L226 Difference]: Without dead ends: 14920 [2021-06-05 05:27:50,630 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2102 ImplicationChecksByTransitivity, 952.1ms TimeCoverageRelationStatistics Valid=1750, Invalid=4570, Unknown=0, NotChecked=0, Total=6320 [2021-06-05 05:27:50,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states. [2021-06-05 05:27:50,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 13086. [2021-06-05 05:27:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13086 states, 13085 states have (on average 2.525792892625143) internal successors, (33050), 13085 states have internal predecessors, (33050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13086 states to 13086 states and 33050 transitions. [2021-06-05 05:27:50,867 INFO L78 Accepts]: Start accepts. Automaton has 13086 states and 33050 transitions. Word has length 36 [2021-06-05 05:27:50,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:50,867 INFO L482 AbstractCegarLoop]: Abstraction has 13086 states and 33050 transitions. [2021-06-05 05:27:50,867 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.5833333333333335) internal successors, (62), 23 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 13086 states and 33050 transitions. [2021-06-05 05:27:50,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:50,874 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:50,874 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:51,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable749,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:51,075 INFO L430 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:51,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:51,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1685988286, now seen corresponding path program 96 times [2021-06-05 05:27:51,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:51,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671538045] [2021-06-05 05:27:51,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:51,137 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:51,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:51,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671538045] [2021-06-05 05:27:51,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671538045] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:51,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389933977] [2021-06-05 05:27:51,137 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 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:51,162 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-05 05:27:51,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:51,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:51,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:51,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389933977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:51,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:51,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 24 [2021-06-05 05:27:51,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190403689] [2021-06-05 05:27:51,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-05 05:27:51,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:51,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-05 05:27:51,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2021-06-05 05:27:51,361 INFO L87 Difference]: Start difference. First operand 13086 states and 33050 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:52,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:52,436 INFO L93 Difference]: Finished difference Result 15282 states and 37884 transitions. [2021-06-05 05:27:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-05 05:27:52,437 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 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 36 [2021-06-05 05:27:52,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:52,454 INFO L225 Difference]: With dead ends: 15282 [2021-06-05 05:27:52,454 INFO L226 Difference]: Without dead ends: 15270 [2021-06-05 05:27:52,455 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 932.2ms TimeCoverageRelationStatistics Valid=1595, Invalid=4567, Unknown=0, NotChecked=0, Total=6162 [2021-06-05 05:27:52,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15270 states. [2021-06-05 05:27:52,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15270 to 13017. [2021-06-05 05:27:52,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13017 states, 13016 states have (on average 2.528272894898586) internal successors, (32908), 13016 states have internal predecessors, (32908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13017 states to 13017 states and 32908 transitions. [2021-06-05 05:27:52,674 INFO L78 Accepts]: Start accepts. Automaton has 13017 states and 32908 transitions. Word has length 36 [2021-06-05 05:27:52,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:52,674 INFO L482 AbstractCegarLoop]: Abstraction has 13017 states and 32908 transitions. [2021-06-05 05:27:52,674 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 24 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 13017 states and 32908 transitions. [2021-06-05 05:27:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:52,681 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:52,681 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:52,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable750 [2021-06-05 05:27:52,882 INFO L430 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:52,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:52,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1913209666, now seen corresponding path program 97 times [2021-06-05 05:27:52,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:52,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617393192] [2021-06-05 05:27:52,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:52,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:52,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617393192] [2021-06-05 05:27:52,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617393192] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:52,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289679571] [2021-06-05 05:27:52,951 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 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:52,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:52,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:53,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289679571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:53,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:53,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2021-06-05 05:27:53,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507244105] [2021-06-05 05:27:53,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 05:27:53,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:53,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 05:27:53,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2021-06-05 05:27:53,186 INFO L87 Difference]: Start difference. First operand 13017 states and 32908 transitions. Second operand has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:54,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:54,283 INFO L93 Difference]: Finished difference Result 16039 states and 39737 transitions. [2021-06-05 05:27:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-05 05:27:54,284 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 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 36 [2021-06-05 05:27:54,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:54,302 INFO L225 Difference]: With dead ends: 16039 [2021-06-05 05:27:54,302 INFO L226 Difference]: Without dead ends: 16019 [2021-06-05 05:27:54,303 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2051 ImplicationChecksByTransitivity, 958.4ms TimeCoverageRelationStatistics Valid=1551, Invalid=4769, Unknown=0, NotChecked=0, Total=6320 [2021-06-05 05:27:54,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16019 states. [2021-06-05 05:27:54,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16019 to 13397. [2021-06-05 05:27:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13397 states, 13396 states have (on average 2.5326216781128696) internal successors, (33927), 13396 states have internal predecessors, (33927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:54,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13397 states to 13397 states and 33927 transitions. [2021-06-05 05:27:54,515 INFO L78 Accepts]: Start accepts. Automaton has 13397 states and 33927 transitions. Word has length 36 [2021-06-05 05:27:54,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:54,515 INFO L482 AbstractCegarLoop]: Abstraction has 13397 states and 33927 transitions. [2021-06-05 05:27:54,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.3846153846153846) internal successors, (62), 25 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 13397 states and 33927 transitions. [2021-06-05 05:27:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:54,523 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:54,523 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:54,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable751 [2021-06-05 05:27:54,724 INFO L430 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:54,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:54,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1229623750, now seen corresponding path program 98 times [2021-06-05 05:27:54,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:54,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934378266] [2021-06-05 05:27:54,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:54,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:54,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934378266] [2021-06-05 05:27:54,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934378266] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:54,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457765129] [2021-06-05 05:27:54,802 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 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:54,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:27:54,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:54,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:54,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:55,033 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:55,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457765129] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:55,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:55,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-06-05 05:27:55,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304581999] [2021-06-05 05:27:55,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 05:27:55,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:55,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 05:27:55,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:27:55,034 INFO L87 Difference]: Start difference. First operand 13397 states and 33927 transitions. Second operand has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:56,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:56,204 INFO L93 Difference]: Finished difference Result 17468 states and 43250 transitions. [2021-06-05 05:27:56,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-05 05:27:56,205 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 36 [2021-06-05 05:27:56,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:56,225 INFO L225 Difference]: With dead ends: 17468 [2021-06-05 05:27:56,225 INFO L226 Difference]: Without dead ends: 17440 [2021-06-05 05:27:56,226 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 1036.3ms TimeCoverageRelationStatistics Valid=1619, Invalid=5187, Unknown=0, NotChecked=0, Total=6806 [2021-06-05 05:27:56,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17440 states. [2021-06-05 05:27:56,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17440 to 15583. [2021-06-05 05:27:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15583 states, 15582 states have (on average 2.5360672570915157) internal successors, (39517), 15582 states have internal predecessors, (39517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15583 states to 15583 states and 39517 transitions. [2021-06-05 05:27:56,588 INFO L78 Accepts]: Start accepts. Automaton has 15583 states and 39517 transitions. Word has length 36 [2021-06-05 05:27:56,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:56,589 INFO L482 AbstractCegarLoop]: Abstraction has 15583 states and 39517 transitions. [2021-06-05 05:27:56,589 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2962962962962963) internal successors, (62), 26 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 15583 states and 39517 transitions. [2021-06-05 05:27:56,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:56,597 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:56,597 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:56,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable752,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:56,809 INFO L430 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:56,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:56,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1433554762, now seen corresponding path program 99 times [2021-06-05 05:27:56,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:56,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007134154] [2021-06-05 05:27:56,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:27:56,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:56,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007134154] [2021-06-05 05:27:56,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007134154] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:56,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603618186] [2021-06-05 05:27:56,917 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 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:56,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-05 05:27:56,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:56,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:56,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:57,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603618186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:57,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:57,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2021-06-05 05:27:57,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075434649] [2021-06-05 05:27:57,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 05:27:57,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:57,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 05:27:57,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=620, Unknown=0, NotChecked=0, Total=756 [2021-06-05 05:27:57,193 INFO L87 Difference]: Start difference. First operand 15583 states and 39517 transitions. Second operand has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:27:58,577 INFO L93 Difference]: Finished difference Result 20026 states and 49571 transitions. [2021-06-05 05:27:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-06-05 05:27:58,578 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 36 [2021-06-05 05:27:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:27:58,602 INFO L225 Difference]: With dead ends: 20026 [2021-06-05 05:27:58,602 INFO L226 Difference]: Without dead ends: 19990 [2021-06-05 05:27:58,603 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2515 ImplicationChecksByTransitivity, 1219.3ms TimeCoverageRelationStatistics Valid=1799, Invalid=5857, Unknown=0, NotChecked=0, Total=7656 [2021-06-05 05:27:58,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19990 states. [2021-06-05 05:27:58,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19990 to 17983. [2021-06-05 05:27:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17983 states, 17982 states have (on average 2.533644755866978) internal successors, (45560), 17982 states have internal predecessors, (45560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17983 states to 17983 states and 45560 transitions. [2021-06-05 05:27:58,932 INFO L78 Accepts]: Start accepts. Automaton has 17983 states and 45560 transitions. Word has length 36 [2021-06-05 05:27:58,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:27:58,932 INFO L482 AbstractCegarLoop]: Abstraction has 17983 states and 45560 transitions. [2021-06-05 05:27:58,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.2142857142857144) internal successors, (62), 27 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:27:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 17983 states and 45560 transitions. [2021-06-05 05:27:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 05:27:58,942 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:27:58,942 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:27:59,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable753 [2021-06-05 05:27:59,142 INFO L430 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:27:59,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:27:59,143 INFO L82 PathProgramCache]: Analyzing trace with hash 157238322, now seen corresponding path program 100 times [2021-06-05 05:27:59,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:27:59,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258680260] [2021-06-05 05:27:59,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:27:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:27:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:59,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:27:59,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258680260] [2021-06-05 05:27:59,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258680260] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:59,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917376580] [2021-06-05 05:27:59,234 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 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:27:59,257 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:27:59,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:27:59,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-05 05:27:59,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:27:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:27:59,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917376580] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:27:59,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:27:59,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-05 05:27:59,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130632149] [2021-06-05 05:27:59,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 05:27:59,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:27:59,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 05:27:59,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=659, Unknown=0, NotChecked=0, Total=812 [2021-06-05 05:27:59,476 INFO L87 Difference]: Start difference. First operand 17983 states and 45560 transitions. Second operand has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 28 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:00,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:00,828 INFO L93 Difference]: Finished difference Result 19957 states and 49654 transitions. [2021-06-05 05:28:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-05 05:28:00,828 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 28 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 36 [2021-06-05 05:28:00,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:00,851 INFO L225 Difference]: With dead ends: 19957 [2021-06-05 05:28:00,852 INFO L226 Difference]: Without dead ends: 19913 [2021-06-05 05:28:00,852 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3033 ImplicationChecksByTransitivity, 1259.8ms TimeCoverageRelationStatistics Valid=2089, Invalid=6841, Unknown=0, NotChecked=0, Total=8930 [2021-06-05 05:28:00,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19913 states. [2021-06-05 05:28:01,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19913 to 18106. [2021-06-05 05:28:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18106 states, 18105 states have (on average 2.5389671361502346) internal successors, (45968), 18105 states have internal predecessors, (45968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18106 states to 18106 states and 45968 transitions. [2021-06-05 05:28:01,131 INFO L78 Accepts]: Start accepts. Automaton has 18106 states and 45968 transitions. Word has length 36 [2021-06-05 05:28:01,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:01,131 INFO L482 AbstractCegarLoop]: Abstraction has 18106 states and 45968 transitions. [2021-06-05 05:28:01,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.1379310344827585) internal successors, (62), 28 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 18106 states and 45968 transitions. [2021-06-05 05:28:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 05:28:01,142 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:01,142 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:01,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable754,101 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:01,343 INFO L430 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:01,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:01,343 INFO L82 PathProgramCache]: Analyzing trace with hash -380198988, now seen corresponding path program 101 times [2021-06-05 05:28:01,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:01,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193110758] [2021-06-05 05:28:01,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:01,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:01,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193110758] [2021-06-05 05:28:01,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193110758] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:01,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689349436] [2021-06-05 05:28:01,379 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 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:01,405 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 05:28:01,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:01,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-05 05:28:01,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:01,629 INFO L354 Elim1Store]: treesize reduction 96, result has 43.2 percent of original size [2021-06-05 05:28:01,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 163 treesize of output 143 [2021-06-05 05:28:02,399 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:28:02,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:02,774 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:28:02,774 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:163, output treesize:285 [2021-06-05 05:28:03,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 05:28:03,655 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-05 05:28:05,420 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 05:28:05,540 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-05 05:28:07,926 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-06-05 05:28:08,219 INFO L354 Elim1Store]: treesize reduction 101, result has 16.5 percent of original size [2021-06-05 05:28:08,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 156 treesize of output 76 [2021-06-05 05:28:08,221 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:08,326 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-05 05:28:08,326 INFO L628 ElimStorePlain]: treesize reduction 440, result has 43.3 percent of original size [2021-06-05 05:28:08,392 INFO L354 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2021-06-05 05:28:08,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 55 [2021-06-05 05:28:08,394 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:08,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:08,451 INFO L354 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2021-06-05 05:28:08,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 41 [2021-06-05 05:28:08,453 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:08,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:08,507 INFO L354 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2021-06-05 05:28:08,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 40 [2021-06-05 05:28:08,508 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:08,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:08,563 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-06-05 05:28:08,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 46 [2021-06-05 05:28:08,565 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:08,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:08,646 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-06-05 05:28:08,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 102 [2021-06-05 05:28:08,649 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:08,656 INFO L628 ElimStorePlain]: treesize reduction 38, result has 7.3 percent of original size [2021-06-05 05:28:08,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:08,657 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:920, output treesize:3 [2021-06-05 05:28:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:08,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689349436] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:08,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:08,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 05:28:08,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961874064] [2021-06-05 05:28:08,662 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:28:08,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:08,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:28:08,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:08,662 INFO L87 Difference]: Start difference. First operand 18106 states and 45968 transitions. Second operand has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:09,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:09,219 INFO L93 Difference]: Finished difference Result 20298 states and 51395 transitions. [2021-06-05 05:28:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-05 05:28:09,219 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 05:28:09,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:09,244 INFO L225 Difference]: With dead ends: 20298 [2021-06-05 05:28:09,244 INFO L226 Difference]: Without dead ends: 20291 [2021-06-05 05:28:09,244 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 3595.5ms TimeCoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:28:09,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20291 states. [2021-06-05 05:28:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20291 to 19572. [2021-06-05 05:28:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19572 states, 19571 states have (on average 2.545552092381585) internal successors, (49819), 19571 states have internal predecessors, (49819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19572 states to 19572 states and 49819 transitions. [2021-06-05 05:28:09,551 INFO L78 Accepts]: Start accepts. Automaton has 19572 states and 49819 transitions. Word has length 38 [2021-06-05 05:28:09,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:09,551 INFO L482 AbstractCegarLoop]: Abstraction has 19572 states and 49819 transitions. [2021-06-05 05:28:09,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:09,552 INFO L276 IsEmpty]: Start isEmpty. Operand 19572 states and 49819 transitions. [2021-06-05 05:28:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 05:28:09,562 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:09,563 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:09,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable755 [2021-06-05 05:28:09,764 INFO L430 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:09,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:09,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1616439732, now seen corresponding path program 102 times [2021-06-05 05:28:09,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:09,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196344214] [2021-06-05 05:28:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:28:09,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:09,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196344214] [2021-06-05 05:28:09,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196344214] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:09,799 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747960605] [2021-06-05 05:28:09,799 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 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:09,826 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:28:09,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:09,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-05 05:28:09,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:10,064 INFO L446 ElimStorePlain]: Different costs {15=[f], 55=[f_inv]} [2021-06-05 05:28:10,122 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-06-05 05:28:10,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 158 [2021-06-05 05:28:12,036 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:28:12,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:12,110 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:12,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 307 treesize of output 214 [2021-06-05 05:28:12,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:12,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:12,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:12,165 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:201, output treesize:3 [2021-06-05 05:28:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:28:12,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747960605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:12,172 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:12,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 05:28:12,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138243742] [2021-06-05 05:28:12,173 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:28:12,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:12,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:28:12,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:12,173 INFO L87 Difference]: Start difference. First operand 19572 states and 49819 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:12,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:12,393 INFO L93 Difference]: Finished difference Result 20658 states and 52485 transitions. [2021-06-05 05:28:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 05:28:12,393 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) 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 38 [2021-06-05 05:28:12,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:12,419 INFO L225 Difference]: With dead ends: 20658 [2021-06-05 05:28:12,419 INFO L226 Difference]: Without dead ends: 20649 [2021-06-05 05:28:12,419 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 218.5ms TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:12,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20649 states. [2021-06-05 05:28:12,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20649 to 20358. [2021-06-05 05:28:12,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20358 states, 20357 states have (on average 2.5531758117600827) internal successors, (51975), 20357 states have internal predecessors, (51975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20358 states to 20358 states and 51975 transitions. [2021-06-05 05:28:12,727 INFO L78 Accepts]: Start accepts. Automaton has 20358 states and 51975 transitions. Word has length 38 [2021-06-05 05:28:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:12,727 INFO L482 AbstractCegarLoop]: Abstraction has 20358 states and 51975 transitions. [2021-06-05 05:28:12,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 20358 states and 51975 transitions. [2021-06-05 05:28:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 05:28:12,738 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:12,738 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:12,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1616,103 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:12,940 INFO L430 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:12,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:12,940 INFO L82 PathProgramCache]: Analyzing trace with hash 945582004, now seen corresponding path program 103 times [2021-06-05 05:28:12,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:12,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556787023] [2021-06-05 05:28:12,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:28:12,976 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:12,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556787023] [2021-06-05 05:28:12,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556787023] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:12,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121104321] [2021-06-05 05:28:12,976 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 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:13,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-05 05:28:13,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:13,270 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 59 [2021-06-05 05:28:13,270 INFO L354 Elim1Store]: treesize reduction 301, result has 33.0 percent of original size [2021-06-05 05:28:13,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 158 treesize of output 200 [2021-06-05 05:28:13,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:13,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:13,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:13,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:232 [2021-06-05 05:28:13,374 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 05:28:13,631 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2021-06-05 05:28:13,650 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_87], 6=[v_prenex_88], 10=[f], 15=[v_prenex_89]} [2021-06-05 05:28:13,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:13,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-05 05:28:13,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:13,674 INFO L628 ElimStorePlain]: treesize reduction 180, result has 1.6 percent of original size [2021-06-05 05:28:13,675 INFO L518 ElimStorePlain]: Eliminatee v_prenex_88 vanished before elimination [2021-06-05 05:28:13,675 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 05:28:13,675 INFO L518 ElimStorePlain]: Eliminatee v_prenex_89 vanished before elimination [2021-06-05 05:28:13,675 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:13,675 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:199, output treesize:3 [2021-06-05 05:28:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:28:13,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121104321] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:13,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:13,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 05:28:13,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432935203] [2021-06-05 05:28:13,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:28:13,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:13,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:28:13,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:13,685 INFO L87 Difference]: Start difference. First operand 20358 states and 51975 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:13,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:13,983 INFO L93 Difference]: Finished difference Result 21714 states and 55240 transitions. [2021-06-05 05:28:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 05:28:13,983 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) 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 38 [2021-06-05 05:28:13,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:14,009 INFO L225 Difference]: With dead ends: 21714 [2021-06-05 05:28:14,009 INFO L226 Difference]: Without dead ends: 21689 [2021-06-05 05:28:14,009 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 350.6ms TimeCoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:14,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21689 states. [2021-06-05 05:28:14,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21689 to 20898. [2021-06-05 05:28:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20898 states, 20897 states have (on average 2.5599368330382353) internal successors, (53495), 20897 states have internal predecessors, (53495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20898 states to 20898 states and 53495 transitions. [2021-06-05 05:28:14,325 INFO L78 Accepts]: Start accepts. Automaton has 20898 states and 53495 transitions. Word has length 38 [2021-06-05 05:28:14,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:14,326 INFO L482 AbstractCegarLoop]: Abstraction has 20898 states and 53495 transitions. [2021-06-05 05:28:14,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 20898 states and 53495 transitions. [2021-06-05 05:28:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 05:28:14,337 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:14,337 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:14,538 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2397 [2021-06-05 05:28:14,538 INFO L430 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:14,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:14,538 INFO L82 PathProgramCache]: Analyzing trace with hash 496399796, now seen corresponding path program 104 times [2021-06-05 05:28:14,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:14,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433214069] [2021-06-05 05:28:14,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:28:14,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:14,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433214069] [2021-06-05 05:28:14,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433214069] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:14,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644293834] [2021-06-05 05:28:14,580 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 105 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 105 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:14,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:28:14,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:14,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-05 05:28:14,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:14,849 INFO L354 Elim1Store]: treesize reduction 186, result has 39.8 percent of original size [2021-06-05 05:28:14,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 13 new quantified variables, introduced 28 case distinctions, treesize of input 160 treesize of output 171 [2021-06-05 05:28:14,851 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:14,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:14,882 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:14,883 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:186 [2021-06-05 05:28:14,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 05:28:15,144 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-06-05 05:28:15,219 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_90], 6=[v_prenex_92], 10=[f], 15=[v_prenex_91]} [2021-06-05 05:28:15,230 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:15,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-05 05:28:15,239 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:15,245 INFO L628 ElimStorePlain]: treesize reduction 162, result has 1.8 percent of original size [2021-06-05 05:28:15,245 INFO L518 ElimStorePlain]: Eliminatee v_prenex_92 vanished before elimination [2021-06-05 05:28:15,245 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 05:28:15,245 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-06-05 05:28:15,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:15,246 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:181, output treesize:3 [2021-06-05 05:28:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:28:15,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644293834] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:15,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:15,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 05:28:15,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291407734] [2021-06-05 05:28:15,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:28:15,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:15,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:28:15,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:15,254 INFO L87 Difference]: Start difference. First operand 20898 states and 53495 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:15,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:15,535 INFO L93 Difference]: Finished difference Result 22481 states and 57375 transitions. [2021-06-05 05:28:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 05:28:15,535 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) 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 38 [2021-06-05 05:28:15,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:15,563 INFO L225 Difference]: With dead ends: 22481 [2021-06-05 05:28:15,563 INFO L226 Difference]: Without dead ends: 22452 [2021-06-05 05:28:15,563 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 372.5ms TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:15,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22452 states. [2021-06-05 05:28:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22452 to 21528. [2021-06-05 05:28:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21528 states, 21527 states have (on average 2.5663585265016025) internal successors, (55246), 21527 states have internal predecessors, (55246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21528 states to 21528 states and 55246 transitions. [2021-06-05 05:28:16,005 INFO L78 Accepts]: Start accepts. Automaton has 21528 states and 55246 transitions. Word has length 38 [2021-06-05 05:28:16,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:16,006 INFO L482 AbstractCegarLoop]: Abstraction has 21528 states and 55246 transitions. [2021-06-05 05:28:16,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 21528 states and 55246 transitions. [2021-06-05 05:28:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 05:28:16,019 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:16,019 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:16,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2408 [2021-06-05 05:28:16,220 INFO L430 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:16,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:16,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1670972492, now seen corresponding path program 105 times [2021-06-05 05:28:16,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:16,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324839711] [2021-06-05 05:28:16,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:28:16,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:16,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324839711] [2021-06-05 05:28:16,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324839711] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:16,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570480458] [2021-06-05 05:28:16,255 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 106 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 106 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:16,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-05 05:28:16,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:16,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 05:28:16,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:16,514 INFO L446 ElimStorePlain]: Different costs {28=[f_inv], 36=[f]} [2021-06-05 05:28:16,593 INFO L354 Elim1Store]: treesize reduction 167, result has 37.5 percent of original size [2021-06-05 05:28:16,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 213 treesize of output 174 [2021-06-05 05:28:16,765 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:28:16,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:16,839 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:16,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 211 [2021-06-05 05:28:17,125 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:17,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:17,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:17,126 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:213, output treesize:3 [2021-06-05 05:28:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:28:17,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570480458] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:17,135 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:17,135 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 05:28:17,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978584487] [2021-06-05 05:28:17,135 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:28:17,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:17,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:28:17,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:17,136 INFO L87 Difference]: Start difference. First operand 21528 states and 55246 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:17,398 INFO L93 Difference]: Finished difference Result 23080 states and 59124 transitions. [2021-06-05 05:28:17,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 05:28:17,399 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) 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 38 [2021-06-05 05:28:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:17,427 INFO L225 Difference]: With dead ends: 23080 [2021-06-05 05:28:17,427 INFO L226 Difference]: Without dead ends: 23054 [2021-06-05 05:28:17,427 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 212.3ms TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:17,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23054 states. [2021-06-05 05:28:17,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23054 to 22204. [2021-06-05 05:28:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22204 states, 22203 states have (on average 2.572535242985182) internal successors, (57118), 22203 states have internal predecessors, (57118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22204 states to 22204 states and 57118 transitions. [2021-06-05 05:28:17,837 INFO L78 Accepts]: Start accepts. Automaton has 22204 states and 57118 transitions. Word has length 38 [2021-06-05 05:28:17,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:17,837 INFO L482 AbstractCegarLoop]: Abstraction has 22204 states and 57118 transitions. [2021-06-05 05:28:17,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 22204 states and 57118 transitions. [2021-06-05 05:28:17,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 05:28:17,851 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:17,851 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:18,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2423 [2021-06-05 05:28:18,052 INFO L430 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:18,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:18,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1456602700, now seen corresponding path program 106 times [2021-06-05 05:28:18,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:18,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508776133] [2021-06-05 05:28:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:28:18,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:18,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508776133] [2021-06-05 05:28:18,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508776133] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:18,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085211233] [2021-06-05 05:28:18,091 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 107 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 107 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:18,115 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:28:18,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:18,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-05 05:28:18,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:18,269 INFO L354 Elim1Store]: treesize reduction 48, result has 63.4 percent of original size [2021-06-05 05:28:18,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 140 treesize of output 129 [2021-06-05 05:28:18,272 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:18,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:18,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:18,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:284 [2021-06-05 05:28:18,837 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 05:28:18,993 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-05 05:28:21,117 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-06-05 05:28:21,680 INFO L446 ElimStorePlain]: Different costs {10=[f], 15=[v_prenex_107, v_prenex_103, v_prenex_104, v_prenex_105, v_prenex_106]} [2021-06-05 05:28:21,687 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-06-05 05:28:21,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 160 treesize of output 46 [2021-06-05 05:28:21,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:21,791 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-06-05 05:28:21,791 INFO L628 ElimStorePlain]: treesize reduction 447, result has 42.9 percent of original size [2021-06-05 05:28:21,820 INFO L354 Elim1Store]: treesize reduction 57, result has 29.6 percent of original size [2021-06-05 05:28:21,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 49 [2021-06-05 05:28:21,822 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:21,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:21,914 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-06-05 05:28:21,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 99 [2021-06-05 05:28:21,925 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:21,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:21,968 INFO L354 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2021-06-05 05:28:21,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 35 [2021-06-05 05:28:21,969 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:21,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:22,027 INFO L354 Elim1Store]: treesize reduction 44, result has 45.7 percent of original size [2021-06-05 05:28:22,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 62 [2021-06-05 05:28:22,029 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:22,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:22,075 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-06-05 05:28:22,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 52 treesize of output 43 [2021-06-05 05:28:22,077 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:22,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:22,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:22,095 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:936, output treesize:3 [2021-06-05 05:28:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:28:22,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085211233] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:22,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:22,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 05:28:22,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520688604] [2021-06-05 05:28:22,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:28:22,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:22,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:28:22,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:22,103 INFO L87 Difference]: Start difference. First operand 22204 states and 57118 transitions. Second operand has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:22,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:22,747 INFO L93 Difference]: Finished difference Result 23947 states and 61327 transitions. [2021-06-05 05:28:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 05:28:22,747 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.05) 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 38 [2021-06-05 05:28:22,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:22,779 INFO L225 Difference]: With dead ends: 23947 [2021-06-05 05:28:22,779 INFO L226 Difference]: Without dead ends: 23910 [2021-06-05 05:28:22,779 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2215.1ms TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:22,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23910 states. [2021-06-05 05:28:23,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23910 to 22942. [2021-06-05 05:28:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22942 states, 22941 states have (on average 2.580489080685236) internal successors, (59199), 22941 states have internal predecessors, (59199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22942 states to 22942 states and 59199 transitions. [2021-06-05 05:28:23,205 INFO L78 Accepts]: Start accepts. Automaton has 22942 states and 59199 transitions. Word has length 38 [2021-06-05 05:28:23,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:23,206 INFO L482 AbstractCegarLoop]: Abstraction has 22942 states and 59199 transitions. [2021-06-05 05:28:23,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 22942 states and 59199 transitions. [2021-06-05 05:28:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 05:28:23,221 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:23,221 INFO L521 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:23,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2552,107 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:23,421 INFO L430 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:23,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:23,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1605662796, now seen corresponding path program 107 times [2021-06-05 05:28:23,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:23,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993491319] [2021-06-05 05:28:23,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:28:23,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:23,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993491319] [2021-06-05 05:28:23,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993491319] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:23,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136035230] [2021-06-05 05:28:23,465 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 108 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:23,491 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 05:28:23,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:23,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-05 05:28:23,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:23,632 INFO L354 Elim1Store]: treesize reduction 48, result has 60.3 percent of original size [2021-06-05 05:28:23,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 118 treesize of output 121 [2021-06-05 05:28:23,635 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:23,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:23,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:23,668 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:276 [2021-06-05 05:28:24,062 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-06-05 05:28:24,181 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 181 [2021-06-05 05:28:24,414 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2021-06-05 05:28:26,335 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 324 DAG size of output: 48 [2021-06-05 05:28:27,040 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-06-05 05:28:27,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 57 [2021-06-05 05:28:27,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:27,141 INFO L628 ElimStorePlain]: treesize reduction 462, result has 40.3 percent of original size [2021-06-05 05:28:27,173 INFO L354 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2021-06-05 05:28:27,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 46 [2021-06-05 05:28:27,175 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:27,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:27,244 INFO L354 Elim1Store]: treesize reduction 94, result has 22.3 percent of original size [2021-06-05 05:28:27,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 55 [2021-06-05 05:28:27,246 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:27,274 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:27,302 INFO L354 Elim1Store]: treesize reduction 108, result has 10.7 percent of original size [2021-06-05 05:28:27,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 40 [2021-06-05 05:28:27,303 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:27,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:27,373 INFO L354 Elim1Store]: treesize reduction 81, result has 33.1 percent of original size [2021-06-05 05:28:27,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 68 [2021-06-05 05:28:27,375 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:27,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:28:27,456 INFO L354 Elim1Store]: treesize reduction 60, result has 50.4 percent of original size [2021-06-05 05:28:27,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 81 treesize of output 102 [2021-06-05 05:28:27,459 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 05:28:27,466 INFO L628 ElimStorePlain]: treesize reduction 38, result has 7.3 percent of original size [2021-06-05 05:28:27,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:28:27,467 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:920, output treesize:3 [2021-06-05 05:28:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:28:27,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136035230] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:27,475 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:27,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2021-06-05 05:28:27,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008980032] [2021-06-05 05:28:27,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 05:28:27,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:27,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 05:28:27,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:27,475 INFO L87 Difference]: Start difference. First operand 22942 states and 59199 transitions. Second operand has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:28,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:28,159 INFO L93 Difference]: Finished difference Result 24204 states and 62062 transitions. [2021-06-05 05:28:28,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 05:28:28,159 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-05 05:28:28,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:28,186 INFO L225 Difference]: With dead ends: 24204 [2021-06-05 05:28:28,186 INFO L226 Difference]: Without dead ends: 24197 [2021-06-05 05:28:28,186 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2232.8ms TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-05 05:28:28,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24197 states. [2021-06-05 05:28:28,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24197 to 23411. [2021-06-05 05:28:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23411 states, 23410 states have (on average 2.5850918410935497) internal successors, (60517), 23410 states have internal predecessors, (60517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23411 states to 23411 states and 60517 transitions. [2021-06-05 05:28:28,531 INFO L78 Accepts]: Start accepts. Automaton has 23411 states and 60517 transitions. Word has length 38 [2021-06-05 05:28:28,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:28,531 INFO L482 AbstractCegarLoop]: Abstraction has 23411 states and 60517 transitions. [2021-06-05 05:28:28,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 23411 states and 60517 transitions. [2021-06-05 05:28:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:28,548 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:28,548 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:28,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2700 [2021-06-05 05:28:28,764 INFO L430 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:28,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:28,764 INFO L82 PathProgramCache]: Analyzing trace with hash -36252106, now seen corresponding path program 108 times [2021-06-05 05:28:28,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:28,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990224843] [2021-06-05 05:28:28,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:28,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:28,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990224843] [2021-06-05 05:28:28,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990224843] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:28,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243231535] [2021-06-05 05:28:28,930 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 109 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:28,961 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:28:28,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:28,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:28,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:29,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243231535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:29,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:29,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 33 [2021-06-05 05:28:29,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404233525] [2021-06-05 05:28:29,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 05:28:29,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:29,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 05:28:29,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=908, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 05:28:29,273 INFO L87 Difference]: Start difference. First operand 23411 states and 60517 transitions. Second operand has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 33 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:31,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:31,292 INFO L93 Difference]: Finished difference Result 25898 states and 65777 transitions. [2021-06-05 05:28:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-05 05:28:31,292 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 33 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 05:28:31,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:31,325 INFO L225 Difference]: With dead ends: 25898 [2021-06-05 05:28:31,326 INFO L226 Difference]: Without dead ends: 25898 [2021-06-05 05:28:31,327 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3673 ImplicationChecksByTransitivity, 1768.0ms TimeCoverageRelationStatistics Valid=3180, Invalid=9030, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 05:28:31,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25898 states. [2021-06-05 05:28:31,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25898 to 21896. [2021-06-05 05:28:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21896 states, 21895 states have (on average 2.5780771865722767) internal successors, (56447), 21895 states have internal predecessors, (56447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21896 states to 21896 states and 56447 transitions. [2021-06-05 05:28:31,667 INFO L78 Accepts]: Start accepts. Automaton has 21896 states and 56447 transitions. Word has length 40 [2021-06-05 05:28:31,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:31,667 INFO L482 AbstractCegarLoop]: Abstraction has 21896 states and 56447 transitions. [2021-06-05 05:28:31,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.176470588235294) internal successors, (74), 33 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 21896 states and 56447 transitions. [2021-06-05 05:28:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:31,682 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:31,682 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:31,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2849,109 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:31,882 INFO L430 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:31,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:31,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1222061710, now seen corresponding path program 109 times [2021-06-05 05:28:31,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:31,883 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525285712] [2021-06-05 05:28:31,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:32,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:32,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525285712] [2021-06-05 05:28:32,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525285712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:32,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703792914] [2021-06-05 05:28:32,008 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 110 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 110 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:32,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:32,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:32,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703792914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:32,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:32,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-05 05:28:32,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502692312] [2021-06-05 05:28:32,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 05:28:32,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:32,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 05:28:32,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 05:28:32,311 INFO L87 Difference]: Start difference. First operand 21896 states and 56447 transitions. Second operand has 33 states, 33 states have (on average 2.1818181818181817) internal successors, (72), 32 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:35,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:35,380 INFO L93 Difference]: Finished difference Result 30410 states and 76384 transitions. [2021-06-05 05:28:35,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-06-05 05:28:35,381 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.1818181818181817) internal successors, (72), 32 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 05:28:35,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:35,424 INFO L225 Difference]: With dead ends: 30410 [2021-06-05 05:28:35,424 INFO L226 Difference]: Without dead ends: 30222 [2021-06-05 05:28:35,426 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7844 ImplicationChecksByTransitivity, 2821.9ms TimeCoverageRelationStatistics Valid=4727, Invalid=17923, Unknown=0, NotChecked=0, Total=22650 [2021-06-05 05:28:35,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30222 states. [2021-06-05 05:28:35,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30222 to 22632. [2021-06-05 05:28:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22632 states, 22631 states have (on average 2.5780124607838806) internal successors, (58343), 22631 states have internal predecessors, (58343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22632 states to 22632 states and 58343 transitions. [2021-06-05 05:28:35,892 INFO L78 Accepts]: Start accepts. Automaton has 22632 states and 58343 transitions. Word has length 40 [2021-06-05 05:28:35,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:35,892 INFO L482 AbstractCegarLoop]: Abstraction has 22632 states and 58343 transitions. [2021-06-05 05:28:35,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.1818181818181817) internal successors, (72), 32 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 22632 states and 58343 transitions. [2021-06-05 05:28:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:35,908 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:35,908 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:36,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2850 [2021-06-05 05:28:36,108 INFO L430 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:36,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:36,109 INFO L82 PathProgramCache]: Analyzing trace with hash -714294378, now seen corresponding path program 110 times [2021-06-05 05:28:36,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:36,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343540322] [2021-06-05 05:28:36,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:36,184 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:36,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343540322] [2021-06-05 05:28:36,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343540322] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:36,184 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720845265] [2021-06-05 05:28:36,184 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 111 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 111 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:36,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:28:36,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:36,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:36,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:36,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720845265] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:36,468 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:36,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-06-05 05:28:36,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118380934] [2021-06-05 05:28:36,468 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 05:28:36,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:36,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 05:28:36,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:28:36,469 INFO L87 Difference]: Start difference. First operand 22632 states and 58343 transitions. Second operand has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:38,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:38,998 INFO L93 Difference]: Finished difference Result 39864 states and 101563 transitions. [2021-06-05 05:28:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-06-05 05:28:38,998 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:28:38,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:39,053 INFO L225 Difference]: With dead ends: 39864 [2021-06-05 05:28:39,053 INFO L226 Difference]: Without dead ends: 39844 [2021-06-05 05:28:39,055 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6651 ImplicationChecksByTransitivity, 2138.7ms TimeCoverageRelationStatistics Valid=4595, Invalid=12961, Unknown=0, NotChecked=0, Total=17556 [2021-06-05 05:28:39,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39844 states. [2021-06-05 05:28:39,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39844 to 29497. [2021-06-05 05:28:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29497 states, 29496 states have (on average 2.577230810957418) internal successors, (76018), 29496 states have internal predecessors, (76018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 76018 transitions. [2021-06-05 05:28:39,604 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 76018 transitions. Word has length 40 [2021-06-05 05:28:39,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:39,604 INFO L482 AbstractCegarLoop]: Abstraction has 29497 states and 76018 transitions. [2021-06-05 05:28:39,605 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 76018 transitions. [2021-06-05 05:28:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:39,621 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:39,621 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:39,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2851 [2021-06-05 05:28:39,821 INFO L430 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:39,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:39,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2098192460, now seen corresponding path program 111 times [2021-06-05 05:28:39,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:39,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792806975] [2021-06-05 05:28:39,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:39,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:39,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792806975] [2021-06-05 05:28:39,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792806975] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:39,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616889338] [2021-06-05 05:28:39,891 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 112 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 112 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:39,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-05 05:28:39,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:39,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:39,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:40,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616889338] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:40,172 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:40,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-06-05 05:28:40,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035422499] [2021-06-05 05:28:40,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 05:28:40,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:40,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 05:28:40,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:28:40,173 INFO L87 Difference]: Start difference. First operand 29497 states and 76018 transitions. Second operand has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:42,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:42,014 INFO L93 Difference]: Finished difference Result 30394 states and 77833 transitions. [2021-06-05 05:28:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-05 05:28:42,014 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:28:42,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:42,055 INFO L225 Difference]: With dead ends: 30394 [2021-06-05 05:28:42,055 INFO L226 Difference]: Without dead ends: 30390 [2021-06-05 05:28:42,056 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3712 ImplicationChecksByTransitivity, 1563.9ms TimeCoverageRelationStatistics Valid=2606, Invalid=8314, Unknown=0, NotChecked=0, Total=10920 [2021-06-05 05:28:42,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30390 states. [2021-06-05 05:28:42,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30390 to 29497. [2021-06-05 05:28:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29497 states, 29496 states have (on average 2.5766883645240033) internal successors, (76002), 29496 states have internal predecessors, (76002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29497 states to 29497 states and 76002 transitions. [2021-06-05 05:28:42,493 INFO L78 Accepts]: Start accepts. Automaton has 29497 states and 76002 transitions. Word has length 40 [2021-06-05 05:28:42,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:42,493 INFO L482 AbstractCegarLoop]: Abstraction has 29497 states and 76002 transitions. [2021-06-05 05:28:42,493 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29497 states and 76002 transitions. [2021-06-05 05:28:42,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:42,511 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:42,511 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:42,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2852 [2021-06-05 05:28:42,711 INFO L430 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:42,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1992334194, now seen corresponding path program 112 times [2021-06-05 05:28:42,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:42,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137010527] [2021-06-05 05:28:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 53 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:28:42,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:42,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137010527] [2021-06-05 05:28:42,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137010527] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:42,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444806361] [2021-06-05 05:28:42,790 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 113 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 113 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:42,815 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:28:42,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:42,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:42,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:43,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444806361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:43,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:43,075 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-06-05 05:28:43,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183373614] [2021-06-05 05:28:43,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 05:28:43,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:43,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 05:28:43,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:28:43,076 INFO L87 Difference]: Start difference. First operand 29497 states and 76002 transitions. Second operand has 27 states, 27 states have (on average 2.6666666666666665) internal successors, (72), 26 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:44,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:44,440 INFO L93 Difference]: Finished difference Result 37584 states and 96225 transitions. [2021-06-05 05:28:44,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-05 05:28:44,441 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.6666666666666665) internal successors, (72), 26 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 05:28:44,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:44,500 INFO L225 Difference]: With dead ends: 37584 [2021-06-05 05:28:44,500 INFO L226 Difference]: Without dead ends: 37560 [2021-06-05 05:28:44,501 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2330 ImplicationChecksByTransitivity, 1149.8ms TimeCoverageRelationStatistics Valid=1833, Invalid=5649, Unknown=0, NotChecked=0, Total=7482 [2021-06-05 05:28:44,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37560 states. [2021-06-05 05:28:45,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37560 to 29719. [2021-06-05 05:28:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29719 states, 29718 states have (on average 2.5852345379904436) internal successors, (76828), 29718 states have internal predecessors, (76828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29719 states to 29719 states and 76828 transitions. [2021-06-05 05:28:45,166 INFO L78 Accepts]: Start accepts. Automaton has 29719 states and 76828 transitions. Word has length 40 [2021-06-05 05:28:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:45,166 INFO L482 AbstractCegarLoop]: Abstraction has 29719 states and 76828 transitions. [2021-06-05 05:28:45,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.6666666666666665) internal successors, (72), 26 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 29719 states and 76828 transitions. [2021-06-05 05:28:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:45,183 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:45,183 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:45,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2853 [2021-06-05 05:28:45,384 INFO L430 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:45,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:45,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1162838014, now seen corresponding path program 113 times [2021-06-05 05:28:45,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:45,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267299852] [2021-06-05 05:28:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:45,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:45,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267299852] [2021-06-05 05:28:45,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267299852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:45,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965151133] [2021-06-05 05:28:45,455 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 114 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 114 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:45,483 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-05 05:28:45,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:45,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:45,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:45,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965151133] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:45,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:45,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-05 05:28:45,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740935275] [2021-06-05 05:28:45,736 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 05:28:45,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:45,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 05:28:45,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2021-06-05 05:28:45,736 INFO L87 Difference]: Start difference. First operand 29719 states and 76828 transitions. Second operand has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:47,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:47,513 INFO L93 Difference]: Finished difference Result 32131 states and 82168 transitions. [2021-06-05 05:28:47,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-05 05:28:47,513 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:28:47,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:47,556 INFO L225 Difference]: With dead ends: 32131 [2021-06-05 05:28:47,556 INFO L226 Difference]: Without dead ends: 32111 [2021-06-05 05:28:47,557 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3894 ImplicationChecksByTransitivity, 1552.2ms TimeCoverageRelationStatistics Valid=2672, Invalid=8670, Unknown=0, NotChecked=0, Total=11342 [2021-06-05 05:28:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32111 states. [2021-06-05 05:28:47,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32111 to 30307. [2021-06-05 05:28:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30307 states, 30306 states have (on average 2.587045469543985) internal successors, (78403), 30306 states have internal predecessors, (78403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30307 states to 30307 states and 78403 transitions. [2021-06-05 05:28:48,049 INFO L78 Accepts]: Start accepts. Automaton has 30307 states and 78403 transitions. Word has length 40 [2021-06-05 05:28:48,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:48,049 INFO L482 AbstractCegarLoop]: Abstraction has 30307 states and 78403 transitions. [2021-06-05 05:28:48,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:48,049 INFO L276 IsEmpty]: Start isEmpty. Operand 30307 states and 78403 transitions. [2021-06-05 05:28:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:48,066 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:48,066 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:48,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2854 [2021-06-05 05:28:48,266 INFO L430 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:48,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:48,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1839241602, now seen corresponding path program 114 times [2021-06-05 05:28:48,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:48,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425614705] [2021-06-05 05:28:48,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:48,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:48,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425614705] [2021-06-05 05:28:48,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425614705] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:48,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819451765] [2021-06-05 05:28:48,344 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 115 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 115 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:48,375 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-06-05 05:28:48,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:48,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:48,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:48,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819451765] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:48,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:48,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-06-05 05:28:48,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888144132] [2021-06-05 05:28:48,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 05:28:48,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:48,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 05:28:48,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=658, Unknown=0, NotChecked=0, Total=812 [2021-06-05 05:28:48,642 INFO L87 Difference]: Start difference. First operand 30307 states and 78403 transitions. Second operand has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:50,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:50,704 INFO L93 Difference]: Finished difference Result 33401 states and 85130 transitions. [2021-06-05 05:28:50,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-05 05:28:50,704 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:28:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:50,752 INFO L225 Difference]: With dead ends: 33401 [2021-06-05 05:28:50,753 INFO L226 Difference]: Without dead ends: 33361 [2021-06-05 05:28:50,754 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4153 ImplicationChecksByTransitivity, 1638.1ms TimeCoverageRelationStatistics Valid=2749, Invalid=9023, Unknown=0, NotChecked=0, Total=11772 [2021-06-05 05:28:50,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33361 states. [2021-06-05 05:28:51,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33361 to 30181. [2021-06-05 05:28:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30181 states, 30180 states have (on average 2.591186216037111) internal successors, (78202), 30180 states have internal predecessors, (78202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30181 states to 30181 states and 78202 transitions. [2021-06-05 05:28:51,278 INFO L78 Accepts]: Start accepts. Automaton has 30181 states and 78202 transitions. Word has length 40 [2021-06-05 05:28:51,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:51,278 INFO L482 AbstractCegarLoop]: Abstraction has 30181 states and 78202 transitions. [2021-06-05 05:28:51,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 30181 states and 78202 transitions. [2021-06-05 05:28:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:51,299 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:51,299 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:51,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2855,115 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:51,503 INFO L430 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:51,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:51,503 INFO L82 PathProgramCache]: Analyzing trace with hash 971939322, now seen corresponding path program 115 times [2021-06-05 05:28:51,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:51,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123773401] [2021-06-05 05:28:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:51,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:51,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123773401] [2021-06-05 05:28:51,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123773401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:51,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93701152] [2021-06-05 05:28:51,584 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 116 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 116 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:51,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:51,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:51,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93701152] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:51,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:51,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 05:28:51,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937273887] [2021-06-05 05:28:51,866 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:28:51,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:51,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:28:51,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:28:51,867 INFO L87 Difference]: Start difference. First operand 30181 states and 78202 transitions. Second operand has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:53,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:53,680 INFO L93 Difference]: Finished difference Result 33916 states and 86143 transitions. [2021-06-05 05:28:53,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-06-05 05:28:53,681 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:28:53,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:53,728 INFO L225 Difference]: With dead ends: 33916 [2021-06-05 05:28:53,729 INFO L226 Difference]: Without dead ends: 33862 [2021-06-05 05:28:53,730 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4387 ImplicationChecksByTransitivity, 1550.9ms TimeCoverageRelationStatistics Valid=2836, Invalid=9374, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 05:28:53,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33862 states. [2021-06-05 05:28:54,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33862 to 28876. [2021-06-05 05:28:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28876 states, 28875 states have (on average 2.596987012987013) internal successors, (74988), 28875 states have internal predecessors, (74988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28876 states to 28876 states and 74988 transitions. [2021-06-05 05:28:54,294 INFO L78 Accepts]: Start accepts. Automaton has 28876 states and 74988 transitions. Word has length 40 [2021-06-05 05:28:54,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:54,294 INFO L482 AbstractCegarLoop]: Abstraction has 28876 states and 74988 transitions. [2021-06-05 05:28:54,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand 28876 states and 74988 transitions. [2021-06-05 05:28:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:54,310 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:54,310 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:54,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 116 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2856 [2021-06-05 05:28:54,513 INFO L430 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:54,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:54,513 INFO L82 PathProgramCache]: Analyzing trace with hash 982378102, now seen corresponding path program 116 times [2021-06-05 05:28:54,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:54,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227421891] [2021-06-05 05:28:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:54,603 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:54,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227421891] [2021-06-05 05:28:54,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227421891] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:54,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460745079] [2021-06-05 05:28:54,603 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 117 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 117 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:54,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:28:54,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:54,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:54,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:54,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460745079] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:54,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:54,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-05 05:28:54,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738942308] [2021-06-05 05:28:54,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 05:28:54,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:54,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 05:28:54,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:28:54,898 INFO L87 Difference]: Start difference. First operand 28876 states and 74988 transitions. Second operand has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:56,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:56,703 INFO L93 Difference]: Finished difference Result 33473 states and 84685 transitions. [2021-06-05 05:28:56,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-05 05:28:56,703 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:28:56,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:56,748 INFO L225 Difference]: With dead ends: 33473 [2021-06-05 05:28:56,748 INFO L226 Difference]: Without dead ends: 33417 [2021-06-05 05:28:56,749 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4604 ImplicationChecksByTransitivity, 1583.7ms TimeCoverageRelationStatistics Valid=2932, Invalid=9724, Unknown=0, NotChecked=0, Total=12656 [2021-06-05 05:28:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33417 states. [2021-06-05 05:28:57,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33417 to 26468. [2021-06-05 05:28:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26468 states, 26467 states have (on average 2.601541542297956) internal successors, (68855), 26467 states have internal predecessors, (68855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26468 states to 26468 states and 68855 transitions. [2021-06-05 05:28:57,236 INFO L78 Accepts]: Start accepts. Automaton has 26468 states and 68855 transitions. Word has length 40 [2021-06-05 05:28:57,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:28:57,236 INFO L482 AbstractCegarLoop]: Abstraction has 26468 states and 68855 transitions. [2021-06-05 05:28:57,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 26468 states and 68855 transitions. [2021-06-05 05:28:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:28:57,251 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:28:57,251 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:28:57,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2857,117 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:57,451 INFO L430 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:28:57,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:28:57,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1870856206, now seen corresponding path program 117 times [2021-06-05 05:28:57,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:28:57,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773749442] [2021-06-05 05:28:57,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:28:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:28:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:57,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:28:57,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773749442] [2021-06-05 05:28:57,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773749442] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:57,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331989708] [2021-06-05 05:28:57,552 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 118 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 118 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:28:57,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-05 05:28:57,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:28:57,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:28:57,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:28:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:28:57,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331989708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:28:57,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:28:57,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-06-05 05:28:57,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862182312] [2021-06-05 05:28:57,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 05:28:57,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:28:57,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 05:28:57,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=814, Unknown=0, NotChecked=0, Total=992 [2021-06-05 05:28:57,870 INFO L87 Difference]: Start difference. First operand 26468 states and 68855 transitions. Second operand has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:28:59,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:28:59,719 INFO L93 Difference]: Finished difference Result 32096 states and 80790 transitions. [2021-06-05 05:28:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-05 05:28:59,719 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:28:59,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:28:59,761 INFO L225 Difference]: With dead ends: 32096 [2021-06-05 05:28:59,761 INFO L226 Difference]: Without dead ends: 32046 [2021-06-05 05:28:59,762 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4740 ImplicationChecksByTransitivity, 1692.9ms TimeCoverageRelationStatistics Valid=3036, Invalid=10074, Unknown=0, NotChecked=0, Total=13110 [2021-06-05 05:28:59,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32046 states. [2021-06-05 05:29:00,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32046 to 24004. [2021-06-05 05:29:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24004 states, 24003 states have (on average 2.599633379160938) internal successors, (62399), 24003 states have internal predecessors, (62399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24004 states to 24004 states and 62399 transitions. [2021-06-05 05:29:00,157 INFO L78 Accepts]: Start accepts. Automaton has 24004 states and 62399 transitions. Word has length 40 [2021-06-05 05:29:00,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:00,157 INFO L482 AbstractCegarLoop]: Abstraction has 24004 states and 62399 transitions. [2021-06-05 05:29:00,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24004 states and 62399 transitions. [2021-06-05 05:29:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:00,171 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:00,171 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:00,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2858,118 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:00,372 INFO L430 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:00,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:00,372 INFO L82 PathProgramCache]: Analyzing trace with hash -69717194, now seen corresponding path program 118 times [2021-06-05 05:29:00,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:00,372 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32528717] [2021-06-05 05:29:00,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 35 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:00,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:00,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32528717] [2021-06-05 05:29:00,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32528717] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:00,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173915702] [2021-06-05 05:29:00,480 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 119 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 119 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:00,505 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:29:00,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:00,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:00,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:00,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173915702] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:00,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:00,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-05 05:29:00,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504675137] [2021-06-05 05:29:00,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 05:29:00,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:00,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 05:29:00,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 05:29:00,765 INFO L87 Difference]: Start difference. First operand 24004 states and 62399 transitions. Second operand has 33 states, 33 states have (on average 2.212121212121212) internal successors, (73), 32 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:02,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:02,761 INFO L93 Difference]: Finished difference Result 28131 states and 70967 transitions. [2021-06-05 05:29:02,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-05 05:29:02,762 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.212121212121212) internal successors, (73), 32 states have internal predecessors, (73), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:02,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:02,803 INFO L225 Difference]: With dead ends: 28131 [2021-06-05 05:29:02,804 INFO L226 Difference]: Without dead ends: 28131 [2021-06-05 05:29:02,805 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3698 ImplicationChecksByTransitivity, 1658.8ms TimeCoverageRelationStatistics Valid=2970, Invalid=9240, Unknown=0, NotChecked=0, Total=12210 [2021-06-05 05:29:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28131 states. [2021-06-05 05:29:03,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28131 to 21876. [2021-06-05 05:29:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21876 states, 21875 states have (on average 2.5954285714285716) internal successors, (56775), 21875 states have internal predecessors, (56775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21876 states to 21876 states and 56775 transitions. [2021-06-05 05:29:03,140 INFO L78 Accepts]: Start accepts. Automaton has 21876 states and 56775 transitions. Word has length 40 [2021-06-05 05:29:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:03,140 INFO L482 AbstractCegarLoop]: Abstraction has 21876 states and 56775 transitions. [2021-06-05 05:29:03,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.212121212121212) internal successors, (73), 32 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 21876 states and 56775 transitions. [2021-06-05 05:29:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:03,152 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:03,152 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:03,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 119 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2859 [2021-06-05 05:29:03,352 INFO L430 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:03,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:03,352 INFO L82 PathProgramCache]: Analyzing trace with hash 715640178, now seen corresponding path program 119 times [2021-06-05 05:29:03,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:03,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543588858] [2021-06-05 05:29:03,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:03,457 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:03,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543588858] [2021-06-05 05:29:03,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543588858] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:03,457 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371895364] [2021-06-05 05:29:03,457 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 120 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 120 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:03,487 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 05:29:03,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:03,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:03,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:03,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371895364] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:03,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:03,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-06-05 05:29:03,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844788401] [2021-06-05 05:29:03,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 05:29:03,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:03,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 05:29:03,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2021-06-05 05:29:03,799 INFO L87 Difference]: Start difference. First operand 21876 states and 56775 transitions. Second operand has 32 states, 32 states have (on average 2.21875) internal successors, (71), 31 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:06,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:06,150 INFO L93 Difference]: Finished difference Result 25120 states and 63294 transitions. [2021-06-05 05:29:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-06-05 05:29:06,150 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.21875) internal successors, (71), 31 states have internal predecessors, (71), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:06,186 INFO L225 Difference]: With dead ends: 25120 [2021-06-05 05:29:06,187 INFO L226 Difference]: Without dead ends: 24982 [2021-06-05 05:29:06,188 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5780 ImplicationChecksByTransitivity, 2098.0ms TimeCoverageRelationStatistics Valid=3320, Invalid=12682, Unknown=0, NotChecked=0, Total=16002 [2021-06-05 05:29:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24982 states. [2021-06-05 05:29:06,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24982 to 21296. [2021-06-05 05:29:06,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21296 states, 21295 states have (on average 2.5844094857947875) internal successors, (55035), 21295 states have internal predecessors, (55035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21296 states to 21296 states and 55035 transitions. [2021-06-05 05:29:06,573 INFO L78 Accepts]: Start accepts. Automaton has 21296 states and 55035 transitions. Word has length 40 [2021-06-05 05:29:06,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:06,573 INFO L482 AbstractCegarLoop]: Abstraction has 21296 states and 55035 transitions. [2021-06-05 05:29:06,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.21875) internal successors, (71), 31 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 21296 states and 55035 transitions. [2021-06-05 05:29:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:06,584 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:06,584 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:06,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2860 [2021-06-05 05:29:06,784 INFO L430 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:06,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:06,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1418514486, now seen corresponding path program 120 times [2021-06-05 05:29:06,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:06,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806572461] [2021-06-05 05:29:06,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:06,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:06,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806572461] [2021-06-05 05:29:06,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806572461] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:06,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757257518] [2021-06-05 05:29:06,892 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 121 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-05 05:29:06,923 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:29:06,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:06,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 121 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:06,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:07,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757257518] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:07,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:07,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-06-05 05:29:07,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619909726] [2021-06-05 05:29:07,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 05:29:07,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:07,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 05:29:07,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2021-06-05 05:29:07,195 INFO L87 Difference]: Start difference. First operand 21296 states and 55035 transitions. Second operand has 32 states, 32 states have (on average 2.28125) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:09,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:09,332 INFO L93 Difference]: Finished difference Result 26874 states and 67135 transitions. [2021-06-05 05:29:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-06-05 05:29:09,332 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.28125) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:09,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:09,369 INFO L225 Difference]: With dead ends: 26874 [2021-06-05 05:29:09,369 INFO L226 Difference]: Without dead ends: 26874 [2021-06-05 05:29:09,370 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4431 ImplicationChecksByTransitivity, 1803.3ms TimeCoverageRelationStatistics Valid=3338, Invalid=10234, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 05:29:09,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26874 states. [2021-06-05 05:29:09,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26874 to 19476. [2021-06-05 05:29:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19476 states, 19475 states have (on average 2.5761232349165595) internal successors, (50170), 19475 states have internal predecessors, (50170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:09,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19476 states to 19476 states and 50170 transitions. [2021-06-05 05:29:09,683 INFO L78 Accepts]: Start accepts. Automaton has 19476 states and 50170 transitions. Word has length 40 [2021-06-05 05:29:09,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:09,684 INFO L482 AbstractCegarLoop]: Abstraction has 19476 states and 50170 transitions. [2021-06-05 05:29:09,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.28125) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand 19476 states and 50170 transitions. [2021-06-05 05:29:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:09,694 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:09,694 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:09,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2861,121 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:09,895 INFO L430 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:09,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:09,895 INFO L82 PathProgramCache]: Analyzing trace with hash 699779442, now seen corresponding path program 121 times [2021-06-05 05:29:09,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:09,895 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703791602] [2021-06-05 05:29:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:09,989 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:09,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:09,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703791602] [2021-06-05 05:29:09,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703791602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:09,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196099244] [2021-06-05 05:29:09,989 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 122 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 122 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:10,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:10,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:10,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196099244] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:10,361 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:10,361 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-05 05:29:10,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117630194] [2021-06-05 05:29:10,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 05:29:10,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:10,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 05:29:10,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:29:10,362 INFO L87 Difference]: Start difference. First operand 19476 states and 50170 transitions. Second operand has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 30 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:12,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:12,265 INFO L93 Difference]: Finished difference Result 22442 states and 56490 transitions. [2021-06-05 05:29:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-05 05:29:12,266 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 30 states have internal predecessors, (71), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:12,292 INFO L225 Difference]: With dead ends: 22442 [2021-06-05 05:29:12,292 INFO L226 Difference]: Without dead ends: 22343 [2021-06-05 05:29:12,293 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5030 ImplicationChecksByTransitivity, 1688.3ms TimeCoverageRelationStatistics Valid=2802, Invalid=10770, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 05:29:12,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22343 states. [2021-06-05 05:29:12,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22343 to 19294. [2021-06-05 05:29:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19294 states, 19293 states have (on average 2.5669932099725288) internal successors, (49525), 19293 states have internal predecessors, (49525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19294 states to 19294 states and 49525 transitions. [2021-06-05 05:29:12,619 INFO L78 Accepts]: Start accepts. Automaton has 19294 states and 49525 transitions. Word has length 40 [2021-06-05 05:29:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:12,619 INFO L482 AbstractCegarLoop]: Abstraction has 19294 states and 49525 transitions. [2021-06-05 05:29:12,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 30 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 19294 states and 49525 transitions. [2021-06-05 05:29:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:12,630 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:12,630 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:12,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2862 [2021-06-05 05:29:12,830 INFO L430 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:12,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:12,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1681609418, now seen corresponding path program 122 times [2021-06-05 05:29:12,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:12,831 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622335295] [2021-06-05 05:29:12,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:12,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:12,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622335295] [2021-06-05 05:29:12,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622335295] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:12,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517088843] [2021-06-05 05:29:12,977 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 123 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 123 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:13,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:29:13,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:13,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:13,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:13,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517088843] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:13,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:13,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-05 05:29:13,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645202362] [2021-06-05 05:29:13,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 05:29:13,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:13,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 05:29:13,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:29:13,276 INFO L87 Difference]: Start difference. First operand 19294 states and 49525 transitions. Second operand has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 30 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:15,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:15,598 INFO L93 Difference]: Finished difference Result 25902 states and 64230 transitions. [2021-06-05 05:29:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-05 05:29:15,598 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 30 states have internal predecessors, (73), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:15,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:15,632 INFO L225 Difference]: With dead ends: 25902 [2021-06-05 05:29:15,632 INFO L226 Difference]: Without dead ends: 25902 [2021-06-05 05:29:15,634 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5410 ImplicationChecksByTransitivity, 1948.9ms TimeCoverageRelationStatistics Valid=3958, Invalid=11542, Unknown=0, NotChecked=0, Total=15500 [2021-06-05 05:29:15,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25902 states. [2021-06-05 05:29:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25902 to 17898. [2021-06-05 05:29:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17898 states, 17897 states have (on average 2.5554003464267754) internal successors, (45734), 17897 states have internal predecessors, (45734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17898 states to 17898 states and 45734 transitions. [2021-06-05 05:29:15,975 INFO L78 Accepts]: Start accepts. Automaton has 17898 states and 45734 transitions. Word has length 40 [2021-06-05 05:29:15,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:15,976 INFO L482 AbstractCegarLoop]: Abstraction has 17898 states and 45734 transitions. [2021-06-05 05:29:15,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 30 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 17898 states and 45734 transitions. [2021-06-05 05:29:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:15,986 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:15,986 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:16,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2863,123 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:16,189 INFO L430 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:16,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:16,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1276298610, now seen corresponding path program 123 times [2021-06-05 05:29:16,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:16,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503830782] [2021-06-05 05:29:16,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:16,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:16,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503830782] [2021-06-05 05:29:16,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503830782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:16,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093080711] [2021-06-05 05:29:16,283 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 124 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 124 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:16,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-05 05:29:16,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:16,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:16,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:16,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093080711] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:16,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:16,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 05:29:16,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546794838] [2021-06-05 05:29:16,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:29:16,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:16,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:29:16,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:29:16,601 INFO L87 Difference]: Start difference. First operand 17898 states and 45734 transitions. Second operand has 30 states, 30 states have (on average 2.3666666666666667) internal successors, (71), 29 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:18,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:18,307 INFO L93 Difference]: Finished difference Result 20487 states and 51579 transitions. [2021-06-05 05:29:18,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-06-05 05:29:18,308 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.3666666666666667) internal successors, (71), 29 states have internal predecessors, (71), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:18,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:18,332 INFO L225 Difference]: With dead ends: 20487 [2021-06-05 05:29:18,332 INFO L226 Difference]: Without dead ends: 20421 [2021-06-05 05:29:18,333 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4431 ImplicationChecksByTransitivity, 1546.1ms TimeCoverageRelationStatistics Valid=2466, Invalid=9306, Unknown=0, NotChecked=0, Total=11772 [2021-06-05 05:29:18,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20421 states. [2021-06-05 05:29:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20421 to 18251. [2021-06-05 05:29:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18251 states, 18250 states have (on average 2.5564383561643838) internal successors, (46655), 18250 states have internal predecessors, (46655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18251 states to 18251 states and 46655 transitions. [2021-06-05 05:29:18,633 INFO L78 Accepts]: Start accepts. Automaton has 18251 states and 46655 transitions. Word has length 40 [2021-06-05 05:29:18,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:18,633 INFO L482 AbstractCegarLoop]: Abstraction has 18251 states and 46655 transitions. [2021-06-05 05:29:18,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.3666666666666667) internal successors, (71), 29 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 18251 states and 46655 transitions. [2021-06-05 05:29:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:18,644 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:18,644 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:18,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2864 [2021-06-05 05:29:18,857 INFO L430 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:18,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:18,857 INFO L82 PathProgramCache]: Analyzing trace with hash 424659510, now seen corresponding path program 124 times [2021-06-05 05:29:18,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:18,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851957982] [2021-06-05 05:29:18,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:18,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:18,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851957982] [2021-06-05 05:29:18,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851957982] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:18,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380963488] [2021-06-05 05:29:18,942 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 125 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 125 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:18,968 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:29:18,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:18,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:18,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:19,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380963488] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:19,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:19,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 05:29:19,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669166417] [2021-06-05 05:29:19,228 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:29:19,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:19,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:29:19,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:29:19,229 INFO L87 Difference]: Start difference. First operand 18251 states and 46655 transitions. Second operand has 30 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:21,845 INFO L93 Difference]: Finished difference Result 25865 states and 63837 transitions. [2021-06-05 05:29:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-05 05:29:21,845 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:21,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:21,878 INFO L225 Difference]: With dead ends: 25865 [2021-06-05 05:29:21,878 INFO L226 Difference]: Without dead ends: 25865 [2021-06-05 05:29:21,879 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6848 ImplicationChecksByTransitivity, 2212.1ms TimeCoverageRelationStatistics Valid=4818, Invalid=13272, Unknown=0, NotChecked=0, Total=18090 [2021-06-05 05:29:21,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25865 states. [2021-06-05 05:29:22,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25865 to 17253. [2021-06-05 05:29:22,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17253 states, 17252 states have (on average 2.541386505912358) internal successors, (43844), 17252 states have internal predecessors, (43844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17253 states to 17253 states and 43844 transitions. [2021-06-05 05:29:22,224 INFO L78 Accepts]: Start accepts. Automaton has 17253 states and 43844 transitions. Word has length 40 [2021-06-05 05:29:22,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:22,224 INFO L482 AbstractCegarLoop]: Abstraction has 17253 states and 43844 transitions. [2021-06-05 05:29:22,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.433333333333333) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 17253 states and 43844 transitions. [2021-06-05 05:29:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:22,234 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:22,234 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:22,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2865,125 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:22,435 INFO L430 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:22,435 INFO L82 PathProgramCache]: Analyzing trace with hash 427737458, now seen corresponding path program 125 times [2021-06-05 05:29:22,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:22,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3278493] [2021-06-05 05:29:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 32 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:22,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:22,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3278493] [2021-06-05 05:29:22,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3278493] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:22,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425815396] [2021-06-05 05:29:22,532 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 126 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 126 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:22,573 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-05 05:29:22,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:22,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:22,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 29 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:22,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425815396] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:22,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:22,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-06-05 05:29:22,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034869264] [2021-06-05 05:29:22,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 05:29:22,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:22,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 05:29:22,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2021-06-05 05:29:22,823 INFO L87 Difference]: Start difference. First operand 17253 states and 43844 transitions. Second operand has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:24,429 INFO L93 Difference]: Finished difference Result 19251 states and 48390 transitions. [2021-06-05 05:29:24,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-05 05:29:24,430 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:24,452 INFO L225 Difference]: With dead ends: 19251 [2021-06-05 05:29:24,452 INFO L226 Difference]: Without dead ends: 19212 [2021-06-05 05:29:24,453 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3960 ImplicationChecksByTransitivity, 1422.0ms TimeCoverageRelationStatistics Valid=2263, Invalid=8243, Unknown=0, NotChecked=0, Total=10506 [2021-06-05 05:29:24,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19212 states. [2021-06-05 05:29:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19212 to 17619. [2021-06-05 05:29:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17619 states, 17618 states have (on average 2.546032466795323) internal successors, (44856), 17618 states have internal predecessors, (44856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17619 states to 17619 states and 44856 transitions. [2021-06-05 05:29:24,740 INFO L78 Accepts]: Start accepts. Automaton has 17619 states and 44856 transitions. Word has length 40 [2021-06-05 05:29:24,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:24,740 INFO L482 AbstractCegarLoop]: Abstraction has 17619 states and 44856 transitions. [2021-06-05 05:29:24,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 28 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:24,740 INFO L276 IsEmpty]: Start isEmpty. Operand 17619 states and 44856 transitions. [2021-06-05 05:29:24,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:24,750 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:24,750 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:24,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 126 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2866 [2021-06-05 05:29:24,950 INFO L430 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:24,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:24,951 INFO L82 PathProgramCache]: Analyzing trace with hash -922867914, now seen corresponding path program 126 times [2021-06-05 05:29:24,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:24,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122637877] [2021-06-05 05:29:24,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 31 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:25,031 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:25,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122637877] [2021-06-05 05:29:25,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122637877] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:25,031 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119887822] [2021-06-05 05:29:25,031 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 127 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 127 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:25,062 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:29:25,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:25,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:25,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:25,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119887822] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:25,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:25,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-06-05 05:29:25,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064380479] [2021-06-05 05:29:25,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 05:29:25,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:25,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 05:29:25,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2021-06-05 05:29:25,337 INFO L87 Difference]: Start difference. First operand 17619 states and 44856 transitions. Second operand has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 28 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:28,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:28,016 INFO L93 Difference]: Finished difference Result 28254 states and 69498 transitions. [2021-06-05 05:29:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-05 05:29:28,017 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 28 states have internal predecessors, (73), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:28,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:28,053 INFO L225 Difference]: With dead ends: 28254 [2021-06-05 05:29:28,054 INFO L226 Difference]: Without dead ends: 28254 [2021-06-05 05:29:28,055 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7942 ImplicationChecksByTransitivity, 2266.6ms TimeCoverageRelationStatistics Valid=5440, Invalid=14300, Unknown=0, NotChecked=0, Total=19740 [2021-06-05 05:29:28,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28254 states. [2021-06-05 05:29:28,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28254 to 22012. [2021-06-05 05:29:28,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22012 states, 22011 states have (on average 2.520875925673527) internal successors, (55487), 22011 states have internal predecessors, (55487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22012 states to 22012 states and 55487 transitions. [2021-06-05 05:29:28,443 INFO L78 Accepts]: Start accepts. Automaton has 22012 states and 55487 transitions. Word has length 40 [2021-06-05 05:29:28,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:28,443 INFO L482 AbstractCegarLoop]: Abstraction has 22012 states and 55487 transitions. [2021-06-05 05:29:28,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 28 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 22012 states and 55487 transitions. [2021-06-05 05:29:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:28,455 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:28,455 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:28,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2867,127 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:28,656 INFO L430 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:28,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:28,656 INFO L82 PathProgramCache]: Analyzing trace with hash 163167602, now seen corresponding path program 127 times [2021-06-05 05:29:28,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:28,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527301122] [2021-06-05 05:29:28,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:28,726 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:28,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:28,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527301122] [2021-06-05 05:29:28,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527301122] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:28,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649951719] [2021-06-05 05:29:28,726 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 128 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 128 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:28,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:28,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:29,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649951719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:29,001 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:29,001 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-05 05:29:29,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419384171] [2021-06-05 05:29:29,001 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 05:29:29,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:29,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 05:29:29,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2021-06-05 05:29:29,002 INFO L87 Difference]: Start difference. First operand 22012 states and 55487 transitions. Second operand has 28 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:30,638 INFO L93 Difference]: Finished difference Result 23071 states and 57669 transitions. [2021-06-05 05:29:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-05 05:29:30,639 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:30,665 INFO L225 Difference]: With dead ends: 23071 [2021-06-05 05:29:30,665 INFO L226 Difference]: Without dead ends: 23053 [2021-06-05 05:29:30,666 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3632 ImplicationChecksByTransitivity, 1344.8ms TimeCoverageRelationStatistics Valid=2150, Invalid=7552, Unknown=0, NotChecked=0, Total=9702 [2021-06-05 05:29:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23053 states. [2021-06-05 05:29:30,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23053 to 22214. [2021-06-05 05:29:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22214 states, 22213 states have (on average 2.5227119254490615) internal successors, (56037), 22213 states have internal predecessors, (56037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22214 states to 22214 states and 56037 transitions. [2021-06-05 05:29:30,992 INFO L78 Accepts]: Start accepts. Automaton has 22214 states and 56037 transitions. Word has length 40 [2021-06-05 05:29:30,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:30,992 INFO L482 AbstractCegarLoop]: Abstraction has 22214 states and 56037 transitions. [2021-06-05 05:29:30,992 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22214 states and 56037 transitions. [2021-06-05 05:29:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:31,004 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:31,004 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:31,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 128 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2868 [2021-06-05 05:29:31,204 INFO L430 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:31,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:31,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1520419894, now seen corresponding path program 128 times [2021-06-05 05:29:31,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:31,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279093554] [2021-06-05 05:29:31,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:31,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:31,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279093554] [2021-06-05 05:29:31,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279093554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:31,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466793286] [2021-06-05 05:29:31,283 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 129 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 129 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:31,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:29:31,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:31,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:31,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:31,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466793286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:31,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:31,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-05 05:29:31,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882366436] [2021-06-05 05:29:31,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 05:29:31,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:31,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 05:29:31,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2021-06-05 05:29:31,568 INFO L87 Difference]: Start difference. First operand 22214 states and 56037 transitions. Second operand has 28 states, 28 states have (on average 2.642857142857143) internal successors, (74), 27 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:34,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:34,179 INFO L93 Difference]: Finished difference Result 36775 states and 91582 transitions. [2021-06-05 05:29:34,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-06-05 05:29:34,180 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.642857142857143) internal successors, (74), 27 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 05:29:34,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:34,228 INFO L225 Difference]: With dead ends: 36775 [2021-06-05 05:29:34,229 INFO L226 Difference]: Without dead ends: 36775 [2021-06-05 05:29:34,231 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8274 ImplicationChecksByTransitivity, 2209.9ms TimeCoverageRelationStatistics Valid=5518, Invalid=14504, Unknown=0, NotChecked=0, Total=20022 [2021-06-05 05:29:34,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36775 states. [2021-06-05 05:29:34,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36775 to 32904. [2021-06-05 05:29:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32904 states, 32903 states have (on average 2.529982068504392) internal successors, (83244), 32903 states have internal predecessors, (83244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32904 states to 32904 states and 83244 transitions. [2021-06-05 05:29:34,787 INFO L78 Accepts]: Start accepts. Automaton has 32904 states and 83244 transitions. Word has length 40 [2021-06-05 05:29:34,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:34,787 INFO L482 AbstractCegarLoop]: Abstraction has 32904 states and 83244 transitions. [2021-06-05 05:29:34,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.642857142857143) internal successors, (74), 27 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32904 states and 83244 transitions. [2021-06-05 05:29:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:34,802 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:34,802 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:35,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 129 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2869 [2021-06-05 05:29:35,003 INFO L430 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:35,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:35,003 INFO L82 PathProgramCache]: Analyzing trace with hash -425600740, now seen corresponding path program 129 times [2021-06-05 05:29:35,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:35,003 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040899320] [2021-06-05 05:29:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:35,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:35,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040899320] [2021-06-05 05:29:35,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040899320] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:35,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384528367] [2021-06-05 05:29:35,069 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 130 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 130 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:35,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-05 05:29:35,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:35,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:35,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:35,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384528367] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:35,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:35,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-06-05 05:29:35,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288278041] [2021-06-05 05:29:35,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 05:29:35,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:35,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 05:29:35,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-06-05 05:29:35,345 INFO L87 Difference]: Start difference. First operand 32904 states and 83244 transitions. Second operand has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:36,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:36,985 INFO L93 Difference]: Finished difference Result 35887 states and 89458 transitions. [2021-06-05 05:29:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-05 05:29:36,985 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:36,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:37,036 INFO L225 Difference]: With dead ends: 35887 [2021-06-05 05:29:37,036 INFO L226 Difference]: Without dead ends: 35883 [2021-06-05 05:29:37,037 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3426 ImplicationChecksByTransitivity, 1332.2ms TimeCoverageRelationStatistics Valid=2678, Invalid=7024, Unknown=0, NotChecked=0, Total=9702 [2021-06-05 05:29:37,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35883 states. [2021-06-05 05:29:37,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35883 to 32269. [2021-06-05 05:29:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32269 states, 32268 states have (on average 2.526465848518656) internal successors, (81524), 32268 states have internal predecessors, (81524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32269 states to 32269 states and 81524 transitions. [2021-06-05 05:29:37,629 INFO L78 Accepts]: Start accepts. Automaton has 32269 states and 81524 transitions. Word has length 40 [2021-06-05 05:29:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:37,629 INFO L482 AbstractCegarLoop]: Abstraction has 32269 states and 81524 transitions. [2021-06-05 05:29:37,629 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.5925925925925926) internal successors, (70), 26 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 32269 states and 81524 transitions. [2021-06-05 05:29:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:37,644 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:37,644 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:37,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2870 [2021-06-05 05:29:37,845 INFO L430 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:37,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:37,845 INFO L82 PathProgramCache]: Analyzing trace with hash -931947006, now seen corresponding path program 130 times [2021-06-05 05:29:37,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:37,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267971470] [2021-06-05 05:29:37,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 37 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:37,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:37,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267971470] [2021-06-05 05:29:37,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267971470] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:37,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643683094] [2021-06-05 05:29:37,917 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 131 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 131 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:37,942 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:29:37,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:37,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:37,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:38,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643683094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:38,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:38,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-06-05 05:29:38,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869519773] [2021-06-05 05:29:38,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-05 05:29:38,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:38,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-05 05:29:38,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2021-06-05 05:29:38,190 INFO L87 Difference]: Start difference. First operand 32269 states and 81524 transitions. Second operand has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:39,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:39,693 INFO L93 Difference]: Finished difference Result 36401 states and 90806 transitions. [2021-06-05 05:29:39,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-05 05:29:39,693 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:39,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:39,743 INFO L225 Difference]: With dead ends: 36401 [2021-06-05 05:29:39,743 INFO L226 Difference]: Without dead ends: 36389 [2021-06-05 05:29:39,744 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3240 ImplicationChecksByTransitivity, 1271.8ms TimeCoverageRelationStatistics Valid=2417, Invalid=6895, Unknown=0, NotChecked=0, Total=9312 [2021-06-05 05:29:39,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36389 states. [2021-06-05 05:29:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36389 to 31831. [2021-06-05 05:29:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31831 states, 31830 states have (on average 2.527615457115928) internal successors, (80454), 31830 states have internal predecessors, (80454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31831 states to 31831 states and 80454 transitions. [2021-06-05 05:29:40,275 INFO L78 Accepts]: Start accepts. Automaton has 31831 states and 80454 transitions. Word has length 40 [2021-06-05 05:29:40,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:40,275 INFO L482 AbstractCegarLoop]: Abstraction has 31831 states and 80454 transitions. [2021-06-05 05:29:40,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.5) internal successors, (70), 27 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 31831 states and 80454 transitions. [2021-06-05 05:29:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:40,290 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:40,290 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:40,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2871,131 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:40,491 INFO L430 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:40,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:40,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1159168386, now seen corresponding path program 131 times [2021-06-05 05:29:40,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:40,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20138006] [2021-06-05 05:29:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:40,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:40,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20138006] [2021-06-05 05:29:40,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20138006] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:40,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869224986] [2021-06-05 05:29:40,572 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 132 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 132 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:40,599 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-05 05:29:40,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:40,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:40,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:40,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869224986] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:40,849 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:40,849 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-06-05 05:29:40,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228407409] [2021-06-05 05:29:40,850 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-05 05:29:40,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:40,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-05 05:29:40,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2021-06-05 05:29:40,850 INFO L87 Difference]: Start difference. First operand 31831 states and 80454 transitions. Second operand has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:42,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:42,412 INFO L93 Difference]: Finished difference Result 37561 states and 93690 transitions. [2021-06-05 05:29:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-05 05:29:42,413 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:42,465 INFO L225 Difference]: With dead ends: 37561 [2021-06-05 05:29:42,465 INFO L226 Difference]: Without dead ends: 37541 [2021-06-05 05:29:42,466 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3190 ImplicationChecksByTransitivity, 1347.2ms TimeCoverageRelationStatistics Valid=2289, Invalid=7023, Unknown=0, NotChecked=0, Total=9312 [2021-06-05 05:29:42,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37541 states. [2021-06-05 05:29:42,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37541 to 32042. [2021-06-05 05:29:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32042 states, 32041 states have (on average 2.529758746605911) internal successors, (81056), 32041 states have internal predecessors, (81056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32042 states to 32042 states and 81056 transitions. [2021-06-05 05:29:43,014 INFO L78 Accepts]: Start accepts. Automaton has 32042 states and 81056 transitions. Word has length 40 [2021-06-05 05:29:43,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:43,014 INFO L482 AbstractCegarLoop]: Abstraction has 32042 states and 81056 transitions. [2021-06-05 05:29:43,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 28 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 32042 states and 81056 transitions. [2021-06-05 05:29:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:43,028 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:43,029 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:43,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 132 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2872 [2021-06-05 05:29:43,229 INFO L430 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:43,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:43,229 INFO L82 PathProgramCache]: Analyzing trace with hash -475582470, now seen corresponding path program 132 times [2021-06-05 05:29:43,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:43,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500767788] [2021-06-05 05:29:43,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:43,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:43,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500767788] [2021-06-05 05:29:43,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500767788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:43,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497196967] [2021-06-05 05:29:43,315 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 133 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 133 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:43,343 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:29:43,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:43,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:43,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:43,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497196967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:43,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:43,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-05 05:29:43,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049221238] [2021-06-05 05:29:43,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:29:43,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:43,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:29:43,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:29:43,602 INFO L87 Difference]: Start difference. First operand 32042 states and 81056 transitions. Second operand has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:45,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:45,210 INFO L93 Difference]: Finished difference Result 39838 states and 99403 transitions. [2021-06-05 05:29:45,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-05 05:29:45,211 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:45,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:45,266 INFO L225 Difference]: With dead ends: 39838 [2021-06-05 05:29:45,266 INFO L226 Difference]: Without dead ends: 39810 [2021-06-05 05:29:45,267 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3289 ImplicationChecksByTransitivity, 1347.7ms TimeCoverageRelationStatistics Valid=2297, Invalid=7405, Unknown=0, NotChecked=0, Total=9702 [2021-06-05 05:29:45,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39810 states. [2021-06-05 05:29:45,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39810 to 33837. [2021-06-05 05:29:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33837 states, 33836 states have (on average 2.535997162785199) internal successors, (85808), 33836 states have internal predecessors, (85808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33837 states to 33837 states and 85808 transitions. [2021-06-05 05:29:46,000 INFO L78 Accepts]: Start accepts. Automaton has 33837 states and 85808 transitions. Word has length 40 [2021-06-05 05:29:46,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:46,000 INFO L482 AbstractCegarLoop]: Abstraction has 33837 states and 85808 transitions. [2021-06-05 05:29:46,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.3333333333333335) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 33837 states and 85808 transitions. [2021-06-05 05:29:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:46,017 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:46,017 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:46,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 133 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2873 [2021-06-05 05:29:46,217 INFO L430 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:46,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:46,218 INFO L82 PathProgramCache]: Analyzing trace with hash -679513482, now seen corresponding path program 133 times [2021-06-05 05:29:46,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:46,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976825295] [2021-06-05 05:29:46,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:46,316 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:46,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:46,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976825295] [2021-06-05 05:29:46,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976825295] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:46,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520406197] [2021-06-05 05:29:46,317 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 134 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 134 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:46,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:46,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:46,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520406197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:46,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:46,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2021-06-05 05:29:46,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861453944] [2021-06-05 05:29:46,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 05:29:46,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:46,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 05:29:46,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:29:46,665 INFO L87 Difference]: Start difference. First operand 33837 states and 85808 transitions. Second operand has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:48,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:48,374 INFO L93 Difference]: Finished difference Result 43908 states and 109576 transitions. [2021-06-05 05:29:48,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-05 05:29:48,374 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:48,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:48,438 INFO L225 Difference]: With dead ends: 43908 [2021-06-05 05:29:48,439 INFO L226 Difference]: Without dead ends: 43872 [2021-06-05 05:29:48,440 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3564 ImplicationChecksByTransitivity, 1500.2ms TimeCoverageRelationStatistics Valid=2443, Invalid=8063, Unknown=0, NotChecked=0, Total=10506 [2021-06-05 05:29:48,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43872 states. [2021-06-05 05:29:49,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43872 to 40323. [2021-06-05 05:29:49,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40323 states, 40322 states have (on average 2.537894945687218) internal successors, (102333), 40322 states have internal predecessors, (102333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:49,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40323 states to 40323 states and 102333 transitions. [2021-06-05 05:29:49,163 INFO L78 Accepts]: Start accepts. Automaton has 40323 states and 102333 transitions. Word has length 40 [2021-06-05 05:29:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:49,163 INFO L482 AbstractCegarLoop]: Abstraction has 40323 states and 102333 transitions. [2021-06-05 05:29:49,163 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.2580645161290325) internal successors, (70), 30 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 40323 states and 102333 transitions. [2021-06-05 05:29:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:49,182 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:49,182 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:49,382 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 134 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2874 [2021-06-05 05:29:49,382 INFO L430 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:49,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:49,383 INFO L82 PathProgramCache]: Analyzing trace with hash 911279602, now seen corresponding path program 134 times [2021-06-05 05:29:49,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:49,383 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748390729] [2021-06-05 05:29:49,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:29:49,488 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:49,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748390729] [2021-06-05 05:29:49,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748390729] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:49,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512267809] [2021-06-05 05:29:49,488 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 135 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 135 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:49,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:29:49,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:49,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:49,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:49,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512267809] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:49,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:49,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-06-05 05:29:49,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677285660] [2021-06-05 05:29:49,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 05:29:49,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:49,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 05:29:49,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2021-06-05 05:29:49,788 INFO L87 Difference]: Start difference. First operand 40323 states and 102333 transitions. Second operand has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:51,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:51,762 INFO L93 Difference]: Finished difference Result 50681 states and 126374 transitions. [2021-06-05 05:29:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-05 05:29:51,762 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:51,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:51,845 INFO L225 Difference]: With dead ends: 50681 [2021-06-05 05:29:51,845 INFO L226 Difference]: Without dead ends: 50637 [2021-06-05 05:29:51,846 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4059 ImplicationChecksByTransitivity, 1623.6ms TimeCoverageRelationStatistics Valid=2727, Invalid=9045, Unknown=0, NotChecked=0, Total=11772 [2021-06-05 05:29:51,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50637 states. [2021-06-05 05:29:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50637 to 46817. [2021-06-05 05:29:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46817 states, 46816 states have (on average 2.533685064935065) internal successors, (118617), 46816 states have internal predecessors, (118617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46817 states to 46817 states and 118617 transitions. [2021-06-05 05:29:52,704 INFO L78 Accepts]: Start accepts. Automaton has 46817 states and 118617 transitions. Word has length 40 [2021-06-05 05:29:52,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:52,704 INFO L482 AbstractCegarLoop]: Abstraction has 46817 states and 118617 transitions. [2021-06-05 05:29:52,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.1875) internal successors, (70), 31 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 46817 states and 118617 transitions. [2021-06-05 05:29:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 05:29:52,726 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:52,726 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:52,927 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2875,135 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:52,927 INFO L430 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:52,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:52,927 INFO L82 PathProgramCache]: Analyzing trace with hash 655075950, now seen corresponding path program 135 times [2021-06-05 05:29:52,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:52,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105778439] [2021-06-05 05:29:52,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:53,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:53,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105778439] [2021-06-05 05:29:53,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105778439] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:53,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226613439] [2021-06-05 05:29:53,048 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 136 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 136 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:53,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-05 05:29:53,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:53,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-05 05:29:53,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:53,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226613439] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:53,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:29:53,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-05 05:29:53,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038610024] [2021-06-05 05:29:53,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 05:29:53,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:29:53,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 05:29:53,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=862, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 05:29:53,354 INFO L87 Difference]: Start difference. First operand 46817 states and 118617 transitions. Second operand has 33 states, 33 states have (on average 2.121212121212121) internal successors, (70), 32 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:55,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:29:55,430 INFO L93 Difference]: Finished difference Result 50538 states and 126417 transitions. [2021-06-05 05:29:55,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-05 05:29:55,430 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.121212121212121) internal successors, (70), 32 states have internal predecessors, (70), 0 states have call successors, (0), 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 40 [2021-06-05 05:29:55,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:29:55,502 INFO L225 Difference]: With dead ends: 50538 [2021-06-05 05:29:55,502 INFO L226 Difference]: Without dead ends: 50486 [2021-06-05 05:29:55,503 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4831 ImplicationChecksByTransitivity, 1736.1ms TimeCoverageRelationStatistics Valid=3147, Invalid=10425, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 05:29:55,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50486 states. [2021-06-05 05:29:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50486 to 46981. [2021-06-05 05:29:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46981 states, 46980 states have (on average 2.5367177522349937) internal successors, (119175), 46980 states have internal predecessors, (119175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:56,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46981 states to 46981 states and 119175 transitions. [2021-06-05 05:29:56,341 INFO L78 Accepts]: Start accepts. Automaton has 46981 states and 119175 transitions. Word has length 40 [2021-06-05 05:29:56,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:29:56,342 INFO L482 AbstractCegarLoop]: Abstraction has 46981 states and 119175 transitions. [2021-06-05 05:29:56,342 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.121212121212121) internal successors, (70), 32 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:29:56,342 INFO L276 IsEmpty]: Start isEmpty. Operand 46981 states and 119175 transitions. [2021-06-05 05:29:56,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 05:29:56,372 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:29:56,372 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:29:56,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2876 [2021-06-05 05:29:56,572 INFO L430 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:29:56,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:29:56,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1401589900, now seen corresponding path program 136 times [2021-06-05 05:29:56,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:29:56,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409502323] [2021-06-05 05:29:56,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:29:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:29:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:29:56,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:29:56,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409502323] [2021-06-05 05:29:56,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409502323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:29:56,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796814361] [2021-06-05 05:29:56,618 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 137 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 137 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:29:56,646 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:29:56,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:29:56,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 05:29:56,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:29:56,835 INFO L354 Elim1Store]: treesize reduction 72, result has 57.4 percent of original size [2021-06-05 05:29:56,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 151 treesize of output 153 [2021-06-05 05:29:56,838 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:29:56,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:29:56,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:29:56,896 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:151, output treesize:422 [2021-06-05 05:29:58,662 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:30:00,756 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-06-05 05:30:02,277 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:30:03,351 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:30:04,852 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:30:22,766 WARN L205 SmtUtils]: Spent 11.69 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-06-05 05:30:24,126 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-06-05 05:30:24,251 INFO L354 Elim1Store]: treesize reduction 153, result has 9.5 percent of original size [2021-06-05 05:30:24,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 223 treesize of output 86 [2021-06-05 05:30:24,254 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:24,419 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 111 [2021-06-05 05:30:24,420 INFO L628 ElimStorePlain]: treesize reduction 863, result has 37.4 percent of original size [2021-06-05 05:30:24,493 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-06-05 05:30:24,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 91 [2021-06-05 05:30:24,496 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:24,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:30:24,586 INFO L354 Elim1Store]: treesize reduction 151, result has 10.7 percent of original size [2021-06-05 05:30:24,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 87 treesize of output 52 [2021-06-05 05:30:24,587 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:24,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:30:24,671 INFO L354 Elim1Store]: treesize reduction 156, result has 7.7 percent of original size [2021-06-05 05:30:24,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 46 [2021-06-05 05:30:24,672 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:24,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:30:24,837 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 50 [2021-06-05 05:30:24,837 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-06-05 05:30:24,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 133 [2021-06-05 05:30:24,841 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:24,852 INFO L628 ElimStorePlain]: treesize reduction 179, result has 1.6 percent of original size [2021-06-05 05:30:24,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_138 vanished before elimination [2021-06-05 05:30:24,852 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-06-05 05:30:24,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:30:24,853 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 14 variables, input treesize:1590, output treesize:3 [2021-06-05 05:30:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:30:24,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796814361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:30:24,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:30:24,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 05:30:24,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868727671] [2021-06-05 05:30:24,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:30:24,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:30:24,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:30:24,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=450, Unknown=1, NotChecked=0, Total=506 [2021-06-05 05:30:24,859 INFO L87 Difference]: Start difference. First operand 46981 states and 119175 transitions. Second operand has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:30:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:30:25,935 INFO L93 Difference]: Finished difference Result 50920 states and 128844 transitions. [2021-06-05 05:30:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-05 05:30:25,936 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-06-05 05:30:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:30:26,022 INFO L225 Difference]: With dead ends: 50920 [2021-06-05 05:30:26,022 INFO L226 Difference]: Without dead ends: 50913 [2021-06-05 05:30:26,023 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 19010.7ms TimeCoverageRelationStatistics Valid=55, Invalid=450, Unknown=1, NotChecked=0, Total=506 [2021-06-05 05:30:26,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50913 states. [2021-06-05 05:30:26,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50913 to 49976. [2021-06-05 05:30:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49976 states, 49975 states have (on average 2.542091045522761) internal successors, (127041), 49975 states have internal predecessors, (127041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:30:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49976 states to 49976 states and 127041 transitions. [2021-06-05 05:30:26,957 INFO L78 Accepts]: Start accepts. Automaton has 49976 states and 127041 transitions. Word has length 42 [2021-06-05 05:30:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:30:26,957 INFO L482 AbstractCegarLoop]: Abstraction has 49976 states and 127041 transitions. [2021-06-05 05:30:26,958 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:30:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 49976 states and 127041 transitions. [2021-06-05 05:30:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 05:30:26,989 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:30:26,989 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:30:27,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2877,137 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:30:27,189 INFO L430 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:30:27,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:30:27,190 INFO L82 PathProgramCache]: Analyzing trace with hash 631984244, now seen corresponding path program 137 times [2021-06-05 05:30:27,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:30:27,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085571073] [2021-06-05 05:30:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:30:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:30:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:30:27,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:30:27,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085571073] [2021-06-05 05:30:27,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085571073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:30:27,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616071983] [2021-06-05 05:30:27,245 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 138 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 138 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:30:27,274 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 05:30:27,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:30:27,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-05 05:30:27,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:30:27,833 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 80 [2021-06-05 05:30:27,833 INFO L354 Elim1Store]: treesize reduction 755, result has 23.8 percent of original size [2021-06-05 05:30:27,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 18 new quantified variables, introduced 66 case distinctions, treesize of input 187 treesize of output 310 [2021-06-05 05:30:27,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:27,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:30:27,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:30:27,889 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:412 [2021-06-05 05:30:28,788 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-06-05 05:30:29,387 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:30:29,618 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:29,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 05:30:29,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:29,680 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:29,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 05:30:29,682 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:29,761 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:29,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 1 [2021-06-05 05:30:29,762 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:29,826 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:29,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 234 treesize of output 61 [2021-06-05 05:30:29,828 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:29,893 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:29,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:29,895 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:29,959 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:29,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 05:30:29,961 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,031 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:30,042 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,108 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:30,109 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,188 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:30,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:30,189 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,265 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 181 treesize of output 50 [2021-06-05 05:30:30,269 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,341 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 1 [2021-06-05 05:30:30,342 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,412 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 55 [2021-06-05 05:30:30,414 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,482 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:30,484 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,577 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:30,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 1 [2021-06-05 05:30:30,578 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,656 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 1 [2021-06-05 05:30:30,657 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,738 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:30,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:30:30,740 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,817 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 1 [2021-06-05 05:30:30,818 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,894 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 1 [2021-06-05 05:30:30,895 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:30,967 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:30,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-06-05 05:30:30,968 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,046 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:31,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 1 [2021-06-05 05:30:31,046 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,120 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:31,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-06-05 05:30:31,121 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,204 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:31,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 1 [2021-06-05 05:30:31,204 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,285 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:31,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:31,286 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,367 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:31,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 1 [2021-06-05 05:30:31,368 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,457 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:31,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 55 [2021-06-05 05:30:31,458 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,554 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:31,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:30:31,556 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,637 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:31,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:31,639 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,733 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:31,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:31,734 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,832 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:31,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 232 treesize of output 1 [2021-06-05 05:30:31,833 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:31,913 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:31,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:31,915 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,001 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 1 [2021-06-05 05:30:32,002 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,083 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:30:32,085 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,165 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 52 [2021-06-05 05:30:32,167 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,260 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:32,261 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,344 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 05:30:32,346 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,429 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 05:30:32,430 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,522 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 1 [2021-06-05 05:30:32,523 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,611 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:32,612 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,716 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:32,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 05:30:32,717 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,819 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:32,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 232 treesize of output 69 [2021-06-05 05:30:32,820 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,907 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 56 [2021-06-05 05:30:32,908 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:32,999 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:32,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 223 treesize of output 1 [2021-06-05 05:30:33,000 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,087 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:33,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 05:30:33,089 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,189 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:33,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 05:30:33,190 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,279 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:33,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 05:30:33,280 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,370 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:33,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:33,372 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,479 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:33,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:30:33,481 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,577 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:33,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 1 [2021-06-05 05:30:33,577 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,670 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:33,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-06-05 05:30:33,671 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,764 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:33,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:33,766 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:33,862 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:33,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-06-05 05:30:33,864 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,026 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-06-05 05:30:34,027 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,089 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 56 [2021-06-05 05:30:34,091 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,150 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 224 treesize of output 59 [2021-06-05 05:30:34,152 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,221 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:34,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:30:34,222 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,286 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 1 [2021-06-05 05:30:34,287 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,360 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:34,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 05:30:34,362 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,425 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:30:34,426 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,498 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-06-05 05:30:34,500 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,567 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 59 [2021-06-05 05:30:34,568 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,631 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:34,633 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,707 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:34,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:34,709 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,772 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-06-05 05:30:34,774 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,842 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:34,843 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,909 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-06-05 05:30:34,911 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:34,976 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:34,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:34,977 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,069 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 05:30:35,071 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,139 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 05:30:35,141 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,220 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:35,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:35,222 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,290 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:30:35,291 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,360 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 05:30:35,362 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,441 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 227 treesize of output 62 [2021-06-05 05:30:35,443 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,520 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 55 [2021-06-05 05:30:35,521 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,601 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 05:30:35,603 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,680 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 05:30:35,681 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,763 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:35,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:35,765 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,847 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 56 [2021-06-05 05:30:35,848 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,923 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:35,924 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:35,997 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:35,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:30:35,998 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,083 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:36,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:36,085 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,161 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 05:30:36,163 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,238 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:36,239 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,323 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 05:30:36,324 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,402 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 232 treesize of output 63 [2021-06-05 05:30:36,403 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,482 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 51 [2021-06-05 05:30:36,486 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,567 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:30:36,569 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,662 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:36,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:30:36,665 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,749 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-06-05 05:30:36,751 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,832 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-06-05 05:30:36,835 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:36,919 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:36,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 58 [2021-06-05 05:30:36,921 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,006 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 05:30:37,008 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,106 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:37,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:30:37,107 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,189 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 05:30:37,192 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,275 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:37,276 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,357 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:37,359 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,440 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 05:30:37,442 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,525 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 56 [2021-06-05 05:30:37,533 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,626 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 52 [2021-06-05 05:30:37,628 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,716 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 05:30:37,718 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,801 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:37,803 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,887 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:37,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:37,889 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:37,989 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:37,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:37,991 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,087 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:38,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:38,088 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,174 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:38,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 05:30:38,175 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,268 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:38,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 05:30:38,270 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,356 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:38,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:38,358 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,445 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:38,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:30:38,447 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,539 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:38,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 51 [2021-06-05 05:30:38,540 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,638 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:38,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 05:30:38,640 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,731 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:38,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-06-05 05:30:38,734 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,834 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:38,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:38,835 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:38,924 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:38,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:38,930 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,020 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 224 treesize of output 59 [2021-06-05 05:30:39,021 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,113 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 05:30:39,114 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,205 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:39,206 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,296 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:30:39,298 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,391 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 55 [2021-06-05 05:30:39,393 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,491 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 61 [2021-06-05 05:30:39,492 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,592 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:39,594 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,689 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:39,691 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,788 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 235 treesize of output 62 [2021-06-05 05:30:39,789 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,893 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:39,895 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:39,989 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:39,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-06-05 05:30:39,990 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,085 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:40,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 05:30:40,087 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,182 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:40,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:30:40,184 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,293 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:40,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:40,294 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,390 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:40,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 59 [2021-06-05 05:30:40,391 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,491 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:40,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 05:30:40,493 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,588 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:40,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 05:30:40,590 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,686 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:40,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 05:30:40,687 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,805 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:40,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-06-05 05:30:40,806 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:40,912 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:40,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 05:30:40,913 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,009 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 05:30:41,011 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,119 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:41,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:30:41,121 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,217 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:30:41,219 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,318 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-06-05 05:30:41,319 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,419 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 05:30:41,421 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,519 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 51 [2021-06-05 05:30:41,521 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,623 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 214 treesize of output 57 [2021-06-05 05:30:41,625 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,724 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 225 treesize of output 60 [2021-06-05 05:30:41,725 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,825 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:30:41,827 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:41,926 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:41,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 55 [2021-06-05 05:30:41,928 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,038 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:42,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:30:42,040 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,140 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:42,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 05:30:42,142 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,244 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:42,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-06-05 05:30:42,246 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,348 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:42,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:42,349 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,458 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:42,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 55 [2021-06-05 05:30:42,459 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,562 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:42,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 55 [2021-06-05 05:30:42,563 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,680 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:42,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-06-05 05:30:42,681 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,802 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:42,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-06-05 05:30:42,803 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:42,913 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:42,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:42,914 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,020 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:43,022 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,128 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 53 [2021-06-05 05:30:43,130 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,236 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-06-05 05:30:43,237 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,344 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 05:30:43,347 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,456 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-06-05 05:30:43,457 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,569 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 54 [2021-06-05 05:30:43,571 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,681 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:43,683 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,791 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:30:43,792 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:43,901 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:43,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 05:30:43,902 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,014 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:30:44,016 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,134 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 05:30:44,135 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,245 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:30:44,246 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,372 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:44,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:44,374 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,483 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 05:30:44,484 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,594 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 05:30:44,662 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,713 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:44,715 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,763 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 59 [2021-06-05 05:30:44,764 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,817 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 05:30:44,819 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,880 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:44,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 237 treesize of output 70 [2021-06-05 05:30:44,882 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,932 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 234 treesize of output 61 [2021-06-05 05:30:44,933 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:44,984 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:44,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:30:44,986 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,038 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 05:30:45,039 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,090 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:45,092 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,143 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 56 [2021-06-05 05:30:45,145 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,197 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 51 [2021-06-05 05:30:45,198 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,251 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:45,252 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,305 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 05:30:45,307 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,361 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 239 treesize of output 62 [2021-06-05 05:30:45,363 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,417 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 55 [2021-06-05 05:30:45,419 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,474 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:45,476 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,532 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 56 [2021-06-05 05:30:45,533 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,601 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-06-05 05:30:45,603 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,672 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 05:30:45,673 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,742 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:45,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:45,744 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,810 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:45,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:30:45,812 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,872 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:45,889 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:45,949 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:45,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-06-05 05:30:45,951 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,019 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:46,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 232 treesize of output 69 [2021-06-05 05:30:46,021 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:46,080 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,139 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 214 treesize of output 57 [2021-06-05 05:30:46,141 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,201 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 244 treesize of output 63 [2021-06-05 05:30:46,202 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,265 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 55 [2021-06-05 05:30:46,267 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,331 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 05:30:46,332 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,392 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 55 [2021-06-05 05:30:46,394 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,454 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:46,456 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,519 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 58 [2021-06-05 05:30:46,521 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,582 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:46,583 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,654 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:30:46,655 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,721 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 05:30:46,722 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,785 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 05:30:46,786 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,850 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 56 [2021-06-05 05:30:46,852 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,916 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 55 [2021-06-05 05:30:46,918 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:46,981 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:46,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 52 [2021-06-05 05:30:46,983 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,046 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:30:47,047 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,112 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:47,114 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,187 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:47,188 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,256 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:47,258 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,325 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 05:30:47,327 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,403 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:47,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:47,405 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,480 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:47,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:47,482 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,548 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 05:30:47,550 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,616 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 225 treesize of output 58 [2021-06-05 05:30:47,617 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,685 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 229 treesize of output 60 [2021-06-05 05:30:47,686 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,754 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 54 [2021-06-05 05:30:47,755 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,822 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 219 treesize of output 58 [2021-06-05 05:30:47,824 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,894 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 55 [2021-06-05 05:30:47,896 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:47,967 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:47,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 188 treesize of output 53 [2021-06-05 05:30:47,969 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,053 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-06-05 05:30:48,055 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,127 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 05:30:48,129 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,201 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 05:30:48,202 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,286 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:48,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 202 treesize of output 63 [2021-06-05 05:30:48,288 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,363 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 55 [2021-06-05 05:30:48,365 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,436 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:48,438 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,509 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 05:30:48,510 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,581 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 05:30:48,583 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,654 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 50 [2021-06-05 05:30:48,655 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,727 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 05:30:48,728 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,801 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 218 treesize of output 61 [2021-06-05 05:30:48,802 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,878 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 05:30:48,880 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:48,952 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:48,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:48,954 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,036 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:49,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:49,038 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,111 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:49,113 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,191 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 05:30:49,193 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,267 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 05:30:49,268 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,349 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:49,353 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,428 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:30:49,430 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,529 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:49,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 202 treesize of output 63 [2021-06-05 05:30:49,531 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,607 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 55 [2021-06-05 05:30:49,608 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,683 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 05:30:49,685 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,760 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-06-05 05:30:49,761 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,836 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 05:30:49,837 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,912 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 229 treesize of output 60 [2021-06-05 05:30:49,914 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:49,989 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:49,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 232 treesize of output 63 [2021-06-05 05:30:49,991 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,066 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-06-05 05:30:50,068 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,144 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:50,145 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,221 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:30:50,222 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,298 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 57 [2021-06-05 05:30:50,300 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,377 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:50,378 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,456 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 53 [2021-06-05 05:30:50,458 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,536 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 05:30:50,537 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,615 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:50,616 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,696 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 57 [2021-06-05 05:30:50,697 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,775 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:50,776 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,854 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 56 [2021-06-05 05:30:50,855 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:50,933 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:50,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:50,934 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,012 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 50 [2021-06-05 05:30:51,013 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,092 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-06-05 05:30:51,093 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,172 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 51 [2021-06-05 05:30:51,173 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,254 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:30:51,255 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,336 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 55 [2021-06-05 05:30:51,337 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,417 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 54 [2021-06-05 05:30:51,418 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,498 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 54 [2021-06-05 05:30:51,499 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,579 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 05:30:51,580 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,662 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-06-05 05:30:51,663 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,747 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:51,749 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,834 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:51,836 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:51,919 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:51,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 56 [2021-06-05 05:30:51,922 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,003 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 51 [2021-06-05 05:30:52,005 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,086 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-06-05 05:30:52,087 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,168 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 48 [2021-06-05 05:30:52,169 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,260 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:52,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:52,262 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,344 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:52,345 INFO L550 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,429 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:52,430 INFO L550 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,523 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:52,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:30:52,526 INFO L550 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,610 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 05:30:52,611 INFO L550 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,707 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 05:30:52,709 INFO L550 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,796 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:52,797 INFO L550 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,882 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:52,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:52,883 INFO L550 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:52,977 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:52,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:52,979 INFO L550 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,063 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:53,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-06-05 05:30:53,064 INFO L550 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,148 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:53,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 05:30:53,149 INFO L550 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,236 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:53,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 05:30:53,237 INFO L550 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,331 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:53,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 05:30:53,334 INFO L550 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,418 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:53,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:53,420 INFO L550 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,513 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:53,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:30:53,514 INFO L550 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,599 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:53,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-06-05 05:30:53,600 INFO L550 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,684 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:53,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:30:53,686 INFO L550 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,782 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:53,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:30:53,783 INFO L550 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,878 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:53,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 51 [2021-06-05 05:30:53,879 INFO L550 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:53,965 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:53,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:53,966 INFO L550 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,061 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 05:30:54,062 INFO L550 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,148 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 05:30:54,150 INFO L550 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,236 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 05:30:54,238 INFO L550 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,324 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 56 [2021-06-05 05:30:54,326 INFO L550 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,422 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:54,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:54,424 INFO L550 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,511 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 05:30:54,512 INFO L550 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,599 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 188 treesize of output 55 [2021-06-05 05:30:54,601 INFO L550 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,697 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:54,698 INFO L550 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,786 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:54,788 INFO L550 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,875 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 225 treesize of output 60 [2021-06-05 05:30:54,876 INFO L550 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:54,964 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:54,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:54,965 INFO L550 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,053 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 51 [2021-06-05 05:30:55,055 INFO L550 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,144 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-06-05 05:30:55,145 INFO L550 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,235 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 55 [2021-06-05 05:30:55,237 INFO L550 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,387 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 05:30:55,389 INFO L550 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,426 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 05:30:55,428 INFO L550 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,465 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 05:30:55,467 INFO L550 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,504 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 48 [2021-06-05 05:30:55,506 INFO L550 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,544 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:55,546 INFO L550 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,584 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 05:30:55,585 INFO L550 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,625 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 53 [2021-06-05 05:30:55,626 INFO L550 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,665 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:55,666 INFO L550 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,706 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:30:55,708 INFO L550 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,747 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 05:30:55,749 INFO L550 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,789 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-06-05 05:30:55,790 INFO L550 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,830 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:55,832 INFO L550 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,872 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 05:30:55,873 INFO L550 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,914 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 05:30:55,916 INFO L550 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:55,957 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:55,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 05:30:55,958 INFO L550 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,000 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:30:56,001 INFO L550 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,053 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:56,055 INFO L550 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,099 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-06-05 05:30:56,100 INFO L550 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,142 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:56,144 INFO L550 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,195 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:56,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:30:56,196 INFO L550 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,238 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 174 treesize of output 51 [2021-06-05 05:30:56,240 INFO L550 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,282 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:30:56,284 INFO L550 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,327 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 05:30:56,328 INFO L550 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,383 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:56,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:30:56,384 INFO L550 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,428 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:56,429 INFO L550 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,473 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 48 [2021-06-05 05:30:56,474 INFO L550 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,518 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 51 [2021-06-05 05:30:56,519 INFO L550 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,563 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:56,564 INFO L550 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,608 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 05:30:56,610 INFO L550 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,663 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:56,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:30:56,664 INFO L550 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,708 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:56,710 INFO L550 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,764 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:56,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 05:30:56,765 INFO L550 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,810 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-06-05 05:30:56,811 INFO L550 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,856 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:56,858 INFO L550 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,903 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 05:30:56,904 INFO L550 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,950 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:56,951 INFO L550 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:56,997 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:56,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 58 [2021-06-05 05:30:56,998 INFO L550 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,044 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:57,045 INFO L550 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,091 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 57 [2021-06-05 05:30:57,093 INFO L550 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,139 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:57,140 INFO L550 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,187 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 205 treesize of output 54 [2021-06-05 05:30:57,188 INFO L550 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,236 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:30:57,237 INFO L550 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,284 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-06-05 05:30:57,285 INFO L550 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,332 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 217 treesize of output 60 [2021-06-05 05:30:57,334 INFO L550 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,395 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 54 [2021-06-05 05:30:57,397 INFO L550 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,444 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 53 [2021-06-05 05:30:57,446 INFO L550 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,493 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:57,495 INFO L550 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,543 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:30:57,544 INFO L550 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,592 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:57,594 INFO L550 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,642 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:30:57,643 INFO L550 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,692 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 227 treesize of output 62 [2021-06-05 05:30:57,694 INFO L550 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,752 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:57,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 197 treesize of output 62 [2021-06-05 05:30:57,754 INFO L550 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,802 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-06-05 05:30:57,804 INFO L550 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,852 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-06-05 05:30:57,854 INFO L550 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,902 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-06-05 05:30:57,904 INFO L550 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:57,953 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:57,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 05:30:57,954 INFO L550 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,004 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:58,005 INFO L550 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,055 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:58,056 INFO L550 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,106 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:58,107 INFO L550 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,157 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 05:30:58,161 INFO L550 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,211 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 225 treesize of output 60 [2021-06-05 05:30:58,213 INFO L550 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,263 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:58,265 INFO L550 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,315 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:58,316 INFO L550 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,383 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 05:30:58,384 INFO L550 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,439 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:58,440 INFO L550 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,491 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 05:30:58,493 INFO L550 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,543 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:30:58,545 INFO L550 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,596 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 05:30:58,597 INFO L550 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,648 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-06-05 05:30:58,650 INFO L550 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,702 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 05:30:58,703 INFO L550 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,754 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 167 treesize of output 50 [2021-06-05 05:30:58,755 INFO L550 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,806 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:30:58,808 INFO L550 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,859 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:30:58,860 INFO L550 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,920 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:58,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 202 treesize of output 63 [2021-06-05 05:30:58,922 INFO L550 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:58,973 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:58,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 219 treesize of output 58 [2021-06-05 05:30:58,975 INFO L550 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,030 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 58 [2021-06-05 05:30:59,032 INFO L550 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,083 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:30:59,085 INFO L550 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,138 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 05:30:59,139 INFO L550 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,200 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:59,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:30:59,202 INFO L550 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,254 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:30:59,256 INFO L550 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,308 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 55 [2021-06-05 05:30:59,310 INFO L550 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,364 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 55 [2021-06-05 05:30:59,366 INFO L550 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,421 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 05:30:59,422 INFO L550 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,474 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:30:59,475 INFO L550 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,534 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:30:59,535 INFO L550 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,588 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-06-05 05:30:59,589 INFO L550 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,642 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 05:30:59,643 INFO L550 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,695 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 05:30:59,697 INFO L550 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,750 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 213 treesize of output 60 [2021-06-05 05:30:59,751 INFO L550 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,804 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 05:30:59,806 INFO L550 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,859 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 55 [2021-06-05 05:30:59,860 INFO L550 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,913 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:30:59,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:30:59,915 INFO L550 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 1 xjuncts. [2021-06-05 05:30:59,976 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:30:59,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:30:59,979 INFO L550 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,040 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:00,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 05:31:00,042 INFO L550 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,095 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-06-05 05:31:00,096 INFO L550 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,149 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:31:00,150 INFO L550 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,203 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:31:00,204 INFO L550 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,257 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:31:00,259 INFO L550 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,311 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 223 treesize of output 60 [2021-06-05 05:31:00,313 INFO L550 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,366 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 05:31:00,367 INFO L550 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,420 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 186 treesize of output 51 [2021-06-05 05:31:00,422 INFO L550 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,474 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 05:31:00,476 INFO L550 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,529 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:31:00,530 INFO L550 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,583 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-06-05 05:31:00,584 INFO L550 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,637 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:31:00,639 INFO L550 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,701 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:00,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:31:00,703 INFO L550 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,756 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 221 treesize of output 60 [2021-06-05 05:31:00,757 INFO L550 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,811 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 227 treesize of output 62 [2021-06-05 05:31:00,812 INFO L550 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,865 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:31:00,866 INFO L550 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,919 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:31:00,921 INFO L550 ElimStorePlain]: Start of recursive call 416: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:00,973 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:00,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 48 [2021-06-05 05:31:00,975 INFO L550 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,027 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-06-05 05:31:01,029 INFO L550 ElimStorePlain]: Start of recursive call 418: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,090 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:01,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:31:01,091 INFO L550 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,152 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:01,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:31:01,154 INFO L550 ElimStorePlain]: Start of recursive call 420: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,206 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 237 treesize of output 64 [2021-06-05 05:31:01,208 INFO L550 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,260 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:31:01,261 INFO L550 ElimStorePlain]: Start of recursive call 422: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,315 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-06-05 05:31:01,316 INFO L550 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,369 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:31:01,370 INFO L550 ElimStorePlain]: Start of recursive call 424: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,423 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 193 treesize of output 56 [2021-06-05 05:31:01,424 INFO L550 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,487 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:01,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:31:01,489 INFO L550 ElimStorePlain]: Start of recursive call 426: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,542 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 53 [2021-06-05 05:31:01,544 INFO L550 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,597 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:31:01,599 INFO L550 ElimStorePlain]: Start of recursive call 428: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,660 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:01,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 202 treesize of output 63 [2021-06-05 05:31:01,662 INFO L550 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,715 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:31:01,717 INFO L550 ElimStorePlain]: Start of recursive call 430: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,770 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 55 [2021-06-05 05:31:01,771 INFO L550 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,823 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 05:31:01,825 INFO L550 ElimStorePlain]: Start of recursive call 432: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,877 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-06-05 05:31:01,878 INFO L550 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,930 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 227 treesize of output 62 [2021-06-05 05:31:01,932 INFO L550 ElimStorePlain]: Start of recursive call 434: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:01,984 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:01,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:31:01,985 INFO L550 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,037 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 230 treesize of output 61 [2021-06-05 05:31:02,045 INFO L550 ElimStorePlain]: Start of recursive call 436: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,105 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:02,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:31:02,107 INFO L550 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,158 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 54 [2021-06-05 05:31:02,160 INFO L550 ElimStorePlain]: Start of recursive call 438: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,214 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 56 [2021-06-05 05:31:02,215 INFO L550 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,267 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-06-05 05:31:02,269 INFO L550 ElimStorePlain]: Start of recursive call 440: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,329 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:02,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:31:02,330 INFO L550 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,382 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:31:02,384 INFO L550 ElimStorePlain]: Start of recursive call 442: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,435 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-06-05 05:31:02,437 INFO L550 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,488 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 05:31:02,489 INFO L550 ElimStorePlain]: Start of recursive call 444: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,549 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:02,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 05:31:02,551 INFO L550 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,602 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:31:02,604 INFO L550 ElimStorePlain]: Start of recursive call 446: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,655 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 05:31:02,657 INFO L550 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,717 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:02,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:31:02,718 INFO L550 ElimStorePlain]: Start of recursive call 448: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,769 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:31:02,771 INFO L550 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,824 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 225 treesize of output 60 [2021-06-05 05:31:02,825 INFO L550 ElimStorePlain]: Start of recursive call 450: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,878 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 230 treesize of output 61 [2021-06-05 05:31:02,879 INFO L550 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,930 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:31:02,932 INFO L550 ElimStorePlain]: Start of recursive call 452: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:02,983 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:02,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 05:31:02,984 INFO L550 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,035 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:31:03,037 INFO L550 ElimStorePlain]: Start of recursive call 454: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,087 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:31:03,089 INFO L550 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,139 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 56 [2021-06-05 05:31:03,141 INFO L550 ElimStorePlain]: Start of recursive call 456: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,191 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 05:31:03,193 INFO L550 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,243 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 184 treesize of output 53 [2021-06-05 05:31:03,245 INFO L550 ElimStorePlain]: Start of recursive call 458: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,295 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 05:31:03,297 INFO L550 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,347 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 206 treesize of output 57 [2021-06-05 05:31:03,349 INFO L550 ElimStorePlain]: Start of recursive call 460: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,408 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:03,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:31:03,409 INFO L550 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,468 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:03,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:31:03,470 INFO L550 ElimStorePlain]: Start of recursive call 462: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,521 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 05:31:03,522 INFO L550 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,572 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 55 [2021-06-05 05:31:03,574 INFO L550 ElimStorePlain]: Start of recursive call 464: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,623 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:31:03,625 INFO L550 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,675 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 52 [2021-06-05 05:31:03,676 INFO L550 ElimStorePlain]: Start of recursive call 466: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,726 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 179 treesize of output 52 [2021-06-05 05:31:03,728 INFO L550 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,777 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:31:03,779 INFO L550 ElimStorePlain]: Start of recursive call 468: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,829 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 239 treesize of output 62 [2021-06-05 05:31:03,831 INFO L550 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,881 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:31:03,882 INFO L550 ElimStorePlain]: Start of recursive call 470: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,932 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 56 [2021-06-05 05:31:03,933 INFO L550 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:03,983 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:03,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 49 [2021-06-05 05:31:03,984 INFO L550 ElimStorePlain]: Start of recursive call 472: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,042 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:04,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 207 treesize of output 64 [2021-06-05 05:31:04,043 INFO L550 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,100 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:04,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 232 treesize of output 69 [2021-06-05 05:31:04,102 INFO L550 ElimStorePlain]: Start of recursive call 474: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,160 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:04,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:31:04,161 INFO L550 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,209 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 209 treesize of output 58 [2021-06-05 05:31:04,211 INFO L550 ElimStorePlain]: Start of recursive call 476: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,259 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 198 treesize of output 57 [2021-06-05 05:31:04,260 INFO L550 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,308 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 53 [2021-06-05 05:31:04,310 INFO L550 ElimStorePlain]: Start of recursive call 478: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,358 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 59 [2021-06-05 05:31:04,360 INFO L550 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,410 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 58 [2021-06-05 05:31:04,411 INFO L550 ElimStorePlain]: Start of recursive call 480: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,460 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:31:04,461 INFO L550 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,510 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:31:04,511 INFO L550 ElimStorePlain]: Start of recursive call 482: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,561 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-06-05 05:31:04,562 INFO L550 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,610 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:31:04,611 INFO L550 ElimStorePlain]: Start of recursive call 484: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,667 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:04,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:31:04,668 INFO L550 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,715 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 05:31:04,717 INFO L550 ElimStorePlain]: Start of recursive call 486: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,772 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:04,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:31:04,773 INFO L550 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,820 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 215 treesize of output 58 [2021-06-05 05:31:04,821 INFO L550 ElimStorePlain]: Start of recursive call 488: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,876 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:04,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 68 [2021-06-05 05:31:04,878 INFO L550 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,925 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 221 treesize of output 60 [2021-06-05 05:31:04,926 INFO L550 ElimStorePlain]: Start of recursive call 490: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:04,972 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:04,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:31:04,974 INFO L550 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,021 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 05:31:05,022 INFO L550 ElimStorePlain]: Start of recursive call 492: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,068 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 55 [2021-06-05 05:31:05,069 INFO L550 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,110 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-06-05 05:31:05,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 149 treesize of output 43 [2021-06-05 05:31:05,111 INFO L550 ElimStorePlain]: Start of recursive call 494: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,157 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:31:05,159 INFO L550 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,204 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 57 [2021-06-05 05:31:05,205 INFO L550 ElimStorePlain]: Start of recursive call 496: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,252 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 54 [2021-06-05 05:31:05,253 INFO L550 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,299 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 188 treesize of output 53 [2021-06-05 05:31:05,300 INFO L550 ElimStorePlain]: Start of recursive call 498: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,344 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 216 treesize of output 59 [2021-06-05 05:31:05,346 INFO L550 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,391 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 220 treesize of output 59 [2021-06-05 05:31:05,392 INFO L550 ElimStorePlain]: Start of recursive call 500: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,439 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 211 treesize of output 58 [2021-06-05 05:31:05,440 INFO L550 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,494 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 59 [2021-06-05 05:31:05,495 INFO L550 ElimStorePlain]: Start of recursive call 502: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,547 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:05,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 65 [2021-06-05 05:31:05,548 INFO L550 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,640 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 56 [2021-06-05 05:31:05,642 INFO L550 ElimStorePlain]: Start of recursive call 504: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,665 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 56 [2021-06-05 05:31:05,667 INFO L550 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,687 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 55 [2021-06-05 05:31:05,688 INFO L550 ElimStorePlain]: Start of recursive call 506: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,708 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 182 treesize of output 53 [2021-06-05 05:31:05,709 INFO L550 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,729 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 05:31:05,731 INFO L550 ElimStorePlain]: Start of recursive call 508: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,751 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 05:31:05,752 INFO L550 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,772 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 52 [2021-06-05 05:31:05,773 INFO L550 ElimStorePlain]: Start of recursive call 510: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,793 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 54 [2021-06-05 05:31:05,795 INFO L550 ElimStorePlain]: Start of recursive call 511: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,815 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:31:05,816 INFO L550 ElimStorePlain]: Start of recursive call 512: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,844 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:05,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 67 [2021-06-05 05:31:05,845 INFO L550 ElimStorePlain]: Start of recursive call 513: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,877 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:05,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:31:05,879 INFO L550 ElimStorePlain]: Start of recursive call 514: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,907 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:05,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:31:05,909 INFO L550 ElimStorePlain]: Start of recursive call 515: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,929 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 210 treesize of output 57 [2021-06-05 05:31:05,930 INFO L550 ElimStorePlain]: Start of recursive call 516: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,950 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 189 treesize of output 54 [2021-06-05 05:31:05,952 INFO L550 ElimStorePlain]: Start of recursive call 517: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,972 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 54 [2021-06-05 05:31:05,973 INFO L550 ElimStorePlain]: Start of recursive call 518: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:05,994 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:05,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 222 treesize of output 61 [2021-06-05 05:31:05,995 INFO L550 ElimStorePlain]: Start of recursive call 519: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,016 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 52 [2021-06-05 05:31:06,017 INFO L550 ElimStorePlain]: Start of recursive call 520: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,036 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 56 [2021-06-05 05:31:06,038 INFO L550 ElimStorePlain]: Start of recursive call 521: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,057 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 234 treesize of output 61 [2021-06-05 05:31:06,059 INFO L550 ElimStorePlain]: Start of recursive call 522: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 208 treesize of output 57 [2021-06-05 05:31:06,080 INFO L550 ElimStorePlain]: Start of recursive call 523: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,099 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 52 [2021-06-05 05:31:06,100 INFO L550 ElimStorePlain]: Start of recursive call 524: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,120 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 54 [2021-06-05 05:31:06,122 INFO L550 ElimStorePlain]: Start of recursive call 525: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,140 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:31:06,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 217 treesize of output 66 [2021-06-05 05:31:06,142 INFO L550 ElimStorePlain]: Start of recursive call 526: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,160 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 229 treesize of output 60 [2021-06-05 05:31:06,161 INFO L550 ElimStorePlain]: Start of recursive call 527: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,179 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 47 [2021-06-05 05:31:06,180 INFO L550 ElimStorePlain]: Start of recursive call 528: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,183 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:31:06,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 56 [2021-06-05 05:31:06,185 INFO L550 ElimStorePlain]: Start of recursive call 529: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:06,186 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:31:06,186 INFO L247 ElimStorePlain]: Needed 529 recursive calls to eliminate 2 variables, input treesize:105977, output treesize:3 [2021-06-05 05:31:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:31:06,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616071983] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:31:06,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:31:06,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 05:31:06,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497742273] [2021-06-05 05:31:06,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:31:06,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:31:06,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:31:06,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:31:06,194 INFO L87 Difference]: Start difference. First operand 49976 states and 127041 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:06,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:31:06,676 INFO L93 Difference]: Finished difference Result 52344 states and 132850 transitions. [2021-06-05 05:31:06,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-05 05:31:06,676 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 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 42 [2021-06-05 05:31:06,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:31:06,761 INFO L225 Difference]: With dead ends: 52344 [2021-06-05 05:31:06,761 INFO L226 Difference]: Without dead ends: 52328 [2021-06-05 05:31:06,761 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 386.3ms TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:31:06,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52328 states. [2021-06-05 05:31:07,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52328 to 51480. [2021-06-05 05:31:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51480 states, 51479 states have (on average 2.547854464927446) internal successors, (131161), 51479 states have internal predecessors, (131161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51480 states to 51480 states and 131161 transitions. [2021-06-05 05:31:07,706 INFO L78 Accepts]: Start accepts. Automaton has 51480 states and 131161 transitions. Word has length 42 [2021-06-05 05:31:07,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:31:07,706 INFO L482 AbstractCegarLoop]: Abstraction has 51480 states and 131161 transitions. [2021-06-05 05:31:07,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:07,706 INFO L276 IsEmpty]: Start isEmpty. Operand 51480 states and 131161 transitions. [2021-06-05 05:31:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 05:31:07,736 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:31:07,736 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:31:07,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 138 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3459 [2021-06-05 05:31:07,937 INFO L430 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:31:07,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:31:07,937 INFO L82 PathProgramCache]: Analyzing trace with hash 848508788, now seen corresponding path program 138 times [2021-06-05 05:31:07,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:31:07,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698129627] [2021-06-05 05:31:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:31:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:31:07,992 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:31:07,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:31:07,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698129627] [2021-06-05 05:31:07,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698129627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:31:07,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902803447] [2021-06-05 05:31:07,993 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 139 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 139 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:31:08,025 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-05 05:31:08,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:31:08,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-05 05:31:08,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:31:08,388 INFO L446 ElimStorePlain]: Different costs {28=[f], 66=[f_inv]} [2021-06-05 05:31:08,489 INFO L354 Elim1Store]: treesize reduction 125, result has 44.4 percent of original size [2021-06-05 05:31:08,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 264 treesize of output 208 [2021-06-05 05:31:09,092 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-06-05 05:31:15,882 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:31:15,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:16,000 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:16,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 485 treesize of output 289 [2021-06-05 05:31:16,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:16,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:16,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:31:16,165 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:264, output treesize:3 [2021-06-05 05:31:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:31:16,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902803447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:31:16,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:31:16,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 05:31:16,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417836949] [2021-06-05 05:31:16,173 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:31:16,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:31:16,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:31:16,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:31:16,173 INFO L87 Difference]: Start difference. First operand 51480 states and 131161 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:16,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:31:16,567 INFO L93 Difference]: Finished difference Result 53250 states and 135691 transitions. [2021-06-05 05:31:16,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 05:31:16,568 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 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 42 [2021-06-05 05:31:16,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:31:16,658 INFO L225 Difference]: With dead ends: 53250 [2021-06-05 05:31:16,658 INFO L226 Difference]: Without dead ends: 53232 [2021-06-05 05:31:16,658 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 347.7ms TimeCoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:31:16,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53232 states. [2021-06-05 05:31:17,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53232 to 52433. [2021-06-05 05:31:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52433 states, 52432 states have (on average 2.5524679584986267) internal successors, (133831), 52432 states have internal predecessors, (133831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52433 states to 52433 states and 133831 transitions. [2021-06-05 05:31:17,478 INFO L78 Accepts]: Start accepts. Automaton has 52433 states and 133831 transitions. Word has length 42 [2021-06-05 05:31:17,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:31:17,478 INFO L482 AbstractCegarLoop]: Abstraction has 52433 states and 133831 transitions. [2021-06-05 05:31:17,478 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 52433 states and 133831 transitions. [2021-06-05 05:31:17,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 05:31:17,511 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:31:17,511 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:31:17,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3933,139 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:31:17,712 INFO L430 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:31:17,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:31:17,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1524801932, now seen corresponding path program 139 times [2021-06-05 05:31:17,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:31:17,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631056156] [2021-06-05 05:31:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:31:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:31:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:31:17,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:31:17,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631056156] [2021-06-05 05:31:17,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631056156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:31:17,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921048202] [2021-06-05 05:31:17,758 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 140 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 140 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:31:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:31:17,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 05:31:17,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:31:18,158 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 74 [2021-06-05 05:31:18,158 INFO L354 Elim1Store]: treesize reduction 365, result has 32.5 percent of original size [2021-06-05 05:31:18,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 16 new quantified variables, introduced 45 case distinctions, treesize of input 207 treesize of output 236 [2021-06-05 05:31:18,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:18,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:18,209 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:31:18,209 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:207, output treesize:294 [2021-06-05 05:31:18,299 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:31:19,187 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 47 [2021-06-05 05:31:19,274 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_142], 10=[f], 15=[v_prenex_143], 21=[v_prenex_141]} [2021-06-05 05:31:19,295 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:19,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-05 05:31:19,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:19,304 INFO L628 ElimStorePlain]: treesize reduction 216, result has 1.4 percent of original size [2021-06-05 05:31:19,304 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 05:31:19,304 INFO L518 ElimStorePlain]: Eliminatee v_prenex_143 vanished before elimination [2021-06-05 05:31:19,304 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-06-05 05:31:19,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:31:19,305 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:239, output treesize:3 [2021-06-05 05:31:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:31:19,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921048202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:31:19,312 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:31:19,312 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 05:31:19,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193182842] [2021-06-05 05:31:19,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:31:19,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:31:19,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:31:19,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:31:19,313 INFO L87 Difference]: Start difference. First operand 52433 states and 133831 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:19,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:31:19,811 INFO L93 Difference]: Finished difference Result 54975 states and 140281 transitions. [2021-06-05 05:31:19,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-05 05:31:19,811 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 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 42 [2021-06-05 05:31:19,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:31:19,904 INFO L225 Difference]: With dead ends: 54975 [2021-06-05 05:31:19,904 INFO L226 Difference]: Without dead ends: 54946 [2021-06-05 05:31:19,904 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 918.3ms TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:31:19,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54946 states. [2021-06-05 05:31:20,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54946 to 53500. [2021-06-05 05:31:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53500 states, 53499 states have (on average 2.556926297687807) internal successors, (136793), 53499 states have internal predecessors, (136793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53500 states to 53500 states and 136793 transitions. [2021-06-05 05:31:21,043 INFO L78 Accepts]: Start accepts. Automaton has 53500 states and 136793 transitions. Word has length 42 [2021-06-05 05:31:21,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:31:21,043 INFO L482 AbstractCegarLoop]: Abstraction has 53500 states and 136793 transitions. [2021-06-05 05:31:21,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 53500 states and 136793 transitions. [2021-06-05 05:31:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 05:31:21,076 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:31:21,076 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:31:21,283 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6556,140 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:31:21,284 INFO L430 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:31:21,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:31:21,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1648769676, now seen corresponding path program 140 times [2021-06-05 05:31:21,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:31:21,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597336914] [2021-06-05 05:31:21,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:31:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:31:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:31:21,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:31:21,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597336914] [2021-06-05 05:31:21,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597336914] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:31:21,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495548816] [2021-06-05 05:31:21,332 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 141 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 141 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:31:21,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:31:21,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:31:21,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 05:31:21,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:31:21,674 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 71 [2021-06-05 05:31:21,674 INFO L354 Elim1Store]: treesize reduction 226, result has 41.3 percent of original size [2021-06-05 05:31:21,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 15 new quantified variables, introduced 36 case distinctions, treesize of input 205 treesize of output 215 [2021-06-05 05:31:21,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:21,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:21,740 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:31:21,741 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:260 [2021-06-05 05:31:21,851 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:31:22,681 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2021-06-05 05:31:22,846 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_145], 10=[f], 15=[v_prenex_146], 21=[v_prenex_144]} [2021-06-05 05:31:22,867 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:22,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-05 05:31:22,869 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:31:22,875 INFO L628 ElimStorePlain]: treesize reduction 214, result has 1.4 percent of original size [2021-06-05 05:31:22,875 INFO L518 ElimStorePlain]: Eliminatee f vanished before elimination [2021-06-05 05:31:22,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-06-05 05:31:22,876 INFO L518 ElimStorePlain]: Eliminatee v_prenex_144 vanished before elimination [2021-06-05 05:31:22,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:31:22,876 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:237, output treesize:3 [2021-06-05 05:31:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:31:22,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495548816] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:31:22,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:31:22,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 05:31:22,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720078989] [2021-06-05 05:31:22,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:31:22,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:31:22,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:31:22,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:31:22,884 INFO L87 Difference]: Start difference. First operand 53500 states and 136793 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:23,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:31:23,349 INFO L93 Difference]: Finished difference Result 56192 states and 143625 transitions. [2021-06-05 05:31:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-05 05:31:23,349 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 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 42 [2021-06-05 05:31:23,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:31:23,444 INFO L225 Difference]: With dead ends: 56192 [2021-06-05 05:31:23,444 INFO L226 Difference]: Without dead ends: 56159 [2021-06-05 05:31:23,445 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 982.5ms TimeCoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:31:23,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56159 states. [2021-06-05 05:31:24,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56159 to 54544. [2021-06-05 05:31:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54544 states, 54543 states have (on average 2.5606402288102963) internal successors, (139665), 54543 states have internal predecessors, (139665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54544 states to 54544 states and 139665 transitions. [2021-06-05 05:31:24,608 INFO L78 Accepts]: Start accepts. Automaton has 54544 states and 139665 transitions. Word has length 42 [2021-06-05 05:31:24,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:31:24,608 INFO L482 AbstractCegarLoop]: Abstraction has 54544 states and 139665 transitions. [2021-06-05 05:31:24,608 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:31:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 54544 states and 139665 transitions. [2021-06-05 05:31:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 05:31:24,641 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:31:24,641 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:31:24,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6567,141 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:31:24,841 INFO L430 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:31:24,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:31:24,842 INFO L82 PathProgramCache]: Analyzing trace with hash -522687372, now seen corresponding path program 141 times [2021-06-05 05:31:24,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:31:24,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917583267] [2021-06-05 05:31:24,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:31:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:31:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:31:24,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:31:24,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917583267] [2021-06-05 05:31:24,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917583267] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:31:24,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658784578] [2021-06-05 05:31:24,887 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 142 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 142 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:31:24,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-06-05 05:31:24,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:31:24,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-05 05:31:24,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:31:25,318 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 68 [2021-06-05 05:31:25,319 INFO L354 Elim1Store]: treesize reduction 205, result has 39.2 percent of original size [2021-06-05 05:31:25,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 258 treesize of output 214 [2021-06-05 05:31:26,222 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2021-06-05 05:31:27,205 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:31:27,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:31:28,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:31:28,221 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:258, output treesize:303 [2021-06-05 05:31:30,117 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:31:35,069 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 960 DAG size of output: 960 [2021-06-05 05:31:40,363 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 1607 DAG size of output: 1607 [2021-06-05 05:31:45,375 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 1607 DAG size of output: 1607 [2021-06-05 05:31:48,153 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 1607 [2021-06-05 05:32:07,993 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:32:08,425 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:08,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-06-05 05:32:08,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:08,532 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:08,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 05:32:08,534 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:08,672 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:08,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 62 [2021-06-05 05:32:08,674 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:08,782 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:08,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 05:32:08,783 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:08,912 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:08,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:08,913 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:09,040 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:09,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:09,041 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:09,182 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:09,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:09,183 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:09,314 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:09,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:09,315 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:09,421 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:09,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-06-05 05:32:09,423 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:09,554 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:09,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 1 [2021-06-05 05:32:09,555 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:09,693 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:09,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 1 [2021-06-05 05:32:09,694 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:09,830 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:09,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:09,832 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:09,962 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:09,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:09,964 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:10,091 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:10,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:10,093 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:10,224 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:10,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:32:10,225 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:10,337 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:10,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:10,339 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:10,453 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:10,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:32:10,455 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:10,592 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:10,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:10,593 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:10,727 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:10,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:10,729 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:10,885 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:10,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 1 [2021-06-05 05:32:10,886 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:11,027 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:11,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:11,029 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:11,160 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:11,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 145 treesize of output 52 [2021-06-05 05:32:11,161 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:11,300 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:11,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:11,303 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:11,428 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:11,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:32:11,430 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:11,555 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:11,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:32:11,556 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:11,697 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:11,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:11,698 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:11,842 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:11,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:11,843 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:11,989 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:11,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:32:11,991 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:12,136 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:12,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:12,138 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:12,289 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:12,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:12,291 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:12,436 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:12,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:12,438 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:12,588 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:12,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:12,589 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:12,738 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:12,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 140 treesize of output 61 [2021-06-05 05:32:12,739 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:12,888 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:12,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:12,890 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:13,036 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:13,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:32:13,037 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:13,189 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:13,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:13,191 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:13,344 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:13,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:13,346 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:13,506 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:13,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:13,508 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:13,669 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:13,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:13,671 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:13,828 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:13,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:13,830 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:13,987 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:13,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:13,989 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:14,147 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:14,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:14,148 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:14,308 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:14,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:14,309 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:14,455 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:14,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:32:14,456 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:14,619 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:14,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:14,621 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:14,787 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:14,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:14,788 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:14,951 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:14,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:14,954 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:15,121 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:15,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 05:32:15,123 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:15,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:15,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:32:15,275 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:15,442 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:15,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:15,443 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:15,595 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:15,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 05:32:15,596 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:15,771 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:15,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:15,773 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:15,925 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:15,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:32:15,926 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:16,099 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:16,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:16,100 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:16,273 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:16,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:16,275 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:16,448 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:16,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 05:32:16,450 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:16,624 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:16,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:16,625 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:16,800 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:16,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:16,802 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:16,962 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:16,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 05:32:16,963 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:17,125 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:17,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:17,126 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:17,331 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:17,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:17,333 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:17,515 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:17,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:17,516 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:17,682 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:17,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 200 treesize of output 63 [2021-06-05 05:32:17,684 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:17,864 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:17,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:17,866 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:18,048 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:18,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:18,050 INFO L550 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:18,241 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:18,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:18,243 INFO L550 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:18,428 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:18,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:18,430 INFO L550 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:18,601 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:18,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-06-05 05:32:18,602 INFO L550 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:18,787 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:18,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:18,789 INFO L550 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:18,976 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:18,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:18,978 INFO L550 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:19,151 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:19,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:19,152 INFO L550 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:19,342 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:19,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:19,344 INFO L550 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:19,535 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:19,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:19,537 INFO L550 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:19,735 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:19,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:19,737 INFO L550 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:19,928 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:19,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:19,929 INFO L550 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:20,106 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:20,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 05:32:20,107 INFO L550 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:20,302 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:20,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:20,304 INFO L550 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:20,503 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:20,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:20,505 INFO L550 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:20,702 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:20,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:20,704 INFO L550 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:20,918 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:20,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:20,920 INFO L550 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,019 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:21,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 05:32:21,021 INFO L550 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,122 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:21,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:32:21,124 INFO L550 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,226 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:21,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:32:21,227 INFO L550 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,346 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:21,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:21,348 INFO L550 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,472 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:21,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:21,473 INFO L550 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,593 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:21,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:21,595 INFO L550 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,701 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:21,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 05:32:21,702 INFO L550 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,825 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:21,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:21,827 INFO L550 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:21,969 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:21,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:21,971 INFO L550 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:22,096 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:22,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:22,098 INFO L550 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:22,210 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:22,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:22,212 INFO L550 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:22,338 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:22,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:22,340 INFO L550 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:22,469 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:22,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:22,471 INFO L550 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:22,602 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:22,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:22,603 INFO L550 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:22,720 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:22,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 05:32:22,721 INFO L550 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:22,837 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:22,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:32:22,838 INFO L550 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:22,971 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:22,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:22,972 INFO L550 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:23,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:23,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:23,109 INFO L550 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:23,243 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:23,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:23,245 INFO L550 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:23,364 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:23,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:32:23,365 INFO L550 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:23,486 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:23,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:23,487 INFO L550 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:23,626 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:23,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:23,627 INFO L550 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:23,771 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:23,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:23,772 INFO L550 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:23,910 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:23,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:32:23,912 INFO L550 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:24,052 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:24,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:24,053 INFO L550 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:24,201 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:24,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:24,202 INFO L550 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:24,343 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:24,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:24,344 INFO L550 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:24,487 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:24,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:24,489 INFO L550 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:24,632 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:24,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:24,634 INFO L550 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:24,788 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:24,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:24,790 INFO L550 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:24,938 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:24,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 70 [2021-06-05 05:32:24,940 INFO L550 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:25,088 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:25,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:25,090 INFO L550 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:25,245 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:25,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:25,246 INFO L550 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:25,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:25,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:25,397 INFO L550 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:25,548 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:25,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:25,550 INFO L550 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:25,715 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:25,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:25,717 INFO L550 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:25,857 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:25,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:32:25,858 INFO L550 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:26,010 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:26,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:26,012 INFO L550 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:26,174 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:26,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:26,176 INFO L550 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:26,329 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:26,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:26,331 INFO L550 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:26,473 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:26,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 05:32:26,474 INFO L550 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:26,630 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:26,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:32:26,632 INFO L550 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:26,788 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:26,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:26,790 INFO L550 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:26,947 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:26,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-06-05 05:32:26,948 INFO L550 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:27,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:27,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:27,109 INFO L550 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:27,276 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:27,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:27,277 INFO L550 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:27,436 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:27,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:27,437 INFO L550 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:27,582 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:27,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 05:32:27,583 INFO L550 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:27,744 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:27,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:27,746 INFO L550 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:27,891 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:27,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:32:27,893 INFO L550 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:28,041 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:28,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 05:32:28,043 INFO L550 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:28,207 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:28,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:28,210 INFO L550 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:28,375 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:28,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:28,376 INFO L550 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:28,545 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:28,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:28,547 INFO L550 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:28,698 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:28,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 58 [2021-06-05 05:32:28,700 INFO L550 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:28,868 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:28,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:28,870 INFO L550 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:29,038 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:29,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:29,040 INFO L550 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:29,214 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:29,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:29,216 INFO L550 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:29,369 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:29,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 53 [2021-06-05 05:32:29,371 INFO L550 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:29,540 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:29,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:29,542 INFO L550 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:29,714 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:29,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:29,715 INFO L550 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:29,886 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:29,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:29,888 INFO L550 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:30,047 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:30,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:32:30,048 INFO L550 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:30,226 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:30,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:30,227 INFO L550 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:30,384 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:30,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 05:32:30,386 INFO L550 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:30,545 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:30,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:32:30,546 INFO L550 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:30,722 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:30,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:30,723 INFO L550 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:30,900 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:30,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:30,902 INFO L550 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:31,063 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:31,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:32:31,065 INFO L550 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:31,243 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:31,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:31,244 INFO L550 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:31,423 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:31,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:31,425 INFO L550 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:31,605 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:31,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:31,606 INFO L550 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:31,798 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:31,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:31,800 INFO L550 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:31,967 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:31,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 55 [2021-06-05 05:32:31,969 INFO L550 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:32,151 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:32,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:32,152 INFO L550 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:32,337 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:32,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:32,338 INFO L550 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:32,521 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:32,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:32,523 INFO L550 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:32,692 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:32,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 58 [2021-06-05 05:32:32,764 INFO L550 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:32,870 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:32,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:32,871 INFO L550 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:32,962 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:32,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:32,963 INFO L550 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,052 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:33,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:32:33,054 INFO L550 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,146 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:33,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:33,147 INFO L550 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,241 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:33,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 05:32:33,242 INFO L550 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,338 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:33,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:32:33,339 INFO L550 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,458 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:33,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:33,460 INFO L550 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,572 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:33,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:33,575 INFO L550 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,689 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:33,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:33,691 INFO L550 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,811 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:33,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:33,813 INFO L550 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:33,912 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:33,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:32:33,914 INFO L550 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:34,029 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:34,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:34,031 INFO L550 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:34,132 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:34,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-06-05 05:32:34,134 INFO L550 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:34,250 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:34,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:34,252 INFO L550 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:34,394 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:34,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:32:34,402 INFO L550 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:34,536 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:34,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:34,538 INFO L550 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:34,660 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:34,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:34,662 INFO L550 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:34,783 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:34,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:34,785 INFO L550 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:34,890 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:34,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:32:34,892 INFO L550 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:35,016 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:35,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:35,018 INFO L550 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:35,130 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:35,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:35,132 INFO L550 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:35,256 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:35,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:35,257 INFO L550 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:35,383 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:35,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:35,384 INFO L550 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:35,511 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:35,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:35,513 INFO L550 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:35,627 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:35,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 54 [2021-06-05 05:32:35,629 INFO L550 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:35,760 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:35,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:35,762 INFO L550 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:35,890 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:35,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:35,892 INFO L550 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:36,008 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:36,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:36,009 INFO L550 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:36,145 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:36,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:36,147 INFO L550 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:36,279 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:36,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:36,280 INFO L550 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:36,414 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:36,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:36,416 INFO L550 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:36,556 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:36,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:36,557 INFO L550 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:36,702 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:36,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:36,703 INFO L550 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:36,826 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:36,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:32:36,828 INFO L550 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:36,966 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:36,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:36,968 INFO L550 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:37,107 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:37,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:37,108 INFO L550 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:37,238 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:37,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:32:37,239 INFO L550 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:37,380 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:37,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:37,382 INFO L550 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:37,508 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:37,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:37,510 INFO L550 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:37,656 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:37,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:37,659 INFO L550 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:37,799 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:37,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:37,801 INFO L550 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:37,943 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:37,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:37,944 INFO L550 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:38,088 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:38,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:38,089 INFO L550 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:38,245 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:38,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:38,247 INFO L550 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:38,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:38,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:38,398 INFO L550 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:38,529 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:38,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:32:38,531 INFO L550 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:38,662 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:38,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 05:32:38,664 INFO L550 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:38,818 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:38,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:38,820 INFO L550 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:38,967 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:38,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:38,969 INFO L550 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:39,118 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:39,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:39,119 INFO L550 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:39,269 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:39,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:39,270 INFO L550 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:39,427 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:39,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 05:32:39,429 INFO L550 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:39,579 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:39,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:39,581 INFO L550 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:39,737 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:39,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:39,739 INFO L550 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:39,890 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:39,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:39,892 INFO L550 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:40,045 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:40,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:40,047 INFO L550 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:40,201 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:40,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:40,202 INFO L550 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:40,341 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:40,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:32:40,343 INFO L550 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:40,496 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:40,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:32:40,498 INFO L550 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:40,653 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:40,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-06-05 05:32:40,655 INFO L550 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:40,816 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:40,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:40,818 INFO L550 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:40,974 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:40,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-06-05 05:32:40,975 INFO L550 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:41,132 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:41,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:41,133 INFO L550 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:41,291 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:41,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:41,293 INFO L550 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:41,439 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:41,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:41,441 INFO L550 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:41,604 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:41,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:41,606 INFO L550 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:41,773 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:41,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:41,774 INFO L550 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:41,950 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:41,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:41,952 INFO L550 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:42,114 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:42,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:42,116 INFO L550 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:42,264 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:42,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:42,265 INFO L550 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:42,429 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:42,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:42,431 INFO L550 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:42,586 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:42,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-06-05 05:32:42,588 INFO L550 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:42,756 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:42,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:42,758 INFO L550 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:42,914 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:42,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:32:42,915 INFO L550 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:43,069 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:43,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:32:43,071 INFO L550 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:43,248 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:43,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:43,249 INFO L550 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:43,419 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:43,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:43,421 INFO L550 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:43,592 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:43,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:43,594 INFO L550 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:43,765 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:43,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:43,767 INFO L550 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:43,939 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:43,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:43,941 INFO L550 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:44,098 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:44,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:44,099 INFO L550 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:44,273 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:44,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:44,275 INFO L550 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:44,457 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:44,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:44,459 INFO L550 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:44,620 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:44,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 05:32:44,622 INFO L550 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:44,805 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:44,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:44,807 INFO L550 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,061 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 1 [2021-06-05 05:32:45,062 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:45,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:45,063 INFO L550 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,168 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:45,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 05:32:45,170 INFO L550 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,257 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:45,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 53 [2021-06-05 05:32:45,258 INFO L550 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,380 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:45,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:45,381 INFO L550 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,495 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:45,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:45,497 INFO L550 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,585 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:45,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:45,586 INFO L550 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,676 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:45,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:32:45,678 INFO L550 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,782 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:45,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:45,784 INFO L550 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,889 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:45,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:45,891 INFO L550 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:45,982 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:45,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:32:45,984 INFO L550 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,078 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:46,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:46,080 INFO L550 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,189 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:46,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:46,191 INFO L550 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,301 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:46,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:46,302 INFO L550 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,398 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:46,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 55 [2021-06-05 05:32:46,399 INFO L550 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,511 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:46,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:46,512 INFO L550 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,631 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:46,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:46,633 INFO L550 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,752 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:46,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:46,754 INFO L550 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,853 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:46,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 05:32:46,855 INFO L550 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:46,968 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:46,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:46,970 INFO L550 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:47,070 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:47,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:32:47,072 INFO L550 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:47,187 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:47,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:47,189 INFO L550 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:47,306 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:47,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:47,308 INFO L550 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:47,410 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:47,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:32:47,412 INFO L550 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:47,526 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:47,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:32:47,528 INFO L550 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:47,638 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:47,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:47,640 INFO L550 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:47,758 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:47,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:47,760 INFO L550 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:47,885 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:47,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 05:32:47,886 INFO L550 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:48,006 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:48,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:48,008 INFO L550 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:48,128 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:48,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 05:32:48,130 INFO L550 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:48,252 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:48,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:48,254 INFO L550 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:48,368 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:48,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 05:32:48,382 INFO L550 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:48,507 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:48,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:48,509 INFO L550 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:48,633 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:48,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:48,635 INFO L550 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:48,759 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:48,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:48,761 INFO L550 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:48,886 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:48,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:48,888 INFO L550 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:49,013 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:49,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:49,015 INFO L550 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:49,133 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:49,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 05:32:49,135 INFO L550 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:49,263 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:49,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:49,265 INFO L550 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:49,399 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:49,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:49,401 INFO L550 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:49,515 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:49,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:49,517 INFO L550 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:49,647 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:49,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:49,649 INFO L550 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:49,789 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:49,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:49,790 INFO L550 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:49,926 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:49,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:49,928 INFO L550 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:50,047 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:50,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:32:50,048 INFO L550 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:50,182 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:50,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:50,184 INFO L550 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:50,307 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:50,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:32:50,309 INFO L550 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:50,446 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:50,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:50,448 INFO L550 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:50,585 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:50,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:50,587 INFO L550 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:50,728 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:50,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:32:50,730 INFO L550 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:50,865 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:50,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:50,867 INFO L550 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:51,009 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:51,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:51,011 INFO L550 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:51,147 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:51,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:51,149 INFO L550 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:51,286 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:51,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:51,288 INFO L550 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:51,441 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:51,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:51,443 INFO L550 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:51,600 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:51,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:51,601 INFO L550 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:51,749 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:51,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:51,751 INFO L550 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:51,898 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:51,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 05:32:51,900 INFO L550 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:52,031 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:52,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:52,032 INFO L550 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:52,173 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:52,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:52,175 INFO L550 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:52,321 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:52,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:52,323 INFO L550 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:52,448 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:52,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:52,450 INFO L550 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:52,593 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:52,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:52,595 INFO L550 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:52,737 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:52,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:52,739 INFO L550 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:52,882 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:52,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:52,884 INFO L550 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:53,028 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:53,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:53,029 INFO L550 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:53,174 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:53,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:53,175 INFO L550 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:53,321 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:53,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 05:32:53,323 INFO L550 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:53,467 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:53,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:32:53,469 INFO L550 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:53,614 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:53,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:53,616 INFO L550 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:53,762 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:53,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:53,765 INFO L550 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:53,911 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:53,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:53,913 INFO L550 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:54,062 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:54,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:54,064 INFO L550 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:54,200 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:54,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:32:54,202 INFO L550 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:54,351 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:54,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:54,353 INFO L550 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:54,503 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:54,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:54,505 INFO L550 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:54,661 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:54,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:54,663 INFO L550 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:54,802 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:54,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:54,803 INFO L550 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:54,941 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:54,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:32:54,942 INFO L550 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:55,081 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:55,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 57 [2021-06-05 05:32:55,083 INFO L550 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:55,224 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:55,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 57 [2021-06-05 05:32:55,225 INFO L550 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:55,365 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:55,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-06-05 05:32:55,367 INFO L550 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:55,527 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:55,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:55,529 INFO L550 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:55,684 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:55,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:55,686 INFO L550 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:55,841 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:55,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:55,843 INFO L550 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:55,985 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:55,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:32:55,987 INFO L550 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:56,150 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:56,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 05:32:56,152 INFO L550 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:56,298 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:56,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:56,300 INFO L550 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:56,461 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:56,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-06-05 05:32:56,463 INFO L550 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:56,628 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:56,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:56,630 INFO L550 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:56,789 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:56,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:56,791 INFO L550 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:56,951 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:56,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:56,953 INFO L550 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:57,114 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:57,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:57,116 INFO L550 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:57,278 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:57,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:57,280 INFO L550 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:57,448 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:57,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:57,450 INFO L550 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:57,609 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:57,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:57,611 INFO L550 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:57,685 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:57,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 57 [2021-06-05 05:32:57,686 INFO L550 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:57,761 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:57,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:57,762 INFO L550 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:57,851 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:57,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:57,852 INFO L550 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:57,941 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:57,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:57,943 INFO L550 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,033 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:58,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:58,035 INFO L550 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,126 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:58,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:58,127 INFO L550 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,225 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:58,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:58,227 INFO L550 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,306 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:58,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 53 [2021-06-05 05:32:58,308 INFO L550 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,402 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:58,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:32:58,404 INFO L550 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,486 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:58,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 05:32:58,487 INFO L550 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,582 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:58,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:32:58,584 INFO L550 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,667 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:58,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:32:58,669 INFO L550 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,765 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:58,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:32:58,767 INFO L550 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,864 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:58,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:32:58,866 INFO L550 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:58,969 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:58,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:32:58,971 INFO L550 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,070 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:59,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:32:59,072 INFO L550 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,174 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:59,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:59,175 INFO L550 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,291 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:59,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:32:59,294 INFO L550 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,387 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:59,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:32:59,389 INFO L550 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,493 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:59,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:32:59,495 INFO L550 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,585 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:59,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:32:59,587 INFO L550 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,689 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:59,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:32:59,691 INFO L550 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,794 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:59,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:32:59,795 INFO L550 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,898 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:32:59,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 05:32:59,899 INFO L550 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2021-06-05 05:32:59,995 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:32:59,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:32:59,997 INFO L550 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,101 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:00,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:00,103 INFO L550 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,215 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:00,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:00,217 INFO L550 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,309 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:00,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:00,310 INFO L550 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,416 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:00,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:00,418 INFO L550 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,524 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:00,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:00,526 INFO L550 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,634 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:00,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:00,636 INFO L550 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,744 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:00,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:00,745 INFO L550 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,854 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:00,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:00,856 INFO L550 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:00,966 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:00,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:00,968 INFO L550 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,078 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:01,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:01,080 INFO L550 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,196 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:01,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 05:33:01,198 INFO L550 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,308 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:01,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:01,310 INFO L550 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,408 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:01,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:01,410 INFO L550 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,522 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:01,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:01,523 INFO L550 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,636 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:01,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:33:01,638 INFO L550 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,737 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:01,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:01,750 INFO L550 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,864 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:01,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:01,865 INFO L550 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:01,984 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:01,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:01,986 INFO L550 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,089 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:02,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:33:02,090 INFO L550 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,206 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:02,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:02,207 INFO L550 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,311 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:02,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 05:33:02,313 INFO L550 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,417 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:02,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:02,419 INFO L550 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,523 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:02,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:02,525 INFO L550 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,648 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:02,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:02,650 INFO L550 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,768 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:02,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:02,770 INFO L550 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,875 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:02,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 05:33:02,877 INFO L550 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:02,997 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:02,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:02,998 INFO L550 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:03,120 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:03,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:03,121 INFO L550 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:03,229 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:03,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-06-05 05:33:03,231 INFO L550 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:03,340 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:03,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:33:03,342 INFO L550 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:03,467 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:03,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:03,469 INFO L550 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:03,599 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:03,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:03,600 INFO L550 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:03,729 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:03,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:03,730 INFO L550 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:03,857 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:03,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:03,859 INFO L550 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:03,984 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:03,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:03,986 INFO L550 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:04,112 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:04,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:04,114 INFO L550 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:04,226 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:04,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:04,228 INFO L550 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:04,354 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:04,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:04,356 INFO L550 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:04,483 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:04,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:04,485 INFO L550 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:04,613 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:04,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:04,615 INFO L550 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:04,742 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:04,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:04,743 INFO L550 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:04,871 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:04,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:33:04,873 INFO L550 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:04,988 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:04,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:04,990 INFO L550 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:05,106 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:05,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:05,108 INFO L550 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:05,238 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:05,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:05,240 INFO L550 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:05,357 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:05,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 05:33:05,359 INFO L550 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:05,497 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:05,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:05,498 INFO L550 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:05,618 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:05,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:05,620 INFO L550 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:05,754 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:05,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:05,756 INFO L550 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:05,890 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:05,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:05,891 INFO L550 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:06,011 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:06,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 59 [2021-06-05 05:33:06,013 INFO L550 ElimStorePlain]: Start of recursive call 415: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:06,144 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:06,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:06,146 INFO L550 ElimStorePlain]: Start of recursive call 416: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:06,299 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:06,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:06,301 INFO L550 ElimStorePlain]: Start of recursive call 417: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:06,436 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:06,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:06,437 INFO L550 ElimStorePlain]: Start of recursive call 418: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:06,575 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:06,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:06,577 INFO L550 ElimStorePlain]: Start of recursive call 419: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:06,712 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:06,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:06,714 INFO L550 ElimStorePlain]: Start of recursive call 420: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:06,851 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:06,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:06,853 INFO L550 ElimStorePlain]: Start of recursive call 421: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:07,008 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:07,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:07,009 INFO L550 ElimStorePlain]: Start of recursive call 422: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:07,153 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:07,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:07,154 INFO L550 ElimStorePlain]: Start of recursive call 423: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:07,291 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:07,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:07,292 INFO L550 ElimStorePlain]: Start of recursive call 424: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:07,417 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:07,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:07,418 INFO L550 ElimStorePlain]: Start of recursive call 425: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:07,560 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:07,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:07,562 INFO L550 ElimStorePlain]: Start of recursive call 426: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:07,702 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:07,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:07,704 INFO L550 ElimStorePlain]: Start of recursive call 427: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:07,842 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:07,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:07,844 INFO L550 ElimStorePlain]: Start of recursive call 428: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:07,969 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:07,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:07,971 INFO L550 ElimStorePlain]: Start of recursive call 429: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:08,110 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:08,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:08,112 INFO L550 ElimStorePlain]: Start of recursive call 430: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:08,251 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:08,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:08,253 INFO L550 ElimStorePlain]: Start of recursive call 431: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:08,394 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:08,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 05:33:08,396 INFO L550 ElimStorePlain]: Start of recursive call 432: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:08,536 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:08,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:08,538 INFO L550 ElimStorePlain]: Start of recursive call 433: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:08,681 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:08,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:08,682 INFO L550 ElimStorePlain]: Start of recursive call 434: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:08,824 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:08,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:08,833 INFO L550 ElimStorePlain]: Start of recursive call 435: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:08,975 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:08,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:08,977 INFO L550 ElimStorePlain]: Start of recursive call 436: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:09,120 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:09,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:09,122 INFO L550 ElimStorePlain]: Start of recursive call 437: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:09,253 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:09,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:09,254 INFO L550 ElimStorePlain]: Start of recursive call 438: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:09,397 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:09,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:09,399 INFO L550 ElimStorePlain]: Start of recursive call 439: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:09,542 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:09,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:09,544 INFO L550 ElimStorePlain]: Start of recursive call 440: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:09,689 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:09,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:09,691 INFO L550 ElimStorePlain]: Start of recursive call 441: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:09,836 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:09,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 190 treesize of output 69 [2021-06-05 05:33:09,838 INFO L550 ElimStorePlain]: Start of recursive call 442: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:09,986 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:09,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:09,988 INFO L550 ElimStorePlain]: Start of recursive call 443: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,063 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:10,064 INFO L550 ElimStorePlain]: Start of recursive call 444: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,140 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:10,141 INFO L550 ElimStorePlain]: Start of recursive call 445: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,223 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:10,224 INFO L550 ElimStorePlain]: Start of recursive call 446: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,289 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:10,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 05:33:10,291 INFO L550 ElimStorePlain]: Start of recursive call 447: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,369 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:10,370 INFO L550 ElimStorePlain]: Start of recursive call 448: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,449 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:10,451 INFO L550 ElimStorePlain]: Start of recursive call 449: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,530 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:10,532 INFO L550 ElimStorePlain]: Start of recursive call 450: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,613 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:10,615 INFO L550 ElimStorePlain]: Start of recursive call 451: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,696 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:10,698 INFO L550 ElimStorePlain]: Start of recursive call 452: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,779 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:10,781 INFO L550 ElimStorePlain]: Start of recursive call 453: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,863 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:10,865 INFO L550 ElimStorePlain]: Start of recursive call 454: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:10,952 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:10,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:10,954 INFO L550 ElimStorePlain]: Start of recursive call 455: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,036 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:11,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:11,037 INFO L550 ElimStorePlain]: Start of recursive call 456: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,108 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:11,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 05:33:11,109 INFO L550 ElimStorePlain]: Start of recursive call 457: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,180 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:11,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:11,182 INFO L550 ElimStorePlain]: Start of recursive call 458: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,266 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:11,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:11,268 INFO L550 ElimStorePlain]: Start of recursive call 459: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,341 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:11,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 05:33:11,343 INFO L550 ElimStorePlain]: Start of recursive call 460: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,417 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:11,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:11,419 INFO L550 ElimStorePlain]: Start of recursive call 461: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,506 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:11,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:11,507 INFO L550 ElimStorePlain]: Start of recursive call 462: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,597 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:11,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:11,598 INFO L550 ElimStorePlain]: Start of recursive call 463: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,686 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:11,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:11,687 INFO L550 ElimStorePlain]: Start of recursive call 464: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,775 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:11,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:11,777 INFO L550 ElimStorePlain]: Start of recursive call 465: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,865 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:11,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:11,867 INFO L550 ElimStorePlain]: Start of recursive call 466: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:11,958 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:11,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:11,959 INFO L550 ElimStorePlain]: Start of recursive call 467: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,049 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:12,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:12,051 INFO L550 ElimStorePlain]: Start of recursive call 468: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,141 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:12,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:12,143 INFO L550 ElimStorePlain]: Start of recursive call 469: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,233 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:12,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:12,235 INFO L550 ElimStorePlain]: Start of recursive call 470: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,331 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:12,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:12,333 INFO L550 ElimStorePlain]: Start of recursive call 471: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,413 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:12,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:33:12,415 INFO L550 ElimStorePlain]: Start of recursive call 472: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,507 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:12,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:12,509 INFO L550 ElimStorePlain]: Start of recursive call 473: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,606 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:12,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:12,607 INFO L550 ElimStorePlain]: Start of recursive call 474: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,700 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:12,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:12,702 INFO L550 ElimStorePlain]: Start of recursive call 475: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,787 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:12,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 05:33:12,789 INFO L550 ElimStorePlain]: Start of recursive call 476: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,883 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:12,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:12,885 INFO L550 ElimStorePlain]: Start of recursive call 477: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:12,967 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:12,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:12,969 INFO L550 ElimStorePlain]: Start of recursive call 478: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:13,065 INFO L550 ElimStorePlain]: Start of recursive call 479: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,174 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:13,176 INFO L550 ElimStorePlain]: Start of recursive call 480: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,265 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:13,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-06-05 05:33:13,266 INFO L550 ElimStorePlain]: Start of recursive call 481: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,363 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:13,365 INFO L550 ElimStorePlain]: Start of recursive call 482: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,462 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:13,463 INFO L550 ElimStorePlain]: Start of recursive call 483: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,560 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:13,562 INFO L550 ElimStorePlain]: Start of recursive call 484: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,661 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:13,662 INFO L550 ElimStorePlain]: Start of recursive call 485: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,761 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:13,763 INFO L550 ElimStorePlain]: Start of recursive call 486: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,862 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:13,864 INFO L550 ElimStorePlain]: Start of recursive call 487: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:13,963 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:13,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:13,965 INFO L550 ElimStorePlain]: Start of recursive call 488: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:14,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 05:33:14,066 INFO L550 ElimStorePlain]: Start of recursive call 489: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,155 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:14,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-06-05 05:33:14,156 INFO L550 ElimStorePlain]: Start of recursive call 490: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,256 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:14,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:14,258 INFO L550 ElimStorePlain]: Start of recursive call 491: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,363 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:14,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:14,365 INFO L550 ElimStorePlain]: Start of recursive call 492: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,478 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:14,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:14,479 INFO L550 ElimStorePlain]: Start of recursive call 493: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,582 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:14,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:14,584 INFO L550 ElimStorePlain]: Start of recursive call 494: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,688 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:14,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:14,689 INFO L550 ElimStorePlain]: Start of recursive call 495: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,792 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:14,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:14,793 INFO L550 ElimStorePlain]: Start of recursive call 496: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,897 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:14,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:14,899 INFO L550 ElimStorePlain]: Start of recursive call 497: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:14,991 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:14,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:14,993 INFO L550 ElimStorePlain]: Start of recursive call 498: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,098 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:15,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:15,099 INFO L550 ElimStorePlain]: Start of recursive call 499: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,210 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:15,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:33:15,212 INFO L550 ElimStorePlain]: Start of recursive call 500: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,320 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:15,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:15,322 INFO L550 ElimStorePlain]: Start of recursive call 501: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,431 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:15,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:15,433 INFO L550 ElimStorePlain]: Start of recursive call 502: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,540 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:15,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:15,541 INFO L550 ElimStorePlain]: Start of recursive call 503: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,636 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:15,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:15,637 INFO L550 ElimStorePlain]: Start of recursive call 504: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,743 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:15,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:15,744 INFO L550 ElimStorePlain]: Start of recursive call 505: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,851 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:15,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:15,853 INFO L550 ElimStorePlain]: Start of recursive call 506: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:15,951 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:15,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:15,953 INFO L550 ElimStorePlain]: Start of recursive call 507: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,073 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:16,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:16,075 INFO L550 ElimStorePlain]: Start of recursive call 508: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,184 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:16,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:16,186 INFO L550 ElimStorePlain]: Start of recursive call 509: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,283 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:16,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:16,284 INFO L550 ElimStorePlain]: Start of recursive call 510: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,394 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:16,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:16,396 INFO L550 ElimStorePlain]: Start of recursive call 511: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,507 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:16,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:16,509 INFO L550 ElimStorePlain]: Start of recursive call 512: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,619 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:16,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:16,621 INFO L550 ElimStorePlain]: Start of recursive call 513: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,730 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:16,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:16,732 INFO L550 ElimStorePlain]: Start of recursive call 514: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,842 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:16,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:16,843 INFO L550 ElimStorePlain]: Start of recursive call 515: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:16,943 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:16,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:16,944 INFO L550 ElimStorePlain]: Start of recursive call 516: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,044 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:17,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 52 [2021-06-05 05:33:17,045 INFO L550 ElimStorePlain]: Start of recursive call 517: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,157 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:17,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:17,159 INFO L550 ElimStorePlain]: Start of recursive call 518: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,260 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:17,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:17,261 INFO L550 ElimStorePlain]: Start of recursive call 519: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,374 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:17,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:17,375 INFO L550 ElimStorePlain]: Start of recursive call 520: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,488 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:17,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:17,489 INFO L550 ElimStorePlain]: Start of recursive call 521: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,602 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:17,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:17,604 INFO L550 ElimStorePlain]: Start of recursive call 522: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,706 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:17,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-06-05 05:33:17,707 INFO L550 ElimStorePlain]: Start of recursive call 523: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,828 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:17,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:17,830 INFO L550 ElimStorePlain]: Start of recursive call 524: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:17,946 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:17,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:17,947 INFO L550 ElimStorePlain]: Start of recursive call 525: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:18,062 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:18,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:18,063 INFO L550 ElimStorePlain]: Start of recursive call 526: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:18,166 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:18,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 57 [2021-06-05 05:33:18,167 INFO L550 ElimStorePlain]: Start of recursive call 527: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:18,274 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:18,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:18,275 INFO L550 ElimStorePlain]: Start of recursive call 528: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:18,397 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:18,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:18,399 INFO L550 ElimStorePlain]: Start of recursive call 529: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:18,524 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:18,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:18,525 INFO L550 ElimStorePlain]: Start of recursive call 530: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:18,642 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:18,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:18,644 INFO L550 ElimStorePlain]: Start of recursive call 531: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:18,767 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:18,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:18,768 INFO L550 ElimStorePlain]: Start of recursive call 532: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:18,877 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:18,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-06-05 05:33:18,879 INFO L550 ElimStorePlain]: Start of recursive call 533: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,000 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:19,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:19,002 INFO L550 ElimStorePlain]: Start of recursive call 534: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,108 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:19,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:19,110 INFO L550 ElimStorePlain]: Start of recursive call 535: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,217 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:19,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 57 [2021-06-05 05:33:19,218 INFO L550 ElimStorePlain]: Start of recursive call 536: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,338 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:19,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:19,339 INFO L550 ElimStorePlain]: Start of recursive call 537: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,461 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:19,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:33:19,463 INFO L550 ElimStorePlain]: Start of recursive call 538: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,582 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:19,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:19,584 INFO L550 ElimStorePlain]: Start of recursive call 539: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,703 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:19,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:19,705 INFO L550 ElimStorePlain]: Start of recursive call 540: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,824 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:19,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:19,826 INFO L550 ElimStorePlain]: Start of recursive call 541: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:19,933 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:19,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:19,934 INFO L550 ElimStorePlain]: Start of recursive call 542: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:20,054 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:20,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:20,055 INFO L550 ElimStorePlain]: Start of recursive call 543: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:20,176 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:20,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:20,177 INFO L550 ElimStorePlain]: Start of recursive call 544: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:20,297 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:20,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:20,299 INFO L550 ElimStorePlain]: Start of recursive call 545: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:20,425 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:20,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:20,426 INFO L550 ElimStorePlain]: Start of recursive call 546: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:20,551 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:20,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:20,552 INFO L550 ElimStorePlain]: Start of recursive call 547: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:20,663 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:20,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:33:20,665 INFO L550 ElimStorePlain]: Start of recursive call 548: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:20,781 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:20,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:20,782 INFO L550 ElimStorePlain]: Start of recursive call 549: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:20,913 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:20,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:20,915 INFO L550 ElimStorePlain]: Start of recursive call 550: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:21,043 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:21,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:21,045 INFO L550 ElimStorePlain]: Start of recursive call 551: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:21,158 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:21,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:33:21,159 INFO L550 ElimStorePlain]: Start of recursive call 552: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:21,282 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:21,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:21,284 INFO L550 ElimStorePlain]: Start of recursive call 553: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:21,408 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:21,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:21,410 INFO L550 ElimStorePlain]: Start of recursive call 554: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:21,534 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:21,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:21,535 INFO L550 ElimStorePlain]: Start of recursive call 555: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:21,664 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:21,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:33:21,666 INFO L550 ElimStorePlain]: Start of recursive call 556: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:21,792 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:21,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:21,794 INFO L550 ElimStorePlain]: Start of recursive call 557: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:21,920 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:21,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:21,922 INFO L550 ElimStorePlain]: Start of recursive call 558: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,048 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:22,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:22,050 INFO L550 ElimStorePlain]: Start of recursive call 559: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,163 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:22,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 05:33:22,165 INFO L550 ElimStorePlain]: Start of recursive call 560: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,278 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:22,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:33:22,279 INFO L550 ElimStorePlain]: Start of recursive call 561: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,406 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:22,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:22,479 INFO L550 ElimStorePlain]: Start of recursive call 562: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,543 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:22,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:22,544 INFO L550 ElimStorePlain]: Start of recursive call 563: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,610 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:22,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:22,611 INFO L550 ElimStorePlain]: Start of recursive call 564: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,676 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:22,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:22,678 INFO L550 ElimStorePlain]: Start of recursive call 565: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,733 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:22,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:22,735 INFO L550 ElimStorePlain]: Start of recursive call 566: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,800 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:22,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:22,802 INFO L550 ElimStorePlain]: Start of recursive call 567: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,873 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:22,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:22,875 INFO L550 ElimStorePlain]: Start of recursive call 568: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:22,947 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:22,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:22,949 INFO L550 ElimStorePlain]: Start of recursive call 569: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,017 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:23,018 INFO L550 ElimStorePlain]: Start of recursive call 570: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,087 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:23,090 INFO L550 ElimStorePlain]: Start of recursive call 571: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,158 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:23,160 INFO L550 ElimStorePlain]: Start of recursive call 572: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,228 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:23,229 INFO L550 ElimStorePlain]: Start of recursive call 573: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,299 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:23,300 INFO L550 ElimStorePlain]: Start of recursive call 574: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,370 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:23,371 INFO L550 ElimStorePlain]: Start of recursive call 575: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,430 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:23,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:23,432 INFO L550 ElimStorePlain]: Start of recursive call 576: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,502 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:23,504 INFO L550 ElimStorePlain]: Start of recursive call 577: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,574 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:23,576 INFO L550 ElimStorePlain]: Start of recursive call 578: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,647 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:23,648 INFO L550 ElimStorePlain]: Start of recursive call 579: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,709 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:23,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 05:33:23,710 INFO L550 ElimStorePlain]: Start of recursive call 580: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,782 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:23,784 INFO L550 ElimStorePlain]: Start of recursive call 581: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,855 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:23,856 INFO L550 ElimStorePlain]: Start of recursive call 582: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,929 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:23,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:23,931 INFO L550 ElimStorePlain]: Start of recursive call 583: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:23,992 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:23,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 62 [2021-06-05 05:33:23,994 INFO L550 ElimStorePlain]: Start of recursive call 584: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,066 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:24,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:24,068 INFO L550 ElimStorePlain]: Start of recursive call 585: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,131 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:24,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:24,132 INFO L550 ElimStorePlain]: Start of recursive call 586: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,207 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:24,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:24,209 INFO L550 ElimStorePlain]: Start of recursive call 587: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,283 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:24,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:24,285 INFO L550 ElimStorePlain]: Start of recursive call 588: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,348 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:24,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 05:33:24,350 INFO L550 ElimStorePlain]: Start of recursive call 589: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,430 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:24,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:24,432 INFO L550 ElimStorePlain]: Start of recursive call 590: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,497 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:24,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:24,498 INFO L550 ElimStorePlain]: Start of recursive call 591: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,574 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:24,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:24,575 INFO L550 ElimStorePlain]: Start of recursive call 592: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,641 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:24,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 62 [2021-06-05 05:33:24,642 INFO L550 ElimStorePlain]: Start of recursive call 593: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,719 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:24,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:24,721 INFO L550 ElimStorePlain]: Start of recursive call 594: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,787 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:24,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:24,789 INFO L550 ElimStorePlain]: Start of recursive call 595: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,868 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:24,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:24,870 INFO L550 ElimStorePlain]: Start of recursive call 596: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:24,937 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:24,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:24,938 INFO L550 ElimStorePlain]: Start of recursive call 597: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,016 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:25,018 INFO L550 ElimStorePlain]: Start of recursive call 598: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,097 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:25,098 INFO L550 ElimStorePlain]: Start of recursive call 599: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,177 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:25,178 INFO L550 ElimStorePlain]: Start of recursive call 600: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,246 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:25,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 57 [2021-06-05 05:33:25,247 INFO L550 ElimStorePlain]: Start of recursive call 601: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,315 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:25,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:25,317 INFO L550 ElimStorePlain]: Start of recursive call 602: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,397 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:25,398 INFO L550 ElimStorePlain]: Start of recursive call 603: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,478 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:25,480 INFO L550 ElimStorePlain]: Start of recursive call 604: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,560 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:25,561 INFO L550 ElimStorePlain]: Start of recursive call 605: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,641 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:25,643 INFO L550 ElimStorePlain]: Start of recursive call 606: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,724 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:25,726 INFO L550 ElimStorePlain]: Start of recursive call 607: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,796 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:25,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 05:33:25,798 INFO L550 ElimStorePlain]: Start of recursive call 608: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,879 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:25,881 INFO L550 ElimStorePlain]: Start of recursive call 609: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:25,963 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:25,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:25,965 INFO L550 ElimStorePlain]: Start of recursive call 610: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,047 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:26,048 INFO L550 ElimStorePlain]: Start of recursive call 611: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,133 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:26,134 INFO L550 ElimStorePlain]: Start of recursive call 612: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,219 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 62 [2021-06-05 05:33:26,221 INFO L550 ElimStorePlain]: Start of recursive call 613: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,304 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:26,306 INFO L550 ElimStorePlain]: Start of recursive call 614: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,389 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:26,392 INFO L550 ElimStorePlain]: Start of recursive call 615: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,475 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:26,477 INFO L550 ElimStorePlain]: Start of recursive call 616: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,550 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:26,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 05:33:26,551 INFO L550 ElimStorePlain]: Start of recursive call 617: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,635 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:26,636 INFO L550 ElimStorePlain]: Start of recursive call 618: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,721 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:26,722 INFO L550 ElimStorePlain]: Start of recursive call 619: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,797 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:26,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 58 [2021-06-05 05:33:26,798 INFO L550 ElimStorePlain]: Start of recursive call 620: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,873 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:26,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:26,875 INFO L550 ElimStorePlain]: Start of recursive call 621: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:26,959 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:26,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:26,961 INFO L550 ElimStorePlain]: Start of recursive call 622: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,046 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:27,049 INFO L550 ElimStorePlain]: Start of recursive call 623: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,134 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:27,136 INFO L550 ElimStorePlain]: Start of recursive call 624: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,222 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:27,223 INFO L550 ElimStorePlain]: Start of recursive call 625: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,310 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:27,312 INFO L550 ElimStorePlain]: Start of recursive call 626: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,398 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:27,400 INFO L550 ElimStorePlain]: Start of recursive call 627: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,487 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:27,489 INFO L550 ElimStorePlain]: Start of recursive call 628: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,576 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:27,577 INFO L550 ElimStorePlain]: Start of recursive call 629: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,665 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:27,667 INFO L550 ElimStorePlain]: Start of recursive call 630: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,754 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:27,755 INFO L550 ElimStorePlain]: Start of recursive call 631: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,843 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:27,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:27,845 INFO L550 ElimStorePlain]: Start of recursive call 632: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:27,924 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:27,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:27,925 INFO L550 ElimStorePlain]: Start of recursive call 633: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,013 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:28,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:28,014 INFO L550 ElimStorePlain]: Start of recursive call 634: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,092 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:28,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-06-05 05:33:28,094 INFO L550 ElimStorePlain]: Start of recursive call 635: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,171 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:28,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:28,173 INFO L550 ElimStorePlain]: Start of recursive call 636: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,263 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:28,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 05:33:28,265 INFO L550 ElimStorePlain]: Start of recursive call 637: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,354 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:28,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 05:33:28,356 INFO L550 ElimStorePlain]: Start of recursive call 638: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,447 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:28,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:28,448 INFO L550 ElimStorePlain]: Start of recursive call 639: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,538 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:28,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:28,539 INFO L550 ElimStorePlain]: Start of recursive call 640: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,619 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:28,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 59 [2021-06-05 05:33:28,620 INFO L550 ElimStorePlain]: Start of recursive call 641: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,700 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:28,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:28,701 INFO L550 ElimStorePlain]: Start of recursive call 642: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,793 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:28,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:28,795 INFO L550 ElimStorePlain]: Start of recursive call 643: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,886 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:28,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:28,887 INFO L550 ElimStorePlain]: Start of recursive call 644: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:28,978 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:28,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:28,979 INFO L550 ElimStorePlain]: Start of recursive call 645: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,070 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:29,072 INFO L550 ElimStorePlain]: Start of recursive call 646: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,163 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:29,164 INFO L550 ElimStorePlain]: Start of recursive call 647: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,255 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:29,257 INFO L550 ElimStorePlain]: Start of recursive call 648: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,337 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:29,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 58 [2021-06-05 05:33:29,338 INFO L550 ElimStorePlain]: Start of recursive call 649: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,430 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:29,431 INFO L550 ElimStorePlain]: Start of recursive call 650: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,522 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:29,524 INFO L550 ElimStorePlain]: Start of recursive call 651: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,616 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:29,618 INFO L550 ElimStorePlain]: Start of recursive call 652: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,710 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:29,712 INFO L550 ElimStorePlain]: Start of recursive call 653: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,805 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:29,807 INFO L550 ElimStorePlain]: Start of recursive call 654: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,899 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:29,901 INFO L550 ElimStorePlain]: Start of recursive call 655: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:29,997 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:29,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:33:29,998 INFO L550 ElimStorePlain]: Start of recursive call 656: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,091 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:30,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:30,093 INFO L550 ElimStorePlain]: Start of recursive call 657: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,186 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:30,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:30,188 INFO L550 ElimStorePlain]: Start of recursive call 658: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,270 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:30,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:33:30,272 INFO L550 ElimStorePlain]: Start of recursive call 659: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,366 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:30,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:30,368 INFO L550 ElimStorePlain]: Start of recursive call 660: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,450 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:30,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 163 treesize of output 56 [2021-06-05 05:33:30,452 INFO L550 ElimStorePlain]: Start of recursive call 661: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,545 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:30,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:30,547 INFO L550 ElimStorePlain]: Start of recursive call 662: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,641 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:30,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:30,643 INFO L550 ElimStorePlain]: Start of recursive call 663: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,737 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:30,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:30,739 INFO L550 ElimStorePlain]: Start of recursive call 664: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,834 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:30,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:30,836 INFO L550 ElimStorePlain]: Start of recursive call 665: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:30,931 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:30,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:30,932 INFO L550 ElimStorePlain]: Start of recursive call 666: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,027 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:31,028 INFO L550 ElimStorePlain]: Start of recursive call 667: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,112 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:31,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:31,114 INFO L550 ElimStorePlain]: Start of recursive call 668: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,209 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:31,210 INFO L550 ElimStorePlain]: Start of recursive call 669: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,307 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:31,309 INFO L550 ElimStorePlain]: Start of recursive call 670: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,404 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:31,406 INFO L550 ElimStorePlain]: Start of recursive call 671: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,502 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 05:33:31,503 INFO L550 ElimStorePlain]: Start of recursive call 672: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,601 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:31,603 INFO L550 ElimStorePlain]: Start of recursive call 673: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:31,701 INFO L550 ElimStorePlain]: Start of recursive call 674: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,798 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:31,799 INFO L550 ElimStorePlain]: Start of recursive call 675: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,896 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:31,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:31,898 INFO L550 ElimStorePlain]: Start of recursive call 676: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:31,984 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:31,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:31,985 INFO L550 ElimStorePlain]: Start of recursive call 677: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,082 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:32,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:32,084 INFO L550 ElimStorePlain]: Start of recursive call 678: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,181 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:32,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:32,183 INFO L550 ElimStorePlain]: Start of recursive call 679: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,269 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:32,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:32,270 INFO L550 ElimStorePlain]: Start of recursive call 680: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,356 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:32,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 05:33:32,358 INFO L550 ElimStorePlain]: Start of recursive call 681: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,455 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:32,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:32,457 INFO L550 ElimStorePlain]: Start of recursive call 682: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,554 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:32,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:32,556 INFO L550 ElimStorePlain]: Start of recursive call 683: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,642 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:32,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:32,644 INFO L550 ElimStorePlain]: Start of recursive call 684: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,742 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:32,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:32,743 INFO L550 ElimStorePlain]: Start of recursive call 685: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,832 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:32,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:32,833 INFO L550 ElimStorePlain]: Start of recursive call 686: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:32,933 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:32,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:32,935 INFO L550 ElimStorePlain]: Start of recursive call 687: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,021 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:33,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:33,023 INFO L550 ElimStorePlain]: Start of recursive call 688: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,121 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:33,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:33,123 INFO L550 ElimStorePlain]: Start of recursive call 689: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,210 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:33,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 188 treesize of output 63 [2021-06-05 05:33:33,212 INFO L550 ElimStorePlain]: Start of recursive call 690: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,333 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:33,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 05:33:33,356 INFO L550 ElimStorePlain]: Start of recursive call 691: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,462 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:33,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:33,463 INFO L550 ElimStorePlain]: Start of recursive call 692: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,566 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:33,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 61 [2021-06-05 05:33:33,568 INFO L550 ElimStorePlain]: Start of recursive call 693: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,671 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:33,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:33,673 INFO L550 ElimStorePlain]: Start of recursive call 694: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,772 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:33,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:33,774 INFO L550 ElimStorePlain]: Start of recursive call 695: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,861 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:33,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:33,863 INFO L550 ElimStorePlain]: Start of recursive call 696: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:33,963 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:33,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:33,965 INFO L550 ElimStorePlain]: Start of recursive call 697: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,064 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:34,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:34,066 INFO L550 ElimStorePlain]: Start of recursive call 698: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,165 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:34,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:34,167 INFO L550 ElimStorePlain]: Start of recursive call 699: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,265 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:34,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:34,267 INFO L550 ElimStorePlain]: Start of recursive call 700: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,367 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:34,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:34,368 INFO L550 ElimStorePlain]: Start of recursive call 701: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,467 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:34,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:34,469 INFO L550 ElimStorePlain]: Start of recursive call 702: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,558 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:34,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:34,559 INFO L550 ElimStorePlain]: Start of recursive call 703: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,659 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:34,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:34,661 INFO L550 ElimStorePlain]: Start of recursive call 704: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,750 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:34,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-06-05 05:33:34,751 INFO L550 ElimStorePlain]: Start of recursive call 705: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,851 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:34,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:34,853 INFO L550 ElimStorePlain]: Start of recursive call 706: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:34,953 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:34,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:34,954 INFO L550 ElimStorePlain]: Start of recursive call 707: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,053 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:35,055 INFO L550 ElimStorePlain]: Start of recursive call 708: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,156 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:35,157 INFO L550 ElimStorePlain]: Start of recursive call 709: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,264 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:35,266 INFO L550 ElimStorePlain]: Start of recursive call 710: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,315 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:35,316 INFO L550 ElimStorePlain]: Start of recursive call 711: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,365 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:35,367 INFO L550 ElimStorePlain]: Start of recursive call 712: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,405 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:35,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:35,407 INFO L550 ElimStorePlain]: Start of recursive call 713: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,447 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:35,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 53 [2021-06-05 05:33:35,449 INFO L550 ElimStorePlain]: Start of recursive call 714: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,499 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:35,501 INFO L550 ElimStorePlain]: Start of recursive call 715: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,542 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:35,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 138 treesize of output 51 [2021-06-05 05:33:35,543 INFO L550 ElimStorePlain]: Start of recursive call 716: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,594 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:35,596 INFO L550 ElimStorePlain]: Start of recursive call 717: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,647 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:35,648 INFO L550 ElimStorePlain]: Start of recursive call 718: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:35,701 INFO L550 ElimStorePlain]: Start of recursive call 719: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,752 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:35,754 INFO L550 ElimStorePlain]: Start of recursive call 720: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,805 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:35,806 INFO L550 ElimStorePlain]: Start of recursive call 721: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,848 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:35,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:33:35,850 INFO L550 ElimStorePlain]: Start of recursive call 722: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,892 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:35,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:35,893 INFO L550 ElimStorePlain]: Start of recursive call 723: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,946 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:35,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:35,948 INFO L550 ElimStorePlain]: Start of recursive call 724: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:35,990 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:35,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 56 [2021-06-05 05:33:35,992 INFO L550 ElimStorePlain]: Start of recursive call 725: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,044 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:36,046 INFO L550 ElimStorePlain]: Start of recursive call 726: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,099 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:36,100 INFO L550 ElimStorePlain]: Start of recursive call 727: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,153 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 185 treesize of output 68 [2021-06-05 05:33:36,155 INFO L550 ElimStorePlain]: Start of recursive call 728: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,198 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:36,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:36,199 INFO L550 ElimStorePlain]: Start of recursive call 729: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,252 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:36,254 INFO L550 ElimStorePlain]: Start of recursive call 730: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,297 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:36,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 05:33:36,299 INFO L550 ElimStorePlain]: Start of recursive call 731: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,342 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:36,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-06-05 05:33:36,344 INFO L550 ElimStorePlain]: Start of recursive call 732: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,398 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:36,400 INFO L550 ElimStorePlain]: Start of recursive call 733: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,454 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:36,455 INFO L550 ElimStorePlain]: Start of recursive call 734: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,509 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:36,511 INFO L550 ElimStorePlain]: Start of recursive call 735: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,565 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:36,566 INFO L550 ElimStorePlain]: Start of recursive call 736: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,610 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:36,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 195 treesize of output 62 [2021-06-05 05:33:36,612 INFO L550 ElimStorePlain]: Start of recursive call 737: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,666 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:36,667 INFO L550 ElimStorePlain]: Start of recursive call 738: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,721 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:36,724 INFO L550 ElimStorePlain]: Start of recursive call 739: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,780 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:36,782 INFO L550 ElimStorePlain]: Start of recursive call 740: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,856 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:36,858 INFO L550 ElimStorePlain]: Start of recursive call 741: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,915 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:36,919 INFO L550 ElimStorePlain]: Start of recursive call 742: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:36,974 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:36,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:36,976 INFO L550 ElimStorePlain]: Start of recursive call 743: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,031 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:37,042 INFO L550 ElimStorePlain]: Start of recursive call 744: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,098 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:37,099 INFO L550 ElimStorePlain]: Start of recursive call 745: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,156 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:37,157 INFO L550 ElimStorePlain]: Start of recursive call 746: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,214 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:37,215 INFO L550 ElimStorePlain]: Start of recursive call 747: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,272 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:37,274 INFO L550 ElimStorePlain]: Start of recursive call 748: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,330 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:37,332 INFO L550 ElimStorePlain]: Start of recursive call 749: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,389 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:37,390 INFO L550 ElimStorePlain]: Start of recursive call 750: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,447 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:37,448 INFO L550 ElimStorePlain]: Start of recursive call 751: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,505 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:37,506 INFO L550 ElimStorePlain]: Start of recursive call 752: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,564 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:37,565 INFO L550 ElimStorePlain]: Start of recursive call 753: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,622 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:37,624 INFO L550 ElimStorePlain]: Start of recursive call 754: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,681 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:37,683 INFO L550 ElimStorePlain]: Start of recursive call 755: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,730 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:37,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 60 [2021-06-05 05:33:37,732 INFO L550 ElimStorePlain]: Start of recursive call 756: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,780 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:37,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:37,781 INFO L550 ElimStorePlain]: Start of recursive call 757: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,839 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:37,840 INFO L550 ElimStorePlain]: Start of recursive call 758: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,888 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:37,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 05:33:37,890 INFO L550 ElimStorePlain]: Start of recursive call 759: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:37,959 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:37,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:37,961 INFO L550 ElimStorePlain]: Start of recursive call 760: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,019 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:38,020 INFO L550 ElimStorePlain]: Start of recursive call 761: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,069 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:38,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:38,070 INFO L550 ElimStorePlain]: Start of recursive call 762: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,128 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:38,130 INFO L550 ElimStorePlain]: Start of recursive call 763: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,188 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:38,190 INFO L550 ElimStorePlain]: Start of recursive call 764: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,249 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:38,251 INFO L550 ElimStorePlain]: Start of recursive call 765: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,313 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:38,314 INFO L550 ElimStorePlain]: Start of recursive call 766: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,373 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:38,375 INFO L550 ElimStorePlain]: Start of recursive call 767: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,424 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:38,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 61 [2021-06-05 05:33:38,426 INFO L550 ElimStorePlain]: Start of recursive call 768: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,475 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:38,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:38,476 INFO L550 ElimStorePlain]: Start of recursive call 769: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,526 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:38,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 05:33:38,527 INFO L550 ElimStorePlain]: Start of recursive call 770: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,586 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:38,588 INFO L550 ElimStorePlain]: Start of recursive call 771: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,638 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:38,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:38,639 INFO L550 ElimStorePlain]: Start of recursive call 772: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,700 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:38,702 INFO L550 ElimStorePlain]: Start of recursive call 773: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,752 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:38,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:38,754 INFO L550 ElimStorePlain]: Start of recursive call 774: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,803 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:38,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 55 [2021-06-05 05:33:38,805 INFO L550 ElimStorePlain]: Start of recursive call 775: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,865 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:38,866 INFO L550 ElimStorePlain]: Start of recursive call 776: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,926 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:38,928 INFO L550 ElimStorePlain]: Start of recursive call 777: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:38,988 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:38,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:38,990 INFO L550 ElimStorePlain]: Start of recursive call 778: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,041 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:39,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 53 [2021-06-05 05:33:39,042 INFO L550 ElimStorePlain]: Start of recursive call 779: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,093 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:39,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:39,095 INFO L550 ElimStorePlain]: Start of recursive call 780: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,146 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:39,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 57 [2021-06-05 05:33:39,148 INFO L550 ElimStorePlain]: Start of recursive call 781: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,208 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:39,210 INFO L550 ElimStorePlain]: Start of recursive call 782: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,270 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:39,272 INFO L550 ElimStorePlain]: Start of recursive call 783: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,332 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:39,334 INFO L550 ElimStorePlain]: Start of recursive call 784: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,395 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:39,396 INFO L550 ElimStorePlain]: Start of recursive call 785: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,457 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:39,458 INFO L550 ElimStorePlain]: Start of recursive call 786: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,518 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:39,520 INFO L550 ElimStorePlain]: Start of recursive call 787: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,571 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:39,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:39,572 INFO L550 ElimStorePlain]: Start of recursive call 788: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,623 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:39,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 62 [2021-06-05 05:33:39,624 INFO L550 ElimStorePlain]: Start of recursive call 789: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,685 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:33:39,687 INFO L550 ElimStorePlain]: Start of recursive call 790: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,758 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:39,759 INFO L550 ElimStorePlain]: Start of recursive call 791: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,820 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:39,822 INFO L550 ElimStorePlain]: Start of recursive call 792: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,874 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:39,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 05:33:39,875 INFO L550 ElimStorePlain]: Start of recursive call 793: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,937 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:39,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:39,938 INFO L550 ElimStorePlain]: Start of recursive call 794: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:39,999 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:40,001 INFO L550 ElimStorePlain]: Start of recursive call 795: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,053 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:40,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:40,055 INFO L550 ElimStorePlain]: Start of recursive call 796: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,116 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:40,118 INFO L550 ElimStorePlain]: Start of recursive call 797: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,179 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:40,181 INFO L550 ElimStorePlain]: Start of recursive call 798: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,243 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:40,245 INFO L550 ElimStorePlain]: Start of recursive call 799: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,296 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:40,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:40,298 INFO L550 ElimStorePlain]: Start of recursive call 800: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,358 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:40,360 INFO L550 ElimStorePlain]: Start of recursive call 801: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,420 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:40,421 INFO L550 ElimStorePlain]: Start of recursive call 802: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,472 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:40,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:40,473 INFO L550 ElimStorePlain]: Start of recursive call 803: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,533 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:40,535 INFO L550 ElimStorePlain]: Start of recursive call 804: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,596 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:40,597 INFO L550 ElimStorePlain]: Start of recursive call 805: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,658 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:40,659 INFO L550 ElimStorePlain]: Start of recursive call 806: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,719 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:40,721 INFO L550 ElimStorePlain]: Start of recursive call 807: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,781 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:40,783 INFO L550 ElimStorePlain]: Start of recursive call 808: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,843 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:40,845 INFO L550 ElimStorePlain]: Start of recursive call 809: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,905 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:40,906 INFO L550 ElimStorePlain]: Start of recursive call 810: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:40,966 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:40,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:40,968 INFO L550 ElimStorePlain]: Start of recursive call 811: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,028 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:41,030 INFO L550 ElimStorePlain]: Start of recursive call 812: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,093 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:41,094 INFO L550 ElimStorePlain]: Start of recursive call 813: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,155 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:41,156 INFO L550 ElimStorePlain]: Start of recursive call 814: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,216 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:41,218 INFO L550 ElimStorePlain]: Start of recursive call 815: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,268 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:41,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 57 [2021-06-05 05:33:41,270 INFO L550 ElimStorePlain]: Start of recursive call 816: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,330 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:41,332 INFO L550 ElimStorePlain]: Start of recursive call 817: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,392 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:41,393 INFO L550 ElimStorePlain]: Start of recursive call 818: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,453 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:41,455 INFO L550 ElimStorePlain]: Start of recursive call 819: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,517 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:41,519 INFO L550 ElimStorePlain]: Start of recursive call 820: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,586 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:41,587 INFO L550 ElimStorePlain]: Start of recursive call 821: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,638 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:41,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 55 [2021-06-05 05:33:41,639 INFO L550 ElimStorePlain]: Start of recursive call 822: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,699 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:41,701 INFO L550 ElimStorePlain]: Start of recursive call 823: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,761 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:41,763 INFO L550 ElimStorePlain]: Start of recursive call 824: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,813 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:41,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 05:33:41,814 INFO L550 ElimStorePlain]: Start of recursive call 825: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,881 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:41,883 INFO L550 ElimStorePlain]: Start of recursive call 826: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,933 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:41,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 178 treesize of output 59 [2021-06-05 05:33:41,935 INFO L550 ElimStorePlain]: Start of recursive call 827: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:41,995 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:41,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:41,997 INFO L550 ElimStorePlain]: Start of recursive call 828: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,056 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:42,058 INFO L550 ElimStorePlain]: Start of recursive call 829: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,117 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:42,119 INFO L550 ElimStorePlain]: Start of recursive call 830: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,178 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:42,180 INFO L550 ElimStorePlain]: Start of recursive call 831: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,230 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:42,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:42,231 INFO L550 ElimStorePlain]: Start of recursive call 832: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,291 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:42,293 INFO L550 ElimStorePlain]: Start of recursive call 833: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,343 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:42,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 59 [2021-06-05 05:33:42,345 INFO L550 ElimStorePlain]: Start of recursive call 834: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,405 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:42,407 INFO L550 ElimStorePlain]: Start of recursive call 835: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,466 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:42,468 INFO L550 ElimStorePlain]: Start of recursive call 836: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,543 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:42,545 INFO L550 ElimStorePlain]: Start of recursive call 837: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,605 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 145 treesize of output 60 [2021-06-05 05:33:42,607 INFO L550 ElimStorePlain]: Start of recursive call 838: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,658 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:42,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 153 treesize of output 54 [2021-06-05 05:33:42,659 INFO L550 ElimStorePlain]: Start of recursive call 839: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,709 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:42,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:33:42,710 INFO L550 ElimStorePlain]: Start of recursive call 840: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,769 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:33:42,771 INFO L550 ElimStorePlain]: Start of recursive call 841: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,830 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:42,831 INFO L550 ElimStorePlain]: Start of recursive call 842: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,892 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:42,894 INFO L550 ElimStorePlain]: Start of recursive call 843: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:42,953 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:42,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:42,954 INFO L550 ElimStorePlain]: Start of recursive call 844: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,012 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:43,014 INFO L550 ElimStorePlain]: Start of recursive call 845: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,065 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:43,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 183 treesize of output 60 [2021-06-05 05:33:43,067 INFO L550 ElimStorePlain]: Start of recursive call 846: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,126 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:43,127 INFO L550 ElimStorePlain]: Start of recursive call 847: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,177 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:43,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:43,179 INFO L550 ElimStorePlain]: Start of recursive call 848: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,237 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:43,239 INFO L550 ElimStorePlain]: Start of recursive call 849: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,288 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:43,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 173 treesize of output 58 [2021-06-05 05:33:43,290 INFO L550 ElimStorePlain]: Start of recursive call 850: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,340 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:43,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:43,341 INFO L550 ElimStorePlain]: Start of recursive call 851: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,399 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:43,401 INFO L550 ElimStorePlain]: Start of recursive call 852: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,460 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:43,464 INFO L550 ElimStorePlain]: Start of recursive call 853: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,522 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:43,523 INFO L550 ElimStorePlain]: Start of recursive call 854: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,581 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 67 [2021-06-05 05:33:43,583 INFO L550 ElimStorePlain]: Start of recursive call 855: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,640 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 62 [2021-06-05 05:33:43,642 INFO L550 ElimStorePlain]: Start of recursive call 856: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,690 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:43,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:43,694 INFO L550 ElimStorePlain]: Start of recursive call 857: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,753 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 66 [2021-06-05 05:33:43,755 INFO L550 ElimStorePlain]: Start of recursive call 858: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,813 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 67 [2021-06-05 05:33:43,815 INFO L550 ElimStorePlain]: Start of recursive call 859: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,871 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:43,873 INFO L550 ElimStorePlain]: Start of recursive call 860: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,929 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:43,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:43,930 INFO L550 ElimStorePlain]: Start of recursive call 861: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:43,977 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:43,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:43,978 INFO L550 ElimStorePlain]: Start of recursive call 862: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,034 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:44,035 INFO L550 ElimStorePlain]: Start of recursive call 863: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,091 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 63 [2021-06-05 05:33:44,092 INFO L550 ElimStorePlain]: Start of recursive call 864: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,147 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:44,149 INFO L550 ElimStorePlain]: Start of recursive call 865: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,195 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 190 treesize of output 61 [2021-06-05 05:33:44,196 INFO L550 ElimStorePlain]: Start of recursive call 866: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,243 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 170 treesize of output 57 [2021-06-05 05:33:44,244 INFO L550 ElimStorePlain]: Start of recursive call 867: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,290 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 54 [2021-06-05 05:33:44,291 INFO L550 ElimStorePlain]: Start of recursive call 868: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,346 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:44,347 INFO L550 ElimStorePlain]: Start of recursive call 869: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,402 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 180 treesize of output 69 [2021-06-05 05:33:44,403 INFO L550 ElimStorePlain]: Start of recursive call 870: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,457 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 66 [2021-06-05 05:33:44,459 INFO L550 ElimStorePlain]: Start of recursive call 871: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,504 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 56 [2021-06-05 05:33:44,506 INFO L550 ElimStorePlain]: Start of recursive call 872: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,551 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 52 [2021-06-05 05:33:44,552 INFO L550 ElimStorePlain]: Start of recursive call 873: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,596 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:44,598 INFO L550 ElimStorePlain]: Start of recursive call 874: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,642 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 60 [2021-06-05 05:33:44,643 INFO L550 ElimStorePlain]: Start of recursive call 875: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,695 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:44,697 INFO L550 ElimStorePlain]: Start of recursive call 876: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,748 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:44,750 INFO L550 ElimStorePlain]: Start of recursive call 877: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,792 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 160 treesize of output 55 [2021-06-05 05:33:44,793 INFO L550 ElimStorePlain]: Start of recursive call 878: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,843 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:44,844 INFO L550 ElimStorePlain]: Start of recursive call 879: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,897 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 65 [2021-06-05 05:33:44,899 INFO L550 ElimStorePlain]: Start of recursive call 880: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,948 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:44,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 160 treesize of output 63 [2021-06-05 05:33:44,950 INFO L550 ElimStorePlain]: Start of recursive call 881: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:44,990 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:44,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 143 treesize of output 52 [2021-06-05 05:33:44,992 INFO L550 ElimStorePlain]: Start of recursive call 882: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,040 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:45,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 155 treesize of output 64 [2021-06-05 05:33:45,042 INFO L550 ElimStorePlain]: Start of recursive call 883: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,089 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:45,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 170 treesize of output 65 [2021-06-05 05:33:45,091 INFO L550 ElimStorePlain]: Start of recursive call 884: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,129 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:45,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 57 [2021-06-05 05:33:45,131 INFO L550 ElimStorePlain]: Start of recursive call 885: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,178 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:45,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 68 [2021-06-05 05:33:45,179 INFO L550 ElimStorePlain]: Start of recursive call 886: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,224 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:45,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 140 treesize of output 59 [2021-06-05 05:33:45,226 INFO L550 ElimStorePlain]: Start of recursive call 887: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,264 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-06-05 05:33:45,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 64 [2021-06-05 05:33:45,266 INFO L550 ElimStorePlain]: Start of recursive call 888: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,272 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:33:45,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 175 treesize of output 58 [2021-06-05 05:33:45,274 INFO L550 ElimStorePlain]: Start of recursive call 889: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,288 INFO L628 ElimStorePlain]: treesize reduction 63, result has 4.5 percent of original size [2021-06-05 05:33:45,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:33:45,288 INFO L247 ElimStorePlain]: Needed 889 recursive calls to eliminate 2 variables, input treesize:146569, output treesize:3 [2021-06-05 05:33:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:33:45,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658784578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:33:45,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:33:45,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 05:33:45,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266965392] [2021-06-05 05:33:45,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:33:45,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:33:45,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:33:45,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:33:45,296 INFO L87 Difference]: Start difference. First operand 54544 states and 139665 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:33:45,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:33:45,886 INFO L93 Difference]: Finished difference Result 57076 states and 146192 transitions. [2021-06-05 05:33:45,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-05 05:33:45,886 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 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 42 [2021-06-05 05:33:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:33:45,985 INFO L225 Difference]: With dead ends: 57076 [2021-06-05 05:33:45,985 INFO L226 Difference]: Without dead ends: 57046 [2021-06-05 05:33:45,985 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 4786.0ms TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-06-05 05:33:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57046 states. [2021-06-05 05:33:46,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57046 to 55615. [2021-06-05 05:33:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55615 states, 55614 states have (on average 2.5645700722839573) internal successors, (142626), 55614 states have internal predecessors, (142626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:33:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55615 states to 55615 states and 142626 transitions. [2021-06-05 05:33:47,041 INFO L78 Accepts]: Start accepts. Automaton has 55615 states and 142626 transitions. Word has length 42 [2021-06-05 05:33:47,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:33:47,041 INFO L482 AbstractCegarLoop]: Abstraction has 55615 states and 142626 transitions. [2021-06-05 05:33:47,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:33:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 55615 states and 142626 transitions. [2021-06-05 05:33:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 05:33:47,073 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:33:47,073 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:33:47,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 142 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6584 [2021-06-05 05:33:47,274 INFO L430 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:33:47,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:33:47,280 INFO L82 PathProgramCache]: Analyzing trace with hash -689351820, now seen corresponding path program 142 times [2021-06-05 05:33:47,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:33:47,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383256972] [2021-06-05 05:33:47,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:33:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:33:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:33:47,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:33:47,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383256972] [2021-06-05 05:33:47,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383256972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:33:47,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053743273] [2021-06-05 05:33:47,330 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 143 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 143 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:33:47,357 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:33:47,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:33:47,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-05 05:33:47,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:33:47,578 INFO L354 Elim1Store]: treesize reduction 72, result has 60.2 percent of original size [2021-06-05 05:33:47,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 177 treesize of output 163 [2021-06-05 05:33:47,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:33:47,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:33:47,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:33:47,632 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:177, output treesize:432 [2021-06-05 05:33:49,391 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:33:51,428 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-06-05 05:33:52,952 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:33:53,979 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:33:55,353 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:34:13,104 WARN L205 SmtUtils]: Spent 11.54 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-06-05 05:34:14,185 INFO L446 ElimStorePlain]: Different costs {15=[v_prenex_163], 21=[v_prenex_160, v_prenex_161, v_prenex_162, f, v_prenex_164, v_prenex_159]} [2021-06-05 05:34:14,194 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-05 05:34:14,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 239 treesize of output 58 [2021-06-05 05:34:14,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:34:14,364 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 108 [2021-06-05 05:34:14,364 INFO L628 ElimStorePlain]: treesize reduction 921, result has 33.5 percent of original size [2021-06-05 05:34:14,429 INFO L354 Elim1Store]: treesize reduction 126, result has 25.4 percent of original size [2021-06-05 05:34:14,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 56 treesize of output 71 [2021-06-05 05:34:14,431 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:34:14,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:34:14,577 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-06-05 05:34:14,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 109 treesize of output 130 [2021-06-05 05:34:14,580 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:34:14,617 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:34:14,656 INFO L354 Elim1Store]: treesize reduction 106, result has 12.4 percent of original size [2021-06-05 05:34:14,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 46 [2021-06-05 05:34:14,658 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:34:14,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:34:14,739 INFO L354 Elim1Store]: treesize reduction 139, result has 17.8 percent of original size [2021-06-05 05:34:14,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 50 treesize of output 58 [2021-06-05 05:34:14,741 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:34:14,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:34:14,839 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-06-05 05:34:14,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 80 treesize of output 88 [2021-06-05 05:34:14,841 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 05:34:14,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:34:14,891 INFO L354 Elim1Store]: treesize reduction 111, result has 8.3 percent of original size [2021-06-05 05:34:14,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 83 treesize of output 41 [2021-06-05 05:34:14,892 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 05:34:14,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:34:14,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:34:14,915 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:1618, output treesize:3 [2021-06-05 05:34:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:34:14,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053743273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:34:14,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:34:14,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 05:34:14,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118041142] [2021-06-05 05:34:14,923 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:34:14,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:34:14,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:34:14,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:34:14,923 INFO L87 Difference]: Start difference. First operand 55615 states and 142626 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:34:16,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:34:16,031 INFO L93 Difference]: Finished difference Result 58151 states and 148884 transitions. [2021-06-05 05:34:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-05 05:34:16,031 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 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 42 [2021-06-05 05:34:16,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:34:16,129 INFO L225 Difference]: With dead ends: 58151 [2021-06-05 05:34:16,129 INFO L226 Difference]: Without dead ends: 58110 [2021-06-05 05:34:16,129 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 18579.6ms TimeCoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-05 05:34:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58110 states. [2021-06-05 05:34:17,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58110 to 56750. [2021-06-05 05:34:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56750 states, 56749 states have (on average 2.5700364764136814) internal successors, (145847), 56749 states have internal predecessors, (145847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:34:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56750 states to 56750 states and 145847 transitions. [2021-06-05 05:34:17,188 INFO L78 Accepts]: Start accepts. Automaton has 56750 states and 145847 transitions. Word has length 42 [2021-06-05 05:34:17,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:34:17,189 INFO L482 AbstractCegarLoop]: Abstraction has 56750 states and 145847 transitions. [2021-06-05 05:34:17,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:34:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 56750 states and 145847 transitions. [2021-06-05 05:34:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-06-05 05:34:17,223 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:34:17,223 INFO L521 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:34:17,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 143 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13668 [2021-06-05 05:34:17,424 INFO L430 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:34:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:34:17,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1940096396, now seen corresponding path program 143 times [2021-06-05 05:34:17,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:34:17,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856530611] [2021-06-05 05:34:17,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:34:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:34:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:34:17,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:34:17,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856530611] [2021-06-05 05:34:17,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856530611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:34:17,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108301395] [2021-06-05 05:34:17,474 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 144 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 144 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:34:17,501 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-05 05:34:17,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:34:17,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-05 05:34:17,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:34:17,831 INFO L354 Elim1Store]: treesize reduction 128, result has 43.1 percent of original size [2021-06-05 05:34:17,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 206 treesize of output 181 [2021-06-05 05:34:18,561 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-06-05 05:34:21,103 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:34:21,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:34:22,676 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 05:34:22,676 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:206, output treesize:433 [2021-06-05 05:34:25,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:34:27,680 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-06-05 05:34:29,119 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:34:30,124 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:34:31,494 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:34:43,344 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2021-06-05 05:34:45,262 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2021-06-05 05:34:46,714 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:34:47,718 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:34:49,136 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1196 [2021-06-05 05:35:09,941 WARN L205 SmtUtils]: Spent 13.00 s on a formula simplification. DAG size of input: 1196 DAG size of output: 58 [2021-06-05 05:35:10,436 INFO L354 Elim1Store]: treesize reduction 166, result has 1.8 percent of original size [2021-06-05 05:35:10,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 227 treesize of output 72 [2021-06-05 05:35:10,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:35:10,628 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 109 [2021-06-05 05:35:10,628 INFO L628 ElimStorePlain]: treesize reduction 907, result has 34.0 percent of original size [2021-06-05 05:35:10,697 INFO L354 Elim1Store]: treesize reduction 126, result has 25.4 percent of original size [2021-06-05 05:35:10,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 58 treesize of output 74 [2021-06-05 05:35:10,699 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 05:35:10,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:35:10,829 INFO L354 Elim1Store]: treesize reduction 113, result has 33.1 percent of original size [2021-06-05 05:35:10,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 91 [2021-06-05 05:35:10,832 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 05:35:10,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:35:10,917 INFO L354 Elim1Store]: treesize reduction 156, result has 7.7 percent of original size [2021-06-05 05:35:10,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 91 treesize of output 47 [2021-06-05 05:35:10,919 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 05:35:10,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:35:11,013 INFO L354 Elim1Store]: treesize reduction 139, result has 17.8 percent of original size [2021-06-05 05:35:11,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 61 [2021-06-05 05:35:11,015 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 05:35:11,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:35:11,093 INFO L354 Elim1Store]: treesize reduction 153, result has 9.5 percent of original size [2021-06-05 05:35:11,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 71 treesize of output 46 [2021-06-05 05:35:11,095 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 05:35:11,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:35:11,232 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 50 [2021-06-05 05:35:11,233 INFO L354 Elim1Store]: treesize reduction 84, result has 50.3 percent of original size [2021-06-05 05:35:11,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 133 [2021-06-05 05:35:11,237 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 05:35:11,247 INFO L628 ElimStorePlain]: treesize reduction 48, result has 5.9 percent of original size [2021-06-05 05:35:11,248 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:35:11,248 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:1590, output treesize:3 [2021-06-05 05:35:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 05:35:11,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108301395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:11,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:11,256 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2021-06-05 05:35:11,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257776720] [2021-06-05 05:35:11,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 05:35:11,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:11,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 05:35:11,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=447, Unknown=1, NotChecked=0, Total=506 [2021-06-05 05:35:11,257 INFO L87 Difference]: Start difference. First operand 56750 states and 145847 transitions. Second operand has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:11,641 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-06-05 05:35:11,851 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 232 [2021-06-05 05:35:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:12,173 INFO L93 Difference]: Finished difference Result 58133 states and 149157 transitions. [2021-06-05 05:35:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 05:35:12,174 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 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 42 [2021-06-05 05:35:12,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:12,271 INFO L225 Difference]: With dead ends: 58133 [2021-06-05 05:35:12,272 INFO L226 Difference]: Without dead ends: 58126 [2021-06-05 05:35:12,272 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 32033.3ms TimeCoverageRelationStatistics Valid=73, Invalid=576, Unknown=1, NotChecked=0, Total=650 [2021-06-05 05:35:12,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58126 states. [2021-06-05 05:35:13,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58126 to 57370. [2021-06-05 05:35:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57370 states, 57369 states have (on average 2.572748348411163) internal successors, (147596), 57369 states have internal predecessors, (147596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57370 states to 57370 states and 147596 transitions. [2021-06-05 05:35:13,211 INFO L78 Accepts]: Start accepts. Automaton has 57370 states and 147596 transitions. Word has length 42 [2021-06-05 05:35:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:13,211 INFO L482 AbstractCegarLoop]: Abstraction has 57370 states and 147596 transitions. [2021-06-05 05:35:13,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 57370 states and 147596 transitions. [2021-06-05 05:35:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:13,248 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:13,248 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:13,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 144 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14249 [2021-06-05 05:35:13,453 INFO L430 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:13,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:13,453 INFO L82 PathProgramCache]: Analyzing trace with hash -2129488650, now seen corresponding path program 144 times [2021-06-05 05:35:13,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:13,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795460812] [2021-06-05 05:35:13,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:13,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:13,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795460812] [2021-06-05 05:35:13,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795460812] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:13,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885027195] [2021-06-05 05:35:13,663 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 145 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 145 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:13,695 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-05 05:35:13,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:35:13,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:13,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:14,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885027195] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:14,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:14,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-06-05 05:35:14,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780275218] [2021-06-05 05:35:14,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-05 05:35:14,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:14,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-05 05:35:14,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1143, Unknown=0, NotChecked=0, Total=1406 [2021-06-05 05:35:14,049 INFO L87 Difference]: Start difference. First operand 57370 states and 147596 transitions. Second operand has 38 states, 38 states have (on average 2.1578947368421053) internal successors, (82), 37 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:17,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:17,132 INFO L93 Difference]: Finished difference Result 61578 states and 156735 transitions. [2021-06-05 05:35:17,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-05 05:35:17,133 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 2.1578947368421053) internal successors, (82), 37 states have internal predecessors, (82), 0 states have call successors, (0), 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 44 [2021-06-05 05:35:17,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:17,224 INFO L225 Difference]: With dead ends: 61578 [2021-06-05 05:35:17,225 INFO L226 Difference]: Without dead ends: 61578 [2021-06-05 05:35:17,226 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5718 ImplicationChecksByTransitivity, 2671.4ms TimeCoverageRelationStatistics Valid=4657, Invalid=13165, Unknown=0, NotChecked=0, Total=17822 [2021-06-05 05:35:17,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61578 states. [2021-06-05 05:35:17,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61578 to 54115. [2021-06-05 05:35:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54115 states, 54114 states have (on average 2.5670066895812544) internal successors, (138911), 54114 states have internal predecessors, (138911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54115 states to 54115 states and 138911 transitions. [2021-06-05 05:35:18,165 INFO L78 Accepts]: Start accepts. Automaton has 54115 states and 138911 transitions. Word has length 44 [2021-06-05 05:35:18,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:18,165 INFO L482 AbstractCegarLoop]: Abstraction has 54115 states and 138911 transitions. [2021-06-05 05:35:18,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.1578947368421053) internal successors, (82), 37 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:18,165 INFO L276 IsEmpty]: Start isEmpty. Operand 54115 states and 138911 transitions. [2021-06-05 05:35:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:18,201 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:18,201 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:18,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 145 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17702 [2021-06-05 05:35:18,402 INFO L430 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:18,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:18,402 INFO L82 PathProgramCache]: Analyzing trace with hash 768782642, now seen corresponding path program 145 times [2021-06-05 05:35:18,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:18,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843739828] [2021-06-05 05:35:18,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:18,570 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:18,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843739828] [2021-06-05 05:35:18,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843739828] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:18,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984973555] [2021-06-05 05:35:18,571 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 146 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 146 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:18,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:18,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:18,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984973555] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:18,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:18,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-05 05:35:18,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699198094] [2021-06-05 05:35:18,980 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 05:35:18,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:18,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 05:35:18,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 05:35:18,981 INFO L87 Difference]: Start difference. First operand 54115 states and 138911 transitions. Second operand has 37 states, 37 states have (on average 2.1621621621621623) internal successors, (80), 36 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:23,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:23,780 INFO L93 Difference]: Finished difference Result 71421 states and 180739 transitions. [2021-06-05 05:35:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-05 05:35:23,780 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.1621621621621623) internal successors, (80), 36 states have internal predecessors, (80), 0 states have call successors, (0), 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 44 [2021-06-05 05:35:23,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:23,897 INFO L225 Difference]: With dead ends: 71421 [2021-06-05 05:35:23,897 INFO L226 Difference]: Without dead ends: 71182 [2021-06-05 05:35:23,899 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12672 ImplicationChecksByTransitivity, 4395.9ms TimeCoverageRelationStatistics Valid=7124, Invalid=28032, Unknown=0, NotChecked=0, Total=35156 [2021-06-05 05:35:23,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71182 states. [2021-06-05 05:35:24,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71182 to 55547. [2021-06-05 05:35:25,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55547 states, 55546 states have (on average 2.5671335469700787) internal successors, (142594), 55546 states have internal predecessors, (142594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55547 states to 55547 states and 142594 transitions. [2021-06-05 05:35:25,162 INFO L78 Accepts]: Start accepts. Automaton has 55547 states and 142594 transitions. Word has length 44 [2021-06-05 05:35:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:25,162 INFO L482 AbstractCegarLoop]: Abstraction has 55547 states and 142594 transitions. [2021-06-05 05:35:25,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.1621621621621623) internal successors, (80), 36 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 55547 states and 142594 transitions. [2021-06-05 05:35:25,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:25,198 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:25,198 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:25,399 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17703,146 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:25,399 INFO L430 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:25,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:25,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1205657702, now seen corresponding path program 146 times [2021-06-05 05:35:25,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:25,399 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174008186] [2021-06-05 05:35:25,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:25,493 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:25,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:25,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174008186] [2021-06-05 05:35:25,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174008186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:25,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575560875] [2021-06-05 05:35:25,493 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 147 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 147 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:25,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:35:25,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:35:25,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:25,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:25,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575560875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:25,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:25,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-06-05 05:35:25,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284556062] [2021-06-05 05:35:25,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:35:25,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:25,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:35:25,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:35:25,841 INFO L87 Difference]: Start difference. First operand 55547 states and 142594 transitions. Second operand has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:29,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:29,813 INFO L93 Difference]: Finished difference Result 94822 states and 241988 transitions. [2021-06-05 05:35:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-06-05 05:35:29,813 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:35:29,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:29,967 INFO L225 Difference]: With dead ends: 94822 [2021-06-05 05:35:29,967 INFO L226 Difference]: Without dead ends: 94798 [2021-06-05 05:35:29,970 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11051 ImplicationChecksByTransitivity, 3251.9ms TimeCoverageRelationStatistics Valid=7112, Invalid=20610, Unknown=0, NotChecked=0, Total=27722 [2021-06-05 05:35:30,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94798 states. [2021-06-05 05:35:31,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94798 to 72019. [2021-06-05 05:35:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72019 states, 72018 states have (on average 2.5672054208670056) internal successors, (184885), 72018 states have internal predecessors, (184885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72019 states to 72019 states and 184885 transitions. [2021-06-05 05:35:31,411 INFO L78 Accepts]: Start accepts. Automaton has 72019 states and 184885 transitions. Word has length 44 [2021-06-05 05:35:31,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:31,411 INFO L482 AbstractCegarLoop]: Abstraction has 72019 states and 184885 transitions. [2021-06-05 05:35:31,411 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 72019 states and 184885 transitions. [2021-06-05 05:35:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:31,448 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:31,448 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:31,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17704,147 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:31,649 INFO L430 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:31,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1705411512, now seen corresponding path program 147 times [2021-06-05 05:35:31,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:31,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439074908] [2021-06-05 05:35:31,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:31,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:31,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439074908] [2021-06-05 05:35:31,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439074908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:31,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912294182] [2021-06-05 05:35:31,739 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 148 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 148 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:31,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-05 05:35:31,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:35:31,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:31,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:32,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912294182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:32,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:32,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-06-05 05:35:32,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270147389] [2021-06-05 05:35:32,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:35:32,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:32,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:35:32,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:35:32,111 INFO L87 Difference]: Start difference. First operand 72019 states and 184885 transitions. Second operand has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:34,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:34,685 INFO L93 Difference]: Finished difference Result 73486 states and 187932 transitions. [2021-06-05 05:35:34,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-05 05:35:34,685 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:35:34,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:34,814 INFO L225 Difference]: With dead ends: 73486 [2021-06-05 05:35:34,814 INFO L226 Difference]: Without dead ends: 73482 [2021-06-05 05:35:34,817 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5767 ImplicationChecksByTransitivity, 2231.3ms TimeCoverageRelationStatistics Valid=3791, Invalid=12211, Unknown=0, NotChecked=0, Total=16002 [2021-06-05 05:35:34,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73482 states. [2021-06-05 05:35:36,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73482 to 72019. [2021-06-05 05:35:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72019 states, 72018 states have (on average 2.5667610875059013) internal successors, (184853), 72018 states have internal predecessors, (184853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:36,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72019 states to 72019 states and 184853 transitions. [2021-06-05 05:35:36,368 INFO L78 Accepts]: Start accepts. Automaton has 72019 states and 184853 transitions. Word has length 44 [2021-06-05 05:35:36,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:36,368 INFO L482 AbstractCegarLoop]: Abstraction has 72019 states and 184853 transitions. [2021-06-05 05:35:36,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:36,368 INFO L276 IsEmpty]: Start isEmpty. Operand 72019 states and 184853 transitions. [2021-06-05 05:35:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:36,409 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:36,409 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:36,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17705,148 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:36,625 INFO L430 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:36,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:36,626 INFO L82 PathProgramCache]: Analyzing trace with hash 823415346, now seen corresponding path program 148 times [2021-06-05 05:35:36,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:36,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040842993] [2021-06-05 05:35:36,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:35:36,708 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:36,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040842993] [2021-06-05 05:35:36,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040842993] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:36,708 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406243709] [2021-06-05 05:35:36,708 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 149 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 149 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:36,735 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:35:36,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:35:36,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:36,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:37,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406243709] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:37,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:37,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-06-05 05:35:37,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073503541] [2021-06-05 05:35:37,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:35:37,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:37,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:35:37,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:35:37,131 INFO L87 Difference]: Start difference. First operand 72019 states and 184853 transitions. Second operand has 30 states, 30 states have (on average 2.6666666666666665) internal successors, (80), 29 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:39,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:39,576 INFO L93 Difference]: Finished difference Result 89850 states and 230059 transitions. [2021-06-05 05:35:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-06-05 05:35:39,578 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.6666666666666665) internal successors, (80), 29 states have internal predecessors, (80), 0 states have call successors, (0), 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 44 [2021-06-05 05:35:39,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:39,736 INFO L225 Difference]: With dead ends: 89850 [2021-06-05 05:35:39,736 INFO L226 Difference]: Without dead ends: 89823 [2021-06-05 05:35:39,737 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3652 ImplicationChecksByTransitivity, 1883.6ms TimeCoverageRelationStatistics Valid=2745, Invalid=8385, Unknown=0, NotChecked=0, Total=11130 [2021-06-05 05:35:39,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89823 states. [2021-06-05 05:35:40,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89823 to 71875. [2021-06-05 05:35:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71875 states, 71874 states have (on average 2.574004507888805) internal successors, (185004), 71874 states have internal predecessors, (185004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71875 states to 71875 states and 185004 transitions. [2021-06-05 05:35:41,196 INFO L78 Accepts]: Start accepts. Automaton has 71875 states and 185004 transitions. Word has length 44 [2021-06-05 05:35:41,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:41,196 INFO L482 AbstractCegarLoop]: Abstraction has 71875 states and 185004 transitions. [2021-06-05 05:35:41,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.6666666666666665) internal successors, (80), 29 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:41,196 INFO L276 IsEmpty]: Start isEmpty. Operand 71875 states and 185004 transitions. [2021-06-05 05:35:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:41,233 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:41,233 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:41,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17706,149 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:41,434 INFO L430 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:41,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:41,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1963210434, now seen corresponding path program 149 times [2021-06-05 05:35:41,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:41,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637241030] [2021-06-05 05:35:41,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:41,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:41,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637241030] [2021-06-05 05:35:41,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637241030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:41,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132159492] [2021-06-05 05:35:41,555 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 150 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 150 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:41,588 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-05 05:35:41,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:35:41,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:41,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:41,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132159492] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:41,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:41,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-06-05 05:35:41,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608852512] [2021-06-05 05:35:41,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 05:35:41,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:41,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 05:35:41,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:35:41,951 INFO L87 Difference]: Start difference. First operand 71875 states and 185004 transitions. Second operand has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:44,938 INFO L93 Difference]: Finished difference Result 76106 states and 194599 transitions. [2021-06-05 05:35:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-05 05:35:44,938 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:35:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:45,044 INFO L225 Difference]: With dead ends: 76106 [2021-06-05 05:35:45,044 INFO L226 Difference]: Without dead ends: 76084 [2021-06-05 05:35:45,044 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5971 ImplicationChecksByTransitivity, 2320.7ms TimeCoverageRelationStatistics Valid=3872, Invalid=12640, Unknown=0, NotChecked=0, Total=16512 [2021-06-05 05:35:45,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76084 states. [2021-06-05 05:35:46,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76084 to 73137. [2021-06-05 05:35:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73137 states, 73136 states have (on average 2.575434806388099) internal successors, (188357), 73136 states have internal predecessors, (188357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73137 states to 73137 states and 188357 transitions. [2021-06-05 05:35:46,455 INFO L78 Accepts]: Start accepts. Automaton has 73137 states and 188357 transitions. Word has length 44 [2021-06-05 05:35:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:46,455 INFO L482 AbstractCegarLoop]: Abstraction has 73137 states and 188357 transitions. [2021-06-05 05:35:46,455 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 73137 states and 188357 transitions. [2021-06-05 05:35:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:46,496 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:46,496 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:46,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 150 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17707 [2021-06-05 05:35:46,697 INFO L430 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:46,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:46,697 INFO L82 PathProgramCache]: Analyzing trace with hash -637321666, now seen corresponding path program 150 times [2021-06-05 05:35:46,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:46,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540369477] [2021-06-05 05:35:46,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:46,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:46,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540369477] [2021-06-05 05:35:46,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540369477] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:46,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797684944] [2021-06-05 05:35:46,790 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 151 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 151 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:46,820 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-06-05 05:35:46,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:35:46,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:46,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:47,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797684944] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:47,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:47,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-06-05 05:35:47,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20666670] [2021-06-05 05:35:47,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 05:35:47,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:47,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 05:35:47,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2021-06-05 05:35:47,138 INFO L87 Difference]: Start difference. First operand 73137 states and 188357 transitions. Second operand has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:47,339 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2021-06-05 05:35:50,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:50,119 INFO L93 Difference]: Finished difference Result 78532 states and 200306 transitions. [2021-06-05 05:35:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-05 05:35:50,119 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:35:50,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:50,240 INFO L225 Difference]: With dead ends: 78532 [2021-06-05 05:35:50,240 INFO L226 Difference]: Without dead ends: 78486 [2021-06-05 05:35:50,242 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6281 ImplicationChecksByTransitivity, 2491.8ms TimeCoverageRelationStatistics Valid=3964, Invalid=13066, Unknown=0, NotChecked=0, Total=17030 [2021-06-05 05:35:50,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78486 states. [2021-06-05 05:35:51,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78486 to 73094. [2021-06-05 05:35:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73094 states, 73093 states have (on average 2.579768240460783) internal successors, (188563), 73093 states have internal predecessors, (188563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73094 states to 73094 states and 188563 transitions. [2021-06-05 05:35:51,728 INFO L78 Accepts]: Start accepts. Automaton has 73094 states and 188563 transitions. Word has length 44 [2021-06-05 05:35:51,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:51,728 INFO L482 AbstractCegarLoop]: Abstraction has 73094 states and 188563 transitions. [2021-06-05 05:35:51,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 73094 states and 188563 transitions. [2021-06-05 05:35:51,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:51,767 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:51,767 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:51,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17708,151 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:51,977 INFO L430 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:51,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:51,977 INFO L82 PathProgramCache]: Analyzing trace with hash -77703494, now seen corresponding path program 151 times [2021-06-05 05:35:51,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:51,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889205086] [2021-06-05 05:35:51,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:52,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:52,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889205086] [2021-06-05 05:35:52,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889205086] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:52,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734619129] [2021-06-05 05:35:52,075 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 152 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 152 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:52,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:52,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:52,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734619129] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:52,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:52,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-05 05:35:52,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016634933] [2021-06-05 05:35:52,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 05:35:52,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:52,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 05:35:52,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 05:35:52,449 INFO L87 Difference]: Start difference. First operand 73094 states and 188563 transitions. Second operand has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:55,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:35:55,319 INFO L93 Difference]: Finished difference Result 79388 states and 202095 transitions. [2021-06-05 05:35:55,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-06-05 05:35:55,319 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:35:55,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:35:55,430 INFO L225 Difference]: With dead ends: 79388 [2021-06-05 05:35:55,430 INFO L226 Difference]: Without dead ends: 79324 [2021-06-05 05:35:55,431 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6570 ImplicationChecksByTransitivity, 2365.9ms TimeCoverageRelationStatistics Valid=4066, Invalid=13490, Unknown=0, NotChecked=0, Total=17556 [2021-06-05 05:35:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79324 states. [2021-06-05 05:35:56,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79324 to 70876. [2021-06-05 05:35:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70876 states, 70875 states have (on average 2.586031746031746) internal successors, (183285), 70875 states have internal predecessors, (183285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70876 states to 70876 states and 183285 transitions. [2021-06-05 05:35:56,809 INFO L78 Accepts]: Start accepts. Automaton has 70876 states and 183285 transitions. Word has length 44 [2021-06-05 05:35:56,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:35:56,809 INFO L482 AbstractCegarLoop]: Abstraction has 70876 states and 183285 transitions. [2021-06-05 05:35:56,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:35:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 70876 states and 183285 transitions. [2021-06-05 05:35:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:35:57,019 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:35:57,019 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:35:57,219 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 152 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17709 [2021-06-05 05:35:57,219 INFO L430 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:35:57,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:35:57,220 INFO L82 PathProgramCache]: Analyzing trace with hash 844447798, now seen corresponding path program 152 times [2021-06-05 05:35:57,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:35:57,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32340203] [2021-06-05 05:35:57,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:35:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:35:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:57,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:35:57,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32340203] [2021-06-05 05:35:57,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32340203] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:57,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486765441] [2021-06-05 05:35:57,327 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 153 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 153 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:35:57,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:35:57,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:35:57,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:35:57,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:35:57,688 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:35:57,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486765441] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:35:57,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:35:57,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-06-05 05:35:57,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788242439] [2021-06-05 05:35:57,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 05:35:57,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:35:57,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 05:35:57,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=927, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 05:35:57,689 INFO L87 Difference]: Start difference. First operand 70876 states and 183285 transitions. Second operand has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:00,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:00,338 INFO L93 Difference]: Finished difference Result 78292 states and 198968 transitions. [2021-06-05 05:36:00,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-05 05:36:00,339 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:00,452 INFO L225 Difference]: With dead ends: 78292 [2021-06-05 05:36:00,453 INFO L226 Difference]: Without dead ends: 78222 [2021-06-05 05:36:00,453 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6842 ImplicationChecksByTransitivity, 2219.7ms TimeCoverageRelationStatistics Valid=4177, Invalid=13913, Unknown=0, NotChecked=0, Total=18090 [2021-06-05 05:36:00,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78222 states. [2021-06-05 05:36:01,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78222 to 66237. [2021-06-05 05:36:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66237 states, 66236 states have (on average 2.5923817863397547) internal successors, (171709), 66236 states have internal predecessors, (171709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66237 states to 66237 states and 171709 transitions. [2021-06-05 05:36:01,703 INFO L78 Accepts]: Start accepts. Automaton has 66237 states and 171709 transitions. Word has length 44 [2021-06-05 05:36:01,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:01,703 INFO L482 AbstractCegarLoop]: Abstraction has 66237 states and 171709 transitions. [2021-06-05 05:36:01,703 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 66237 states and 171709 transitions. [2021-06-05 05:36:01,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:01,738 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:01,738 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:01,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 153 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17710 [2021-06-05 05:36:01,938 INFO L430 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:01,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:01,939 INFO L82 PathProgramCache]: Analyzing trace with hash -2026390862, now seen corresponding path program 153 times [2021-06-05 05:36:01,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:01,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925359357] [2021-06-05 05:36:01,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:02,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:02,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925359357] [2021-06-05 05:36:02,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925359357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:02,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88489679] [2021-06-05 05:36:02,056 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 154 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 154 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:02,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-06-05 05:36:02,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:02,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:02,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:02,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88489679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:02,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:02,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-05 05:36:02,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966590194] [2021-06-05 05:36:02,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 05:36:02,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:02,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 05:36:02,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=984, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 05:36:02,441 INFO L87 Difference]: Start difference. First operand 66237 states and 171709 transitions. Second operand has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:03,039 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2021-06-05 05:36:05,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:05,389 INFO L93 Difference]: Finished difference Result 75317 states and 190900 transitions. [2021-06-05 05:36:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-05 05:36:05,390 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:05,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:05,511 INFO L225 Difference]: With dead ends: 75317 [2021-06-05 05:36:05,511 INFO L226 Difference]: Without dead ends: 75249 [2021-06-05 05:36:05,512 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7072 ImplicationChecksByTransitivity, 2531.0ms TimeCoverageRelationStatistics Valid=4296, Invalid=14336, Unknown=0, NotChecked=0, Total=18632 [2021-06-05 05:36:05,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75249 states. [2021-06-05 05:36:06,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75249 to 60412. [2021-06-05 05:36:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60412 states, 60411 states have (on average 2.5961000480045024) internal successors, (156833), 60411 states have internal predecessors, (156833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60412 states to 60412 states and 156833 transitions. [2021-06-05 05:36:06,897 INFO L78 Accepts]: Start accepts. Automaton has 60412 states and 156833 transitions. Word has length 44 [2021-06-05 05:36:06,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:06,897 INFO L482 AbstractCegarLoop]: Abstraction has 60412 states and 156833 transitions. [2021-06-05 05:36:06,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 60412 states and 156833 transitions. [2021-06-05 05:36:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:06,929 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:06,929 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:07,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17711,154 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:07,130 INFO L430 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:07,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:07,130 INFO L82 PathProgramCache]: Analyzing trace with hash 761628206, now seen corresponding path program 154 times [2021-06-05 05:36:07,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:07,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103651751] [2021-06-05 05:36:07,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:07,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:07,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103651751] [2021-06-05 05:36:07,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103651751] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:07,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829341101] [2021-06-05 05:36:07,308 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 155 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 155 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:07,334 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:36:07,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:07,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:07,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:07,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829341101] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:07,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:07,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-06-05 05:36:07,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553823910] [2021-06-05 05:36:07,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 05:36:07,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:07,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 05:36:07,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 05:36:07,693 INFO L87 Difference]: Start difference. First operand 60412 states and 156833 transitions. Second operand has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:10,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:10,437 INFO L93 Difference]: Finished difference Result 71294 states and 180046 transitions. [2021-06-05 05:36:10,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-06-05 05:36:10,438 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:10,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:10,536 INFO L225 Difference]: With dead ends: 71294 [2021-06-05 05:36:10,536 INFO L226 Difference]: Without dead ends: 71236 [2021-06-05 05:36:10,536 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7215 ImplicationChecksByTransitivity, 2297.2ms TimeCoverageRelationStatistics Valid=4422, Invalid=14760, Unknown=0, NotChecked=0, Total=19182 [2021-06-05 05:36:10,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71236 states. [2021-06-05 05:36:11,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71236 to 55869. [2021-06-05 05:36:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55869 states, 55868 states have (on average 2.594168396935634) internal successors, (144931), 55868 states have internal predecessors, (144931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55869 states to 55869 states and 144931 transitions. [2021-06-05 05:36:11,486 INFO L78 Accepts]: Start accepts. Automaton has 55869 states and 144931 transitions. Word has length 44 [2021-06-05 05:36:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:11,486 INFO L482 AbstractCegarLoop]: Abstraction has 55869 states and 144931 transitions. [2021-06-05 05:36:11,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 55869 states and 144931 transitions. [2021-06-05 05:36:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:11,517 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:11,517 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:11,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17712,155 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:11,717 INFO L430 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:11,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1467247882, now seen corresponding path program 155 times [2021-06-05 05:36:11,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:11,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817585974] [2021-06-05 05:36:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 48 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:11,865 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:11,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817585974] [2021-06-05 05:36:11,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817585974] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:11,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240957687] [2021-06-05 05:36:11,866 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 156 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 156 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:11,894 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 05:36:11,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:11,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:11,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:12,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240957687] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:12,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:12,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-05 05:36:12,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560163408] [2021-06-05 05:36:12,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 05:36:12,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:12,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 05:36:12,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=1100, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 05:36:12,234 INFO L87 Difference]: Start difference. First operand 55869 states and 144931 transitions. Second operand has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:15,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:15,300 INFO L93 Difference]: Finished difference Result 63141 states and 160316 transitions. [2021-06-05 05:36:15,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-05 05:36:15,300 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:15,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:15,401 INFO L225 Difference]: With dead ends: 63141 [2021-06-05 05:36:15,401 INFO L226 Difference]: Without dead ends: 63141 [2021-06-05 05:36:15,402 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5668 ImplicationChecksByTransitivity, 2445.2ms TimeCoverageRelationStatistics Valid=4294, Invalid=13528, Unknown=0, NotChecked=0, Total=17822 [2021-06-05 05:36:15,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63141 states. [2021-06-05 05:36:16,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63141 to 51453. [2021-06-05 05:36:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51453 states, 51452 states have (on average 2.5921635699292542) internal successors, (133372), 51452 states have internal predecessors, (133372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51453 states to 51453 states and 133372 transitions. [2021-06-05 05:36:16,301 INFO L78 Accepts]: Start accepts. Automaton has 51453 states and 133372 transitions. Word has length 44 [2021-06-05 05:36:16,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:16,301 INFO L482 AbstractCegarLoop]: Abstraction has 51453 states and 133372 transitions. [2021-06-05 05:36:16,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.189189189189189) internal successors, (81), 36 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 51453 states and 133372 transitions. [2021-06-05 05:36:16,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:16,324 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:16,324 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:16,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17713,156 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:16,525 INFO L430 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:16,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1641909810, now seen corresponding path program 156 times [2021-06-05 05:36:16,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:16,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481859040] [2021-06-05 05:36:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:16,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:16,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481859040] [2021-06-05 05:36:16,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481859040] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:16,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425780149] [2021-06-05 05:36:16,656 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 157 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 157 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:16,685 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:36:16,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:16,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:16,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:17,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425780149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:17,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:17,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-06-05 05:36:17,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615933514] [2021-06-05 05:36:17,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 05:36:17,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:17,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 05:36:17,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=1053, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 05:36:17,203 INFO L87 Difference]: Start difference. First operand 51453 states and 133372 transitions. Second operand has 36 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 35 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:20,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:20,635 INFO L93 Difference]: Finished difference Result 57683 states and 146274 transitions. [2021-06-05 05:36:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-05 05:36:20,636 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 35 states have internal predecessors, (79), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:20,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:20,712 INFO L225 Difference]: With dead ends: 57683 [2021-06-05 05:36:20,712 INFO L226 Difference]: Without dead ends: 57500 [2021-06-05 05:36:20,713 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9516 ImplicationChecksByTransitivity, 3104.9ms TimeCoverageRelationStatistics Valid=5161, Invalid=20279, Unknown=0, NotChecked=0, Total=25440 [2021-06-05 05:36:20,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57500 states. [2021-06-05 05:36:21,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57500 to 50307. [2021-06-05 05:36:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50307 states, 50306 states have (on average 2.5821770762930862) internal successors, (129899), 50306 states have internal predecessors, (129899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50307 states to 50307 states and 129899 transitions. [2021-06-05 05:36:21,640 INFO L78 Accepts]: Start accepts. Automaton has 50307 states and 129899 transitions. Word has length 44 [2021-06-05 05:36:21,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:21,640 INFO L482 AbstractCegarLoop]: Abstraction has 50307 states and 129899 transitions. [2021-06-05 05:36:21,640 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 35 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:21,640 INFO L276 IsEmpty]: Start isEmpty. Operand 50307 states and 129899 transitions. [2021-06-05 05:36:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:21,663 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:21,663 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:21,863 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17714,157 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:21,863 INFO L430 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:21,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:21,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1238626058, now seen corresponding path program 157 times [2021-06-05 05:36:21,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:21,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758025160] [2021-06-05 05:36:21,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 47 proven. 65 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:22,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:22,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758025160] [2021-06-05 05:36:22,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758025160] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:22,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421820861] [2021-06-05 05:36:22,025 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 158 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 158 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:22,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:22,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:22,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421820861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:22,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:22,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-06-05 05:36:22,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559798466] [2021-06-05 05:36:22,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 05:36:22,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:22,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 05:36:22,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1049, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 05:36:22,406 INFO L87 Difference]: Start difference. First operand 50307 states and 129899 transitions. Second operand has 36 states, 36 states have (on average 2.25) internal successors, (81), 35 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:25,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:25,604 INFO L93 Difference]: Finished difference Result 60574 states and 152493 transitions. [2021-06-05 05:36:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-05 05:36:25,605 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.25) internal successors, (81), 35 states have internal predecessors, (81), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:25,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:25,689 INFO L225 Difference]: With dead ends: 60574 [2021-06-05 05:36:25,690 INFO L226 Difference]: Without dead ends: 60574 [2021-06-05 05:36:25,690 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6651 ImplicationChecksByTransitivity, 2501.1ms TimeCoverageRelationStatistics Valid=4738, Invalid=15002, Unknown=0, NotChecked=0, Total=19740 [2021-06-05 05:36:25,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60574 states. [2021-06-05 05:36:26,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60574 to 46600. [2021-06-05 05:36:26,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46600 states, 46599 states have (on average 2.5784029700208158) internal successors, (120151), 46599 states have internal predecessors, (120151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46600 states to 46600 states and 120151 transitions. [2021-06-05 05:36:26,598 INFO L78 Accepts]: Start accepts. Automaton has 46600 states and 120151 transitions. Word has length 44 [2021-06-05 05:36:26,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:26,598 INFO L482 AbstractCegarLoop]: Abstraction has 46600 states and 120151 transitions. [2021-06-05 05:36:26,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.25) internal successors, (81), 35 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 46600 states and 120151 transitions. [2021-06-05 05:36:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:26,622 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:26,622 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:26,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17715,158 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:26,833 INFO L430 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:26,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:26,833 INFO L82 PathProgramCache]: Analyzing trace with hash -453268686, now seen corresponding path program 158 times [2021-06-05 05:36:26,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:26,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269670504] [2021-06-05 05:36:26,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 43 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:26,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:26,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269670504] [2021-06-05 05:36:26,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269670504] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:26,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098257527] [2021-06-05 05:36:26,951 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 159 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 159 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:26,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:36:26,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:26,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:26,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:27,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098257527] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:27,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:27,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-05 05:36:27,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154278842] [2021-06-05 05:36:27,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 05:36:27,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:27,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 05:36:27,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=997, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 05:36:27,314 INFO L87 Difference]: Start difference. First operand 46600 states and 120151 transitions. Second operand has 35 states, 35 states have (on average 2.257142857142857) internal successors, (79), 34 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:28,722 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2021-06-05 05:36:30,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:30,303 INFO L93 Difference]: Finished difference Result 51978 states and 131845 transitions. [2021-06-05 05:36:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-06-05 05:36:30,303 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.257142857142857) internal successors, (79), 34 states have internal predecessors, (79), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:30,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:30,379 INFO L225 Difference]: With dead ends: 51978 [2021-06-05 05:36:30,379 INFO L226 Difference]: Without dead ends: 51840 [2021-06-05 05:36:30,381 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8358 ImplicationChecksByTransitivity, 2664.0ms TimeCoverageRelationStatistics Valid=4391, Invalid=17365, Unknown=0, NotChecked=0, Total=21756 [2021-06-05 05:36:30,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51840 states. [2021-06-05 05:36:31,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51840 to 46019. [2021-06-05 05:36:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46019 states, 46018 states have (on average 2.568690512408188) internal successors, (118206), 46018 states have internal predecessors, (118206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46019 states to 46019 states and 118206 transitions. [2021-06-05 05:36:31,250 INFO L78 Accepts]: Start accepts. Automaton has 46019 states and 118206 transitions. Word has length 44 [2021-06-05 05:36:31,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:31,250 INFO L482 AbstractCegarLoop]: Abstraction has 46019 states and 118206 transitions. [2021-06-05 05:36:31,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.257142857142857) internal successors, (79), 34 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 46019 states and 118206 transitions. [2021-06-05 05:36:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:31,272 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:31,272 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:31,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 159 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17716 [2021-06-05 05:36:31,472 INFO L430 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:31,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:31,472 INFO L82 PathProgramCache]: Analyzing trace with hash 232001270, now seen corresponding path program 159 times [2021-06-05 05:36:31,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:31,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032086819] [2021-06-05 05:36:31,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:31,706 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2021-06-05 05:36:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:31,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:31,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032086819] [2021-06-05 05:36:31,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032086819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:31,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474427738] [2021-06-05 05:36:31,718 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 160 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 160 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:31,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-05 05:36:31,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:31,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:31,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:32,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474427738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:32,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:32,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-05 05:36:32,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410886604] [2021-06-05 05:36:32,096 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 05:36:32,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:32,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 05:36:32,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=996, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 05:36:32,096 INFO L87 Difference]: Start difference. First operand 46019 states and 118206 transitions. Second operand has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 34 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:35,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:35,371 INFO L93 Difference]: Finished difference Result 58521 states and 146329 transitions. [2021-06-05 05:36:35,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-06-05 05:36:35,371 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 34 states have internal predecessors, (81), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:35,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:35,466 INFO L225 Difference]: With dead ends: 58521 [2021-06-05 05:36:35,467 INFO L226 Difference]: Without dead ends: 58521 [2021-06-05 05:36:35,468 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7956 ImplicationChecksByTransitivity, 2883.4ms TimeCoverageRelationStatistics Valid=5503, Invalid=16847, Unknown=0, NotChecked=0, Total=22350 [2021-06-05 05:36:35,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58521 states. [2021-06-05 05:36:36,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58521 to 43122. [2021-06-05 05:36:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43122 states, 43121 states have (on average 2.5638551981633078) internal successors, (110556), 43121 states have internal predecessors, (110556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43122 states to 43122 states and 110556 transitions. [2021-06-05 05:36:36,260 INFO L78 Accepts]: Start accepts. Automaton has 43122 states and 110556 transitions. Word has length 44 [2021-06-05 05:36:36,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:36,260 INFO L482 AbstractCegarLoop]: Abstraction has 43122 states and 110556 transitions. [2021-06-05 05:36:36,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.3142857142857145) internal successors, (81), 34 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:36,260 INFO L276 IsEmpty]: Start isEmpty. Operand 43122 states and 110556 transitions. [2021-06-05 05:36:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:36,281 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:36,282 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:36,482 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17717,160 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:36,482 INFO L430 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:36,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:36,482 INFO L82 PathProgramCache]: Analyzing trace with hash -486733774, now seen corresponding path program 160 times [2021-06-05 05:36:36,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:36,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285773901] [2021-06-05 05:36:36,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 73 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:36,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:36,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285773901] [2021-06-05 05:36:36,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285773901] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:36,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094246676] [2021-06-05 05:36:36,594 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 161 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 161 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:36,621 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:36:36,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:36,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:36,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:36,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094246676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:36,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:36,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-06-05 05:36:36,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573263878] [2021-06-05 05:36:36,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 05:36:36,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:36,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 05:36:36,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 05:36:36,973 INFO L87 Difference]: Start difference. First operand 43122 states and 110556 transitions. Second operand has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:39,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:39,699 INFO L93 Difference]: Finished difference Result 47939 states and 121721 transitions. [2021-06-05 05:36:39,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-06-05 05:36:39,699 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:39,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:39,765 INFO L225 Difference]: With dead ends: 47939 [2021-06-05 05:36:39,765 INFO L226 Difference]: Without dead ends: 47840 [2021-06-05 05:36:39,766 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7396 ImplicationChecksByTransitivity, 2377.0ms TimeCoverageRelationStatistics Valid=3858, Invalid=15048, Unknown=0, NotChecked=0, Total=18906 [2021-06-05 05:36:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47840 states. [2021-06-05 05:36:40,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47840 to 43476. [2021-06-05 05:36:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43476 states, 43475 states have (on average 2.5605520414031053) internal successors, (111320), 43475 states have internal predecessors, (111320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43476 states to 43476 states and 111320 transitions. [2021-06-05 05:36:40,596 INFO L78 Accepts]: Start accepts. Automaton has 43476 states and 111320 transitions. Word has length 44 [2021-06-05 05:36:40,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:40,596 INFO L482 AbstractCegarLoop]: Abstraction has 43476 states and 111320 transitions. [2021-06-05 05:36:40,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 43476 states and 111320 transitions. [2021-06-05 05:36:40,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:40,617 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:40,617 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:40,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 161 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17718 [2021-06-05 05:36:40,817 INFO L430 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:40,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:40,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1956410122, now seen corresponding path program 161 times [2021-06-05 05:36:40,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:40,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998053913] [2021-06-05 05:36:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:40,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:40,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998053913] [2021-06-05 05:36:40,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998053913] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:40,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566683473] [2021-06-05 05:36:40,935 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 162 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 162 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:40,965 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 05:36:40,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:40,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:40,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:41,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566683473] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:41,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:41,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-06-05 05:36:41,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713537215] [2021-06-05 05:36:41,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 05:36:41,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:41,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 05:36:41,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=941, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 05:36:41,293 INFO L87 Difference]: Start difference. First operand 43476 states and 111320 transitions. Second operand has 34 states, 34 states have (on average 2.3823529411764706) internal successors, (81), 33 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:42,312 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 13 [2021-06-05 05:36:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:45,019 INFO L93 Difference]: Finished difference Result 57787 states and 143896 transitions. [2021-06-05 05:36:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-06-05 05:36:45,019 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.3823529411764706) internal successors, (81), 33 states have internal predecessors, (81), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:45,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:45,209 INFO L225 Difference]: With dead ends: 57787 [2021-06-05 05:36:45,210 INFO L226 Difference]: Without dead ends: 57787 [2021-06-05 05:36:45,211 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10047 ImplicationChecksByTransitivity, 3110.7ms TimeCoverageRelationStatistics Valid=6742, Invalid=19664, Unknown=0, NotChecked=0, Total=26406 [2021-06-05 05:36:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57787 states. [2021-06-05 05:36:45,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57787 to 41310. [2021-06-05 05:36:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41310 states, 41309 states have (on average 2.552760899561839) internal successors, (105452), 41309 states have internal predecessors, (105452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41310 states to 41310 states and 105452 transitions. [2021-06-05 05:36:45,825 INFO L78 Accepts]: Start accepts. Automaton has 41310 states and 105452 transitions. Word has length 44 [2021-06-05 05:36:45,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:45,825 INFO L482 AbstractCegarLoop]: Abstraction has 41310 states and 105452 transitions. [2021-06-05 05:36:45,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.3823529411764706) internal successors, (81), 33 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 41310 states and 105452 transitions. [2021-06-05 05:36:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:45,846 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:45,846 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:46,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17719,162 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:46,046 INFO L430 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:46,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:46,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1001497906, now seen corresponding path program 162 times [2021-06-05 05:36:46,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:46,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061933610] [2021-06-05 05:36:46,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 73 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:46,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:46,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061933610] [2021-06-05 05:36:46,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061933610] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:46,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161969026] [2021-06-05 05:36:46,146 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 163 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 163 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:46,176 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-05 05:36:46,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:46,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:46,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:46,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161969026] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:46,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:46,497 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-05 05:36:46,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700912099] [2021-06-05 05:36:46,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 05:36:46,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:46,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 05:36:46,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=879, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 05:36:46,498 INFO L87 Difference]: Start difference. First operand 41310 states and 105452 transitions. Second operand has 33 states, 33 states have (on average 2.393939393939394) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:49,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:49,020 INFO L93 Difference]: Finished difference Result 45468 states and 115411 transitions. [2021-06-05 05:36:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-06-05 05:36:49,021 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.393939393939394) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:49,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:49,082 INFO L225 Difference]: With dead ends: 45468 [2021-06-05 05:36:49,082 INFO L226 Difference]: Without dead ends: 45402 [2021-06-05 05:36:49,084 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6634 ImplicationChecksByTransitivity, 2054.0ms TimeCoverageRelationStatistics Valid=3507, Invalid=13263, Unknown=0, NotChecked=0, Total=16770 [2021-06-05 05:36:49,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45402 states. [2021-06-05 05:36:49,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45402 to 42444. [2021-06-05 05:36:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42444 states, 42443 states have (on average 2.5579483071413427) internal successors, (108567), 42443 states have internal predecessors, (108567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42444 states to 42444 states and 108567 transitions. [2021-06-05 05:36:49,914 INFO L78 Accepts]: Start accepts. Automaton has 42444 states and 108567 transitions. Word has length 44 [2021-06-05 05:36:49,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:49,914 INFO L482 AbstractCegarLoop]: Abstraction has 42444 states and 108567 transitions. [2021-06-05 05:36:49,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.393939393939394) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 42444 states and 108567 transitions. [2021-06-05 05:36:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:49,934 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:49,934 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:50,134 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 163 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17720 [2021-06-05 05:36:50,134 INFO L430 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:50,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:50,135 INFO L82 PathProgramCache]: Analyzing trace with hash -2101703946, now seen corresponding path program 163 times [2021-06-05 05:36:50,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:50,135 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307162067] [2021-06-05 05:36:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:50,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:50,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307162067] [2021-06-05 05:36:50,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307162067] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:50,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652630466] [2021-06-05 05:36:50,235 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 164 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 164 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:50,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:50,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:50,623 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:50,623 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652630466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:50,623 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:50,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-05 05:36:50,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574825505] [2021-06-05 05:36:50,624 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 05:36:50,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:50,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 05:36:50,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=884, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 05:36:50,624 INFO L87 Difference]: Start difference. First operand 42444 states and 108567 transitions. Second operand has 33 states, 33 states have (on average 2.4545454545454546) internal successors, (81), 32 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:54,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:54,760 INFO L93 Difference]: Finished difference Result 58896 states and 146292 transitions. [2021-06-05 05:36:54,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-06-05 05:36:54,761 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.4545454545454546) internal successors, (81), 32 states have internal predecessors, (81), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:54,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:54,855 INFO L225 Difference]: With dead ends: 58896 [2021-06-05 05:36:54,855 INFO L226 Difference]: Without dead ends: 58896 [2021-06-05 05:36:54,857 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12202 ImplicationChecksByTransitivity, 3251.9ms TimeCoverageRelationStatistics Valid=7994, Invalid=22108, Unknown=0, NotChecked=0, Total=30102 [2021-06-05 05:36:54,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58896 states. [2021-06-05 05:36:55,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58896 to 40884. [2021-06-05 05:36:55,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40884 states, 40883 states have (on average 2.5471711958515764) internal successors, (104136), 40883 states have internal predecessors, (104136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40884 states to 40884 states and 104136 transitions. [2021-06-05 05:36:55,683 INFO L78 Accepts]: Start accepts. Automaton has 40884 states and 104136 transitions. Word has length 44 [2021-06-05 05:36:55,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:55,683 INFO L482 AbstractCegarLoop]: Abstraction has 40884 states and 104136 transitions. [2021-06-05 05:36:55,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.4545454545454546) internal successors, (81), 32 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:55,683 INFO L276 IsEmpty]: Start isEmpty. Operand 40884 states and 104136 transitions. [2021-06-05 05:36:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:55,840 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:55,840 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:56,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 164 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17721 [2021-06-05 05:36:56,040 INFO L430 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:56,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:56,041 INFO L82 PathProgramCache]: Analyzing trace with hash -2098625998, now seen corresponding path program 164 times [2021-06-05 05:36:56,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:56,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854661088] [2021-06-05 05:36:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:36:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 43 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:36:56,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:36:56,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854661088] [2021-06-05 05:36:56,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854661088] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:56,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071733326] [2021-06-05 05:36:56,151 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 165 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 165 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:56,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:36:56,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:36:56,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:36:56,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:36:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:36:56,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071733326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:36:56,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:36:56,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-06-05 05:36:56,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579334842] [2021-06-05 05:36:56,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 05:36:56,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:36:56,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 05:36:56,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=817, Unknown=0, NotChecked=0, Total=992 [2021-06-05 05:36:56,502 INFO L87 Difference]: Start difference. First operand 40884 states and 104136 transitions. Second operand has 32 states, 32 states have (on average 2.46875) internal successors, (79), 31 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:59,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:36:59,018 INFO L93 Difference]: Finished difference Result 43828 states and 111069 transitions. [2021-06-05 05:36:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-06-05 05:36:59,018 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.46875) internal successors, (79), 31 states have internal predecessors, (79), 0 states have call successors, (0), 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 44 [2021-06-05 05:36:59,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:36:59,070 INFO L225 Difference]: With dead ends: 43828 [2021-06-05 05:36:59,070 INFO L226 Difference]: Without dead ends: 43789 [2021-06-05 05:36:59,071 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6042 ImplicationChecksByTransitivity, 2009.7ms TimeCoverageRelationStatistics Valid=3289, Invalid=11963, Unknown=0, NotChecked=0, Total=15252 [2021-06-05 05:36:59,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43789 states. [2021-06-05 05:36:59,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43789 to 41700. [2021-06-05 05:36:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41700 states, 41699 states have (on average 2.5523633660279623) internal successors, (106431), 41699 states have internal predecessors, (106431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41700 states to 41700 states and 106431 transitions. [2021-06-05 05:36:59,754 INFO L78 Accepts]: Start accepts. Automaton has 41700 states and 106431 transitions. Word has length 44 [2021-06-05 05:36:59,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:36:59,754 INFO L482 AbstractCegarLoop]: Abstraction has 41700 states and 106431 transitions. [2021-06-05 05:36:59,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.46875) internal successors, (79), 31 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:36:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 41700 states and 106431 transitions. [2021-06-05 05:36:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:36:59,773 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:36:59,773 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:36:59,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17722,165 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:36:59,974 INFO L430 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:36:59,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:36:59,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1078392586, now seen corresponding path program 165 times [2021-06-05 05:36:59,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:36:59,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018711335] [2021-06-05 05:36:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:36:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 43 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:00,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:00,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018711335] [2021-06-05 05:37:00,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018711335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:00,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070873881] [2021-06-05 05:37:00,069 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 166 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 166 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:00,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-05 05:37:00,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:00,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:00,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:00,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070873881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:00,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:00,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-06-05 05:37:00,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536619180] [2021-06-05 05:37:00,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 05:37:00,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:00,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 05:37:00,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2021-06-05 05:37:00,422 INFO L87 Difference]: Start difference. First operand 41700 states and 106431 transitions. Second operand has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:04,448 INFO L93 Difference]: Finished difference Result 65429 states and 161982 transitions. [2021-06-05 05:37:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-05 05:37:04,448 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:04,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:04,543 INFO L225 Difference]: With dead ends: 65429 [2021-06-05 05:37:04,544 INFO L226 Difference]: Without dead ends: 65429 [2021-06-05 05:37:04,545 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13524 ImplicationChecksByTransitivity, 3225.2ms TimeCoverageRelationStatistics Valid=8673, Invalid=23189, Unknown=0, NotChecked=0, Total=31862 [2021-06-05 05:37:04,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65429 states. [2021-06-05 05:37:05,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65429 to 53012. [2021-06-05 05:37:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53012 states, 53011 states have (on average 2.526815189300334) internal successors, (133949), 53011 states have internal predecessors, (133949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53012 states to 53012 states and 133949 transitions. [2021-06-05 05:37:05,714 INFO L78 Accepts]: Start accepts. Automaton has 53012 states and 133949 transitions. Word has length 44 [2021-06-05 05:37:05,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:05,714 INFO L482 AbstractCegarLoop]: Abstraction has 53012 states and 133949 transitions. [2021-06-05 05:37:05,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 31 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 53012 states and 133949 transitions. [2021-06-05 05:37:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:05,737 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:05,738 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:05,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17723,166 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:05,938 INFO L430 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:05,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:05,938 INFO L82 PathProgramCache]: Analyzing trace with hash 7642930, now seen corresponding path program 166 times [2021-06-05 05:37:05,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:05,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925773728] [2021-06-05 05:37:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:06,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:06,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925773728] [2021-06-05 05:37:06,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925773728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:06,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516603617] [2021-06-05 05:37:06,025 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 167 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 167 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:06,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:37:06,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:06,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:06,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:06,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516603617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:06,381 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:06,381 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-06-05 05:37:06,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191965987] [2021-06-05 05:37:06,381 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 05:37:06,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:06,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 05:37:06,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=753, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:37:06,381 INFO L87 Difference]: Start difference. First operand 53012 states and 133949 transitions. Second operand has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 30 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:08,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:08,855 INFO L93 Difference]: Finished difference Result 54400 states and 136833 transitions. [2021-06-05 05:37:08,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-05 05:37:08,856 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 30 states have internal predecessors, (79), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:08,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:08,940 INFO L225 Difference]: With dead ends: 54400 [2021-06-05 05:37:08,940 INFO L226 Difference]: Without dead ends: 54382 [2021-06-05 05:37:08,941 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5633 ImplicationChecksByTransitivity, 1955.4ms TimeCoverageRelationStatistics Valid=3161, Invalid=11119, Unknown=0, NotChecked=0, Total=14280 [2021-06-05 05:37:08,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54382 states. [2021-06-05 05:37:09,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54382 to 53296. [2021-06-05 05:37:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53296 states, 53295 states have (on average 2.5279106858054226) internal successors, (134725), 53295 states have internal predecessors, (134725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53296 states to 53296 states and 134725 transitions. [2021-06-05 05:37:09,963 INFO L78 Accepts]: Start accepts. Automaton has 53296 states and 134725 transitions. Word has length 44 [2021-06-05 05:37:09,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:09,964 INFO L482 AbstractCegarLoop]: Abstraction has 53296 states and 134725 transitions. [2021-06-05 05:37:09,964 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 30 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 53296 states and 134725 transitions. [2021-06-05 05:37:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:09,985 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:09,985 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:10,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17724,167 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:10,187 INFO L430 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:10,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:10,187 INFO L82 PathProgramCache]: Analyzing trace with hash -2042689802, now seen corresponding path program 167 times [2021-06-05 05:37:10,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:10,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693389680] [2021-06-05 05:37:10,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:10,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:10,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693389680] [2021-06-05 05:37:10,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693389680] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:10,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178796867] [2021-06-05 05:37:10,279 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 168 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 168 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:10,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 05:37:10,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:10,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:10,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:10,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178796867] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:10,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:10,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-06-05 05:37:10,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901919377] [2021-06-05 05:37:10,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 05:37:10,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:10,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 05:37:10,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:37:10,627 INFO L87 Difference]: Start difference. First operand 53296 states and 134725 transitions. Second operand has 31 states, 31 states have (on average 2.6451612903225805) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:14,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:14,480 INFO L93 Difference]: Finished difference Result 86323 states and 215533 transitions. [2021-06-05 05:37:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-06-05 05:37:14,481 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.6451612903225805) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:14,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:14,617 INFO L225 Difference]: With dead ends: 86323 [2021-06-05 05:37:14,618 INFO L226 Difference]: Without dead ends: 86323 [2021-06-05 05:37:14,619 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13427 ImplicationChecksByTransitivity, 3208.2ms TimeCoverageRelationStatistics Valid=8410, Invalid=22742, Unknown=0, NotChecked=0, Total=31152 [2021-06-05 05:37:14,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86323 states. [2021-06-05 05:37:16,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86323 to 78657. [2021-06-05 05:37:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78657 states, 78656 states have (on average 2.526622253864931) internal successors, (198734), 78656 states have internal predecessors, (198734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78657 states to 78657 states and 198734 transitions. [2021-06-05 05:37:16,299 INFO L78 Accepts]: Start accepts. Automaton has 78657 states and 198734 transitions. Word has length 44 [2021-06-05 05:37:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:16,299 INFO L482 AbstractCegarLoop]: Abstraction has 78657 states and 198734 transitions. [2021-06-05 05:37:16,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.6451612903225805) internal successors, (82), 30 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 78657 states and 198734 transitions. [2021-06-05 05:37:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:16,335 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:16,335 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:16,535 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17725,168 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:16,535 INFO L430 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:16,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:16,536 INFO L82 PathProgramCache]: Analyzing trace with hash 306256860, now seen corresponding path program 168 times [2021-06-05 05:37:16,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:16,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444487567] [2021-06-05 05:37:16,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:16,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:16,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444487567] [2021-06-05 05:37:16,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444487567] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:16,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71917249] [2021-06-05 05:37:16,618 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 169 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 169 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:16,647 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-05 05:37:16,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:16,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:16,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:16,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71917249] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:16,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:16,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 29 [2021-06-05 05:37:16,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854082297] [2021-06-05 05:37:16,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-05 05:37:16,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:16,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-05 05:37:16,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2021-06-05 05:37:16,966 INFO L87 Difference]: Start difference. First operand 78657 states and 198734 transitions. Second operand has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:17,804 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2021-06-05 05:37:19,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:19,541 INFO L93 Difference]: Finished difference Result 84367 states and 210829 transitions. [2021-06-05 05:37:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-05 05:37:19,542 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:19,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:19,678 INFO L225 Difference]: With dead ends: 84367 [2021-06-05 05:37:19,678 INFO L226 Difference]: Without dead ends: 84363 [2021-06-05 05:37:19,678 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5298 ImplicationChecksByTransitivity, 1972.6ms TimeCoverageRelationStatistics Valid=3932, Invalid=10348, Unknown=0, NotChecked=0, Total=14280 [2021-06-05 05:37:19,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84363 states. [2021-06-05 05:37:21,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84363 to 77090. [2021-06-05 05:37:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77090 states, 77089 states have (on average 2.5228631841118707) internal successors, (194485), 77089 states have internal predecessors, (194485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77090 states to 77090 states and 194485 transitions. [2021-06-05 05:37:21,238 INFO L78 Accepts]: Start accepts. Automaton has 77090 states and 194485 transitions. Word has length 44 [2021-06-05 05:37:21,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:21,238 INFO L482 AbstractCegarLoop]: Abstraction has 77090 states and 194485 transitions. [2021-06-05 05:37:21,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.6) internal successors, (78), 29 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 77090 states and 194485 transitions. [2021-06-05 05:37:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:21,273 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:21,274 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:21,474 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 169 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17726 [2021-06-05 05:37:21,474 INFO L430 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:21,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:21,474 INFO L82 PathProgramCache]: Analyzing trace with hash -200089406, now seen corresponding path program 169 times [2021-06-05 05:37:21,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:21,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313729068] [2021-06-05 05:37:21,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 50 proven. 62 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:21,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:21,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313729068] [2021-06-05 05:37:21,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313729068] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:21,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675590429] [2021-06-05 05:37:21,565 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 170 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 170 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:21,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:21,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:21,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675590429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:21,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:21,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2021-06-05 05:37:21,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272421547] [2021-06-05 05:37:21,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-05 05:37:21,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:21,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-05 05:37:21,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=768, Unknown=0, NotChecked=0, Total=930 [2021-06-05 05:37:21,921 INFO L87 Difference]: Start difference. First operand 77090 states and 194485 transitions. Second operand has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:24,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:24,551 INFO L93 Difference]: Finished difference Result 85074 states and 212705 transitions. [2021-06-05 05:37:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-05 05:37:24,551 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:24,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:24,676 INFO L225 Difference]: With dead ends: 85074 [2021-06-05 05:37:24,676 INFO L226 Difference]: Without dead ends: 85062 [2021-06-05 05:37:24,676 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4961 ImplicationChecksByTransitivity, 1978.5ms TimeCoverageRelationStatistics Valid=3535, Invalid=10037, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 05:37:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85062 states. [2021-06-05 05:37:25,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85062 to 75692. [2021-06-05 05:37:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75692 states, 75691 states have (on average 2.5230740774993063) internal successors, (190974), 75691 states have internal predecessors, (190974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75692 states to 75692 states and 190974 transitions. [2021-06-05 05:37:26,142 INFO L78 Accepts]: Start accepts. Automaton has 75692 states and 190974 transitions. Word has length 44 [2021-06-05 05:37:26,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:26,142 INFO L482 AbstractCegarLoop]: Abstraction has 75692 states and 190974 transitions. [2021-06-05 05:37:26,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 30 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 75692 states and 190974 transitions. [2021-06-05 05:37:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:26,173 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:26,173 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:26,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17727,170 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:26,374 INFO L430 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:26,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:26,374 INFO L82 PathProgramCache]: Analyzing trace with hash -427310786, now seen corresponding path program 170 times [2021-06-05 05:37:26,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:26,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685289782] [2021-06-05 05:37:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:26,481 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 41 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:26,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:26,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685289782] [2021-06-05 05:37:26,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685289782] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:26,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891781204] [2021-06-05 05:37:26,482 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 171 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 171 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:26,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:37:26,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:26,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:26,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:26,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891781204] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:26,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:26,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2021-06-05 05:37:26,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896310582] [2021-06-05 05:37:26,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 05:37:26,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:26,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 05:37:26,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2021-06-05 05:37:26,835 INFO L87 Difference]: Start difference. First operand 75692 states and 190974 transitions. Second operand has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:29,677 INFO L93 Difference]: Finished difference Result 86749 states and 216938 transitions. [2021-06-05 05:37:29,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-05 05:37:29,678 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:29,800 INFO L225 Difference]: With dead ends: 86749 [2021-06-05 05:37:29,800 INFO L226 Difference]: Without dead ends: 86729 [2021-06-05 05:37:29,801 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4795 ImplicationChecksByTransitivity, 2189.7ms TimeCoverageRelationStatistics Valid=3294, Invalid=10046, Unknown=0, NotChecked=0, Total=13340 [2021-06-05 05:37:29,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86729 states. [2021-06-05 05:37:30,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86729 to 75153. [2021-06-05 05:37:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75153 states, 75152 states have (on average 2.524097828401107) internal successors, (189691), 75152 states have internal predecessors, (189691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75153 states to 75153 states and 189691 transitions. [2021-06-05 05:37:31,198 INFO L78 Accepts]: Start accepts. Automaton has 75153 states and 189691 transitions. Word has length 44 [2021-06-05 05:37:31,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:31,199 INFO L482 AbstractCegarLoop]: Abstraction has 75153 states and 189691 transitions. [2021-06-05 05:37:31,199 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 31 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 75153 states and 189691 transitions. [2021-06-05 05:37:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:31,232 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:31,232 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:31,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 171 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17728 [2021-06-05 05:37:31,432 INFO L430 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:31,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:31,433 INFO L82 PathProgramCache]: Analyzing trace with hash 256275130, now seen corresponding path program 171 times [2021-06-05 05:37:31,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:31,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372032064] [2021-06-05 05:37:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:31,541 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:31,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:31,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372032064] [2021-06-05 05:37:31,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372032064] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:31,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325213661] [2021-06-05 05:37:31,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 172 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 172 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:31,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-05 05:37:31,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:31,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:31,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:31,897 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 33 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:31,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325213661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:31,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:31,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-05 05:37:31,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411207399] [2021-06-05 05:37:31,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-05 05:37:31,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:31,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-05 05:37:31,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=884, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 05:37:31,898 INFO L87 Difference]: Start difference. First operand 75153 states and 189691 transitions. Second operand has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:32,668 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 10 [2021-06-05 05:37:34,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:34,467 INFO L93 Difference]: Finished difference Result 90212 states and 225708 transitions. [2021-06-05 05:37:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-05 05:37:34,468 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:34,616 INFO L225 Difference]: With dead ends: 90212 [2021-06-05 05:37:34,616 INFO L226 Difference]: Without dead ends: 90184 [2021-06-05 05:37:34,616 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4807 ImplicationChecksByTransitivity, 2002.4ms TimeCoverageRelationStatistics Valid=3214, Invalid=10358, Unknown=0, NotChecked=0, Total=13572 [2021-06-05 05:37:34,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90184 states. [2021-06-05 05:37:36,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90184 to 77078. [2021-06-05 05:37:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77078 states, 77077 states have (on average 2.5283158400041517) internal successors, (194875), 77077 states have internal predecessors, (194875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77078 states to 77078 states and 194875 transitions. [2021-06-05 05:37:36,300 INFO L78 Accepts]: Start accepts. Automaton has 77078 states and 194875 transitions. Word has length 44 [2021-06-05 05:37:36,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:36,300 INFO L482 AbstractCegarLoop]: Abstraction has 77078 states and 194875 transitions. [2021-06-05 05:37:36,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.3636363636363638) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 77078 states and 194875 transitions. [2021-06-05 05:37:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:36,335 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:36,336 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:36,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17729,172 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:36,536 INFO L430 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:36,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:36,545 INFO L82 PathProgramCache]: Analyzing trace with hash 52344118, now seen corresponding path program 172 times [2021-06-05 05:37:36,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:36,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258266460] [2021-06-05 05:37:36,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 35 proven. 77 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:36,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:36,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258266460] [2021-06-05 05:37:36,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258266460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:36,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235410763] [2021-06-05 05:37:36,667 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 173 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 173 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:36,694 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 05:37:36,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:36,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:36,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 33 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:37,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235410763] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:37,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:37,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 33 [2021-06-05 05:37:37,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899768957] [2021-06-05 05:37:37,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 05:37:37,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:37,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 05:37:37,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 05:37:37,063 INFO L87 Difference]: Start difference. First operand 77078 states and 194875 transitions. Second operand has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:39,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:39,678 INFO L93 Difference]: Finished difference Result 96683 states and 242166 transitions. [2021-06-05 05:37:39,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-06-05 05:37:39,678 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:39,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:39,818 INFO L225 Difference]: With dead ends: 96683 [2021-06-05 05:37:39,818 INFO L226 Difference]: Without dead ends: 96647 [2021-06-05 05:37:39,819 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5019 ImplicationChecksByTransitivity, 1994.6ms TimeCoverageRelationStatistics Valid=3299, Invalid=10981, Unknown=0, NotChecked=0, Total=14280 [2021-06-05 05:37:40,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96647 states. [2021-06-05 05:37:41,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96647 to 83208. [2021-06-05 05:37:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83208 states, 83207 states have (on average 2.53622892304734) internal successors, (211032), 83207 states have internal predecessors, (211032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83208 states to 83208 states and 211032 transitions. [2021-06-05 05:37:41,708 INFO L78 Accepts]: Start accepts. Automaton has 83208 states and 211032 transitions. Word has length 44 [2021-06-05 05:37:41,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:41,708 INFO L482 AbstractCegarLoop]: Abstraction has 83208 states and 211032 transitions. [2021-06-05 05:37:41,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.2941176470588234) internal successors, (78), 33 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 83208 states and 211032 transitions. [2021-06-05 05:37:41,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:41,740 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:41,740 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:41,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 173 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17730 [2021-06-05 05:37:41,941 INFO L430 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:41,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:41,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1643137202, now seen corresponding path program 173 times [2021-06-05 05:37:41,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:41,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540408100] [2021-06-05 05:37:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 38 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:42,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:42,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540408100] [2021-06-05 05:37:42,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540408100] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:42,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637664457] [2021-06-05 05:37:42,066 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 174 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 174 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:42,095 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-05 05:37:42,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:42,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:42,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:42,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637664457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:42,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:42,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 34 [2021-06-05 05:37:42,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981129041] [2021-06-05 05:37:42,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 05:37:42,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:42,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 05:37:42,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=992, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 05:37:42,439 INFO L87 Difference]: Start difference. First operand 83208 states and 211032 transitions. Second operand has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:43,430 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2021-06-05 05:37:45,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:45,107 INFO L93 Difference]: Finished difference Result 107665 states and 269841 transitions. [2021-06-05 05:37:45,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-06-05 05:37:45,108 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:45,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:45,466 INFO L225 Difference]: With dead ends: 107665 [2021-06-05 05:37:45,466 INFO L226 Difference]: Without dead ends: 107621 [2021-06-05 05:37:45,467 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5471 ImplicationChecksByTransitivity, 2251.9ms TimeCoverageRelationStatistics Valid=3551, Invalid=11949, Unknown=0, NotChecked=0, Total=15500 [2021-06-05 05:37:45,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107621 states. [2021-06-05 05:37:47,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107621 to 100757. [2021-06-05 05:37:47,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100757 states, 100756 states have (on average 2.537149152407797) internal successors, (255633), 100756 states have internal predecessors, (255633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100757 states to 100757 states and 255633 transitions. [2021-06-05 05:37:47,442 INFO L78 Accepts]: Start accepts. Automaton has 100757 states and 255633 transitions. Word has length 44 [2021-06-05 05:37:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:47,442 INFO L482 AbstractCegarLoop]: Abstraction has 100757 states and 255633 transitions. [2021-06-05 05:37:47,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.2285714285714286) internal successors, (78), 34 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 100757 states and 255633 transitions. [2021-06-05 05:37:47,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:47,490 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:47,490 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:47,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 174 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17731 [2021-06-05 05:37:47,691 INFO L430 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:47,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:47,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1386933550, now seen corresponding path program 174 times [2021-06-05 05:37:47,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:47,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418963462] [2021-06-05 05:37:47,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-05 05:37:47,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:47,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418963462] [2021-06-05 05:37:47,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418963462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:47,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123986511] [2021-06-05 05:37:47,831 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 175 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 175 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:47,862 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-05 05:37:47,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:37:47,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:47,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:48,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123986511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:48,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:48,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2021-06-05 05:37:48,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660951437] [2021-06-05 05:37:48,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 05:37:48,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:48,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 05:37:48,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1043, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 05:37:48,516 INFO L87 Difference]: Start difference. First operand 100757 states and 255633 transitions. Second operand has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:51,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:51,600 INFO L93 Difference]: Finished difference Result 124940 states and 312736 transitions. [2021-06-05 05:37:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-06-05 05:37:51,600 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:51,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:51,848 INFO L225 Difference]: With dead ends: 124940 [2021-06-05 05:37:51,848 INFO L226 Difference]: Without dead ends: 124888 [2021-06-05 05:37:51,849 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6212 ImplicationChecksByTransitivity, 2402.6ms TimeCoverageRelationStatistics Valid=3970, Invalid=13322, Unknown=0, NotChecked=0, Total=17292 [2021-06-05 05:37:51,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124888 states. [2021-06-05 05:37:54,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124888 to 117482. [2021-06-05 05:37:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117482 states, 117481 states have (on average 2.532120087503511) internal successors, (297476), 117481 states have internal predecessors, (297476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117482 states to 117482 states and 297476 transitions. [2021-06-05 05:37:54,529 INFO L78 Accepts]: Start accepts. Automaton has 117482 states and 297476 transitions. Word has length 44 [2021-06-05 05:37:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:37:54,529 INFO L482 AbstractCegarLoop]: Abstraction has 117482 states and 297476 transitions. [2021-06-05 05:37:54,529 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.1666666666666665) internal successors, (78), 35 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 117482 states and 297476 transitions. [2021-06-05 05:37:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-06-05 05:37:54,587 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:37:54,587 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:37:54,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 175 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17732 [2021-06-05 05:37:54,787 INFO L430 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:37:54,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:37:54,787 INFO L82 PathProgramCache]: Analyzing trace with hash -11640150, now seen corresponding path program 175 times [2021-06-05 05:37:54,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:37:54,787 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140001440] [2021-06-05 05:37:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:37:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:54,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:37:54,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140001440] [2021-06-05 05:37:54,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140001440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:54,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644309904] [2021-06-05 05:37:54,938 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 176 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 176 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:37:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:37:54,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-05 05:37:54,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:37:55,289 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-06-05 05:37:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:37:55,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644309904] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:37:55,616 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 05:37:55,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-05 05:37:55,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889118044] [2021-06-05 05:37:55,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 05:37:55,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 05:37:55,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 05:37:55,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 05:37:55,617 INFO L87 Difference]: Start difference. First operand 117482 states and 297476 transitions. Second operand has 37 states, 37 states have (on average 2.108108108108108) internal successors, (78), 36 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:37:58,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 05:37:58,862 INFO L93 Difference]: Finished difference Result 124691 states and 312700 transitions. [2021-06-05 05:37:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-06-05 05:37:58,865 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.108108108108108) internal successors, (78), 36 states have internal predecessors, (78), 0 states have call successors, (0), 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 44 [2021-06-05 05:37:58,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 05:37:59,113 INFO L225 Difference]: With dead ends: 124691 [2021-06-05 05:37:59,114 INFO L226 Difference]: Without dead ends: 124631 [2021-06-05 05:37:59,115 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7310 ImplicationChecksByTransitivity, 2519.0ms TimeCoverageRelationStatistics Valid=4554, Invalid=15186, Unknown=0, NotChecked=0, Total=19740 [2021-06-05 05:37:59,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124631 states. [2021-06-05 05:38:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124631 to 117691. [2021-06-05 05:38:01,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117691 states, 117690 states have (on average 2.5337921658594613) internal successors, (298202), 117690 states have internal predecessors, (298202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:38:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117691 states to 117691 states and 298202 transitions. [2021-06-05 05:38:01,639 INFO L78 Accepts]: Start accepts. Automaton has 117691 states and 298202 transitions. Word has length 44 [2021-06-05 05:38:01,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 05:38:01,639 INFO L482 AbstractCegarLoop]: Abstraction has 117691 states and 298202 transitions. [2021-06-05 05:38:01,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.108108108108108) internal successors, (78), 36 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 05:38:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand 117691 states and 298202 transitions. [2021-06-05 05:38:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 05:38:01,708 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 05:38:01,708 INFO L521 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 05:38:01,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17733,176 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:38:01,908 INFO L430 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 05:38:01,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 05:38:01,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1337753140, now seen corresponding path program 176 times [2021-06-05 05:38:01,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 05:38:01,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847008000] [2021-06-05 05:38:01,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 05:38:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 05:38:01,969 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 05:38:01,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 05:38:01,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847008000] [2021-06-05 05:38:01,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847008000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 05:38:01,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565425493] [2021-06-05 05:38:01,969 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 177 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 177 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:38:01,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 05:38:01,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 05:38:01,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-05 05:38:01,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 05:38:02,268 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-06-05 05:38:02,268 INFO L354 Elim1Store]: treesize reduction 96, result has 57.3 percent of original size [2021-06-05 05:38:02,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 188 treesize of output 193 [2021-06-05 05:38:02,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 05:38:02,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 05:38:02,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 05:38:02,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:188, output treesize:628 [2021-06-05 05:38:02,721 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-06-05 05:38:12,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2021-06-05 05:39:24,531 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 2935 DAG size of output: 2935 Received shutdown request... [2021-06-05 05:39:25,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17734,177 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 05:39:25,575 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 05:39:25,576 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 05:39:25,578 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 05:39:25,578 INFO L202 PluginConnector]: Adding new model counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 05:39:25 BasicIcfg [2021-06-05 05:39:25,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 05:39:25,578 INFO L168 Benchmark]: Toolchain (without parser) took 816242.77 ms. Allocated memory was 341.8 MB in the beginning and 12.9 GB in the end (delta: 12.5 GB). Free memory was 321.3 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.0 GB. [2021-06-05 05:39:25,578 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 341.8 MB. Free memory is still 322.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 05:39:25,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 341.8 MB. Free memory was 321.2 MB in the beginning and 319.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 05:39:25,578 INFO L168 Benchmark]: Boogie Preprocessor took 11.95 ms. Allocated memory is still 341.8 MB. Free memory was 319.7 MB in the beginning and 318.8 MB in the end (delta: 957.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 05:39:25,578 INFO L168 Benchmark]: RCFGBuilder took 199.66 ms. Allocated memory is still 341.8 MB. Free memory was 318.7 MB in the beginning and 306.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-05 05:39:25,578 INFO L168 Benchmark]: TraceAbstraction took 815998.37 ms. Allocated memory was 341.8 MB in the beginning and 12.9 GB in the end (delta: 12.5 GB). Free memory was 306.0 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.0 GB. [2021-06-05 05:39:25,578 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 0.14 ms. Allocated memory is still 341.8 MB. Free memory is still 322.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 341.8 MB. Free memory was 321.2 MB in the beginning and 319.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.95 ms. Allocated memory is still 341.8 MB. Free memory was 319.7 MB in the beginning and 318.8 MB in the end (delta: 957.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 199.66 ms. Allocated memory is still 341.8 MB. Free memory was 318.7 MB in the beginning and 306.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 815998.37 ms. Allocated memory was 341.8 MB in the beginning and 12.9 GB in the end (delta: 12.5 GB). Free memory was 306.0 MB in the beginning and 7.5 GB in the end (delta: -7.2 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 47 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 47 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was analyzing trace of length 47 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 31 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 815922.4ms, OverallIterations: 181, TraceHistogramMax: 8, EmptinessCheckTime: 2434.9ms, AutomataDifference: 242011.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7998 SDtfs, 57719 SDslu, 76298 SDs, 0 SdLazy, 94115 SolverSat, 14303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45054.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17620 GetRequests, 4573 SyntacticMatches, 23 SemanticMatches, 13024 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485236 ImplicationChecksByTransitivity, 280562.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=117691occurred in iteration=180, InterpolantAutomatonStates: 10498, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 73074.0ms AutomataMinimizationTime, 180 MinimizatonAttempts, 574253 StatesRemovedByMinimization, 180 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 580.8ms SsaConstructionTime, 2185.4ms SatisfiabilityAnalysisTime, 372675.4ms InterpolantComputationTime, 12256 NumberOfCodeBlocks, 12256 NumberOfCodeBlocksAsserted, 937 NumberOfCheckSat, 11901 ConstructedInterpolants, 120 QuantifiedInterpolants, 181639 SizeOfPredicates, 632 NumberOfNonLiveVariables, 17633 ConjunctsInSsa, 3219 ConjunctsInUnsatCore, 355 InterpolantComputations, 5 PerfectInterpolantSequences, 7477/21451 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown